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== 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.