[rancid] Installation issues

[d***@netscape.net]

I am trying to install Rancid onto a Ubuntu 7.10 client system. I guess my first question is, is this system supported??

If yes then I cannot understand why I am getting the following error. I followed the installation instructions listed at this URL http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_:_Ch1_:_Network_Backups_With_Rancid

Everything went well until I got to the step?
./configure --prefix=/usr/local/rancid/
I then get this error and cannot go forward
-------------------------------------------------------------------------------------------------------------
***@laptop:/usr/local/rancid/tar/rancid-2.3.2a2# ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes

checking for gmake... no
checking for make... /usr/bin/make
checking whether /usr/bin/make sets $(MAKE)... yes
checking for gcc... gcc
checking for C compiler default output file name... configure: error: C compiler cannot create executables

See `config.log' for more details.
---------------------------------------------------------------------------------------------------------------

I have attached the config.log file. When I look through it it does not present any clues to the issue.

Please help
Thanks



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[Joachim Jerberg Jensen]

Hi,

I have problems with doing clogin into extreme X450 switches doing TACACS authentication. ExtremeXOS version 11.6.3.5

When I login it get following:

[***@ns1 ~]$ clogin 10.2.0.31
10.2.0.31
spawn telnet 10.2.0.31
Trying 10.2.0.31...
Connected to 10.2.0.31
Escape character is '^]'.

telnet session telnet0 on /dev/ptyb0

login: rancid
password:

Login incorrect
login: mypassword
password:

Login incorrect
login: mypassword
password:

Login incorrect
Maximum number of login attempts reached!
Connection closed by foreign host.

My .cloginrc file:

##############
add autoenable * {1}
add user * {rancid}
add password * {mypassword}

#add userprompt * {"login:"}
#add passprompt * {"password:"}
##############

It seems like it doesn't apply the password after the login, but applies the password as username instead..
I have tried rancid-2.3.1 and rancid-2.3.2a7, same problem...

I can login manually with login and password with no problem.

Anyone have a hint?

Best regards
Joachim Jerberg Jensen

[Joachim Jerberg Jensen]

Hey,

With a hint from a friend on the list, I made it work.
Jlogin works like a charm :)

/Joachim Jerberg Jensen


-----Original Message-----
From: rancid-discuss-***@shrubbery.net [mailto:rancid-discuss-***@shrubbery.net] On Behalf Of Joachim Jerberg Jensen
Sent: Friday, November 09, 2007 10:47 AM
To: rancid-***@shrubbery.net
Subject: [rancid] clogin on extreme X450

Hi,

I have problems with doing clogin into extreme X450 switches doing TACACS authentication. ExtremeXOS version 11.6.3.5

When I login it get following:

[***@ns1 ~]$ clogin 10.2.0.31
10.2.0.31
spawn telnet 10.2.0.31
Trying 10.2.0.31...
Connected to 10.2.0.31
Escape character is '^]'.

telnet session telnet0 on /dev/ptyb0

login: rancid
password:

Login incorrect
login: mypassword
password:

Login incorrect
login: mypassword
password:

Login incorrect
Maximum number of login attempts reached!
Connection closed by foreign host.

My .cloginrc file:

##############
add autoenable * {1}
add user * {rancid}
add password * {mypassword}

#add userprompt * {"login:"}
#add passprompt * {"password:"}
##############

It seems like it doesn't apply the password after the login, but applies the password as username instead..
I have tried rancid-2.3.1 and rancid-2.3.2a7, same problem...

I can login manually with login and password with no problem.

Anyone have a hint?

Best regards
Joachim Jerberg Jensen

[john heasley]

I do not see why clogin would not have worked, unless you have a rogue
userpassword else where in your cloginrc. you can add "exp_internal 1"
just before the main loop to see what it is doing.

Post by Joachim Jerberg Jensen
Hey,
With a hint from a friend on the list, I made it work.
Jlogin works like a charm :)
/Joachim Jerberg Jensen
-----Original Message-----
Sent: Friday, November 09, 2007 10:47 AM
Subject: [rancid] clogin on extreme X450
Hi,
I have problems with doing clogin into extreme X450 switches doing TACACS authentication. ExtremeXOS version 11.6.3.5
10.2.0.31
spawn telnet 10.2.0.31
Trying 10.2.0.31...
Connected to 10.2.0.31
Escape character is '^]'.
telnet session telnet0 on /dev/ptyb0
login: rancid
Login incorrect
login: mypassword
Login incorrect
login: mypassword
Login incorrect
Maximum number of login attempts reached!
Connection closed by foreign host.
##############
add autoenable * {1}
add user * {rancid}
add password * {mypassword}
#add userprompt * {"login:"}
#add passprompt * {"password:"}
##############
It seems like it doesn't apply the password after the login, but applies the password as username instead..
I have tried rancid-2.3.1 and rancid-2.3.2a7, same problem...
I can login manually with login and password with no problem.
Anyone have a hint?
Best regards
Joachim Jerberg Jensen
_______________________________________________
Rancid-discuss mailing list
http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss
_______________________________________________
Rancid-discuss mailing list
http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss

[Joachim Jerberg Jensen]

Post by john heasley
I do not see why clogin would not have worked, unless you have a rogue
userpassword else where in your cloginrc. you can add "exp_internal 1"
just before the main loop to see what it is doing.

