How do I find out that how many files are open and how many allowed in Linux server operating systems?
How do I verify that the system using correct GPG keys to verify all patches, packages and update installed from RHN or repo under RHEL 5 or 6 server operating systems?
ow do I add a user to the Apache group called www-data under Ubuntu or Debian Linux server operating systems using the command line option?
While updating my CentOS / RHEL HP Linux server via yum command it givens an error which read as follows:
There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them
How do I fix this problem under RHEL / CentOS Linux 5.x server operating systems?