Troubleshooting Your Linux Server

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Most of the time, things run just fine with a well configured Linux server. Unlike Microsoft systems, those based on UNIX, such as Linux and FreeBSD, have proven to provide better reliability and longer uptimes. The only arguments on this point come from the Microsoft camp and their special interest buddies in the press.

Yet, when things to wrong, as the result of installing software or performing upgrades, it can sometimes be a challenge to find the answers. Provided on this page is a compilation of some issues experienced by our users and their resolution.


sshd issues

ssh disconnects, GLIBC_PRIVATE not defined

ssh disconnects immediately after successful login with the following error: 

relocation error: /lib/libnss_dns.so.2: symbol __res_maybe_init, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference

cause: happened after upgrading to glibc to 2.3.5. resolution: restart the sshd service, the upgrade also affected apache server and it required restart. further services may be affected.



 

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