You are absolutely right.. So I started the expect script in debug mode..
And it seems like it does not match the first "login:" prompt, even though the regexp. should match.!?

3. time it tries to login, it matches, if I add a "sleep 1" timer just before.

I also had to change the xrancid script, because the $found_end never becomes set.

if (/^# Module vrrp configuration./i) {
printf STDERR " End WriteTerm: $_" if ($debug);
$found_end = 1;
return(0);
}

Fortunately I don't use vrrp :-)

Br
Joachim Jerberg Jensen

This is the debug output:

[***@ns1 bin]$ cat scriptfile.txt
Script started on Fri 09 Nov 2007 02:19:30 PM CET
[***@ns1 bin]$ clogin 10.2.0.31
expect version 5.43.0
argv[0] = /usr/bin/expect argv[1] = -d argv[2] = /home/rancid/rancid/bin/clogin argv[3] = 10.2.0.31
set argc 1
set argv0 "/home/rancid/rancid/bin/clogin"
set argv "10.2.0.31"
executing commands from command file /home/rancid/rancid/bin/clogin
10.2.0.31
spawn telnet 10.2.0.31 23
parent: waiting for sync byte
parent: telling child to go ahead
parent: now unsynchronized from child
spawn: returns {17811}

expect: does "" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does "" (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does "" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
Trying 10.2.0.31...
Connected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).
Escape character is '^]'.

expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n" (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no

telnet session telnet0 on /dev/ptyb0

login:
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin: " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect

expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
login: r
expect: does " \r\u001b[Klogin: r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " \r\u001b[Klogin: r" (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " \r\u001b[Klogin: r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " \r\u001b[Klogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect

expect: does " r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " r" (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
ancid
password:
expect: does " rancid\r\n\rpassword: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " rancid\r\n\rpassword: " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " rancid\r\n\rpassword: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? yes
expect: set expect_out(0,string) "password:"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " rancid\r\n\rpassword:"
send: sending "MYPASSWORD\r" to { exp6 }
expect: continuing expect

expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no


Login incorrect
login: MYPASSWORD

expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: MYPASSWORD\r\n\r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " \r\n\r\r\n\rLogin incorrect\r\nlogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect

expect: does " MYPASSWORD\r\n\r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
password:
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? yes
expect: set expect_out(0,string) "password:"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " MYPASSWORD\r\n\rpassword:"
send: sending "MYPASSWORD\r" to { exp6 }
expect: continuing expect

expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no


Login incorrect
login:
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " \r\n\r\r\n\rLogin incorrect\r\nlogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect

expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"@[^\r\n]+ password:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
MYPASSWORD
password:
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no

expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "unknown host\r"? no

expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"?

Post by john heasley
Hey,
With a hint from a friend on the list, I made it work.
Jlogin works like a charm :)
/Joachim Jerberg Jensen
-----Original Message-----
Sent: Friday, November 09, 2007 10:47 AM
Subject: [rancid] clogin on extreme X450
Hi,
I have problems with doing clogin into extreme X450 switches doing TACACS authentication. ExtremeXOS version 11.6.3.5
10.2.0.31
spawn telnet 10.2.0.31
Trying 10.2.0.31...
Connected to 10.2.0.31
Escape character is '^]'.
telnet session telnet0 on /dev/ptyb0
login: rancid
Login incorrect
login: mypassword
Login incorrect
login: mypassword
Login incorrect
Maximum number of login attempts reached!
Connection closed by foreign host.
##############
add autoenable * {1}
add user * {rancid}
add password * {mypassword}
#add userprompt * {"login:"}
#add passprompt * {"password:"}
##############
It seems like it doesn't apply the password after the login, but applies the password as username instead..
I have tried rancid-2.3.1 and rancid-2.3.2a7, same problem...
I can login manually with login and password with no problem.
Anyone have a hint?
Best regards
Joachim Jerberg Jensen
_______________________________________________
Rancid-discuss mailing list
http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss
_______________________________________________
Rancid-discuss mailing list
http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss

[john heasley]

Post by Joachim Jerberg Jensen

Post by john heasley
I do not see why clogin would not have worked, unless you have a rogue
userpassword else where in your cloginrc. you can add "exp_internal 1"
just before the main loop to see what it is doing.

