Unable to restart FirewallD – Found left-over process 1234567 (rmmod)
To restart FirewallD, use this command: service firewalld restart However, if FirewallD refuses to restart, and you check the status using this command: service firewalld
top