There are many privileged commands which you run as non-prev user only to get error or moy desired output. Then you think like sudo and type the same command again.
We can type sudo !! to execute the last command as PRIV user
I am here to share my humble experience in Linux administration. I am mainly into RHEL but i hope these tips could also be used in other *NIX too(some *NIX specific changes may be required). We are running Postfix Based Mail Server as well as Apache Web Server. We are using openLDAP for all sorts of user authentication.I want to discuss general administration as well as daemon specific.