You are absolutely right.. So I started the expect script in debug mode..
And it seems like it does not match the first "login:" prompt, even though the regexp. should match.!?
3. time it tries to login, it matches, if I add a "sleep 1" timer just before.

I see the problem. It prompts for the username, the username is sent, THEN
it sends the vt code to clear the line, re-prints the username prompt [and
echos part of the username], the username is sent again (since it sent the
prompt again), then it echos the rest of the username and prompts for the
password....but too late.

ie: when the username is sent a second time, the switch consumes it as
the password...hrm, how to hack this? one way would be to change the
login prompt regex to "$u_prompt[^a-zA-Z0-9]" and the default u_prompt to
"(Username|Login|login|user name): ?", which assumes that usernames begin
with those characters and still is not fool proof since it relies upon
timing/luck. Another way would be to test for (without consuming) more
data from the telnet after matching the login. I'm not sure how to do
that in expect...and it too is reliant upon timing/luck. Blech!

I hate these extremes. you should open a customer support ticket about
what a PITA it is to automate configuration on their switches....or stick
a knife in their trachea.

Post by Joachim Jerberg Jensen
I also had to change the xrancid script, because the $found_end never becomes set.

damn it. is there any reliable end-of-config marker on these crappy-CLI
switches? It used to be that all those comments were in the config,
regardless of whether the subsystem was in use.

Post by Joachim Jerberg Jensen
if (/^# Module vrrp configuration./i) {
printf STDERR " End WriteTerm: $_" if ($debug);
$found_end = 1;
return(0);
}
Fortunately I don't use vrrp :-)
Br
Joachim Jerberg Jensen
Script started on Fri 09 Nov 2007 02:19:30 PM CET
expect version 5.43.0
argv[0] = /usr/bin/expect argv[1] = -d argv[2] = /home/rancid/rancid/bin/clogin argv[3] = 10.2.0.31
set argc 1
set argv0 "/home/rancid/rancid/bin/clogin"
set argv "10.2.0.31"
executing commands from command file /home/rancid/rancid/bin/clogin
10.2.0.31
spawn telnet 10.2.0.31 23
parent: waiting for sync byte
parent: telling child to go ahead
parent: now unsynchronized from child
spawn: returns {17811}
expect: does "" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does "" (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does "" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
Trying 10.2.0.31...
Connected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).
Escape character is '^]'.
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n" (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
telnet session telnet0 on /dev/ptyb0
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin: " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) "Trying 10.2.0.31...\r\r\nConnected to BRY_X450_01.MYNETWORK.ftth (10.2.0.31).\r\r\nEscape character is '^]'.\r\r\n\r\ntelnet session telnet0 on /dev/ptyb0\r\n\r\nlogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect
expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
login: r
expect: does " \r\u001b[Klogin: r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " \r\u001b[Klogin: r" (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " \r\u001b[Klogin: r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " \r\u001b[Klogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect
expect: does " r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " r" (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
ancid
expect: does " rancid\r\n\rpassword: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " rancid\r\n\rpassword: " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " rancid\r\n\rpassword: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? yes
expect: set expect_out(0,string) "password:"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " rancid\r\n\rpassword:"
send: sending "MYPASSWORD\r" to { exp6 }
expect: continuing expect
expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
Login incorrect
login: MYPASSWORD
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: MYPASSWORD\r\n\r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " \r\n\r\r\n\rLogin incorrect\r\nlogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect
expect: does " MYPASSWORD\r\n\r" (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " MYPASSWORD\r\n\r" (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? yes
expect: set expect_out(0,string) "password:"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " MYPASSWORD\r\n\rpassword:"
send: sending "MYPASSWORD\r" to { exp6 }
expect: continuing expect
expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
Login incorrect
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " \r\n\r\r\n\rLogin incorrect\r\nlogin: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? yes
expect: set expect_out(0,string) "login:"
expect: set expect_out(1,string) "login"
expect: set expect_out(spawn_id) "exp6"
expect: set expect_out(buffer) " \r\n\r\r\n\rLogin incorrect\r\nlogin:"
send: sending "rancid\r" to { exp6 }
expect: continuing expect
expect: does " " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"? no
"Login failed"? no
"% (Bad passwords|Authentication failed)"? no
"Press any key to continue."? no
"Enter Selection: "? no
"Last login:"? no
"(Username|Login|login|user name):"? no
"password:"? no
"(#| \(enable\))"? no
"Login invalid"? no
MYPASSWORD
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match regular expression "(Connection refused|Secure connection [^\n\r]+ refused)"? no
"(Connection closed by|Connection to [^\n\r]+ closed)"? no
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "unknown host\r"? no
expect: does " MYPASSWORD\r\n\rpassword: " (spawn_id exp6) match glob pattern "Host is unreachable"? no
"No address associated with name"? no
"(Host key not found |The authenticity of host .* be established).*(yes/no)?"? no
"HOST IDENTIFICATION HAS CHANGED.* (yes/no)?"? no
"Offending key for .* (yes/no)?"? no
"(denied|Sorry)"?

