error while loading shared libraries: libnetsnmpagent.so.20: cannot open shared object file: No such file or directory

You’ll see below error while starting mongod instance, while you miss libnetsnmpagent.so.20 library files in your /usr/lib or /usr/lib64 folders.   [ root @ vm-5cc5-bad6 : ~ ] ll -lhtr /usr/lib64/libnetsnmpagent.so.20 lrwxrwxrwx 1 root root 25 Mar  7  2015 /usr/lib64/libnetsnmpagent.so.20…