If you have zombie processes it means those zombies have not been waited for by their parent (look at PPID displayed by ps -l). You have two choices: Fix the parent process (make it wait);Kill the parent; or live with it. Remember that living with...
While issuing any yum command if you are experiencing the following error: # yum -y install wget Loaded plugins: fastestmirror, langpacks Existing lock /var/run/yum.pid: another copy is running as pid 13023. Another app is currently holding the yum...