When i ran the below scriptTrevorH wrote:So /lib64/libkrb5.so.3 is shipped by krb5-libs.x86_64 and so is /lib64/libkrb5support.so.0 and yet you say that rpm -V krb5-libs.x86_64 returns no output which means that the files it ships are OK. So the only remaining option that I can think of that something has supplied a copy of libkrb5support.so.0 that isn't in /lib64/ and is being picked up in preference to the CentOS supplied one that is in /lib64/. I've verifed that my copy of /lib64/libkrb5support.so.0 contains the string krb5support_0_MIT so the foreign copy of the lib sounds like the most likely to me. Check in e.g. /usr/local/lib to see if you have a copy there. Failing that I'd try find / -type f -name "libkrb5support.so.0" and sit back and get a cup of coffee while it runs./lib64/libkrb5.so.3: symbol krb5int_labeled_open, version krb5support_0_MIT not defined in file libkrb5support.so.0 with link time reference
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$sudo find / -type f -name "libkrb5support.so.0"
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find: ‘/run/user/1000/gvfs’: Permission denied
/tmp/.pem-agent-f92db4876b/lib/libkrb5support.so.0
/tmp/.pem-agent-d4a8244457/lib/libkrb5support.so.0
/tmp/.pem-agent-92297e3106/lib/libkrb5support.so.0
/tmp/.pem-agent-7a895e3b07/lib/libkrb5support.so.0
/opt/PostgreSQL/9.6/lib/libkrb5support.so.0
/opt/PostgreSQL/9.5/lib/libkrb5support.so.0
/opt/PostgreSQL/EnterpriseDB-xDBReplicationServer/lib/xdb/libkrb5support.so.0
/opt/PostgreSQL/psqlODBC/lib/libkrb5support.so.0
/opt/PEM/agent/lib/libkrb5support.so.0
/opt/pgAgent/lib/libkrb5support.so.0
i found some module like libkrb5.so.3
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$ pwd
/lib
$ ls -la libkrb5*
lrwxrwxrwx. 1 root root 14 Mar 8 11:42 libkrb5.so.3 -> libkrb5.so.3.3
-rwxr-xr-x. 1 root root 876072 Dec 6 22:57 libkrb5.so.3.3
lrwxrwxrwx. 1 root root 21 Mar 8 11:42 libkrb5support.so.0 -> libkrb5support.so.0.1
-rwxr-xr-x. 1 root root 57376 Dec 6 22:57 libkrb5support.so.0.1
When i search for MIT in libkrb5.so.3
below is the result :
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strings /lib/libkrb5.so.3 | grep MIT
krb5_3_MIT
k5crypto_3_MIT
krb5support_0_MIT