Crucial Exams

CompTIA Server+ SK0-005 Practice Question

After applying routine updates to a CentOS 7 application server, a systems administrator attempts to start a custom service that was compiled to interact with PostgreSQL. The service immediately fails and the journal records:

error while loading shared libraries: libpq.so.5: cannot open shared object file: No such file or directory

Which of the following actions will MOST likely resolve the problem?

  • Run ldconfig to rebuild the shared‐library cache and then restart the service.

  • Install the package that provides libpq.so.5 (postgresql-libs) with the system's package manager.

  • Rebuild the initramfs image and reboot the server to load updated kernel modules.

  • Open TCP port 5432 in the host firewall and reload firewalld.

CompTIA Server+ SK0-005
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