Post by john heasley
Hey,
With a hint from a friend on the list, I made it work.
Jlogin works like a charm :)
/Joachim Jerberg Jensen
-----Original Message-----
Sent: Friday, November 09, 2007 10:47 AM
Subject: [rancid] clogin on extreme X450
Hi,
I have problems with doing clogin into extreme X450 switches doing TACACS authentication. ExtremeXOS version 11.6.3.5
10.2.0.31
spawn telnet 10.2.0.31
Trying 10.2.0.31...
Connected to 10.2.0.31
Escape character is '^]'.
telnet session telnet0 on /dev/ptyb0
login: rancid
Login incorrect
login: mypassword
Login incorrect
login: mypassword
Login incorrect
Maximum number of login attempts reached!
Connection closed by foreign host.
##############
add autoenable * {1}
add user * {rancid}
add password * {mypassword}
#add userprompt * {"login:"}
#add passprompt * {"password:"}
##############
It seems like it doesn't apply the password after the login, but applies the password as username instead..
I have tried rancid-2.3.1 and rancid-2.3.2a7, same problem...
I can login manually with login and password with no problem.
Anyone have a hint?
Best regards
Joachim Jerberg Jensen
_______________________________________________
Rancid-discuss mailing list
http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss
_______________________________________________
Rancid-discuss mailing list
http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss

[Joachim Jerberg Jensen]

Post by john heasley

Post by Joachim Jerberg Jensen

Post by john heasley
I do not see why clogin would not have worked, unless you have a rogue
userpassword else where in your cloginrc. you can add "exp_internal 1"
just before the main loop to see what it is doing.

You are absolutely right.. So I started the expect script in debug mode..
And it seems like it does not match the first "login:" prompt, even though the regexp. should match.!?
3. time it tries to login, it matches, if I add a "sleep 1" timer just before.

I see the problem. It prompts for the username, the username is sent, THEN
it sends the vt code to clear the line, re-prints the username prompt [and
echos part of the username], the username is sent again (since it sent the
prompt again), then it echos the rest of the username and prompts for the
password....but too late.

Aaaah yes.. I get it.

Post by john heasley
ie: when the username is sent a second time, the switch consumes it as
the password...hrm, how to hack this? one way would be to change the
login prompt regex to "$u_prompt[^a-zA-Z0-9]" and the default u_prompt to
"(Username|Login|login|user name): ?", which assumes that usernames begin
with those characters and still is not fool proof since it relies upon
timing/luck.

That could be a way. I will try it out.
Thanx for the hint!

Post by john heasley
Another way would be to test for (without consuming) more
data from the telnet after matching the login. I'm not sure how to do
that in expect...and it too is reliant upon timing/luck. Blech!
I hate these extremes. you should open a customer support ticket about
what a PITA it is to automate configuration on their switches....or stick
a knife in their trachea.

I realy do hate them as well.. But fortunately we are phasing them out within a reasonable time :)
So I don't think I will make a call, but just live with the "hacks" I had to make for so long.
Even that clogin only works with username logins, as I have to manually set the "uprompt_seen 1" as well..

Post by john heasley

Post by Joachim Jerberg Jensen
I also had to change the xrancid script, because the $found_end never becomes set.

damn it. is there any reliable end-of-config marker on these crappy-CLI
switches? It used to be that all those comments were in the config,
regardless of whether the subsystem was in use.

Nope there is no "end-of-config" markers to match at all.
But the VRRP configuration is the last line of the generic configuration always printed out, so I am just matching on that.

Best regards

Joachim Jerberg Jensen

Post by john heasley

Post by Joachim Jerberg Jensen
if (/^# Module vrrp configuration./i) {
printf STDERR " End WriteTerm: $_" if ($debug);
$found_end = 1;
return(0);
}
Fortunately I don't use vrrp :-)
Br
Joachim Jerberg Jensen

[Gregory W Zill]

"sudo apt-get install g++"

Post by d***@netscape.net
I am trying to install Rancid onto a Ubuntu 7.10 client system. I
guess my first question is, is this system supported??
checking for gcc... gcc
C compiler cannot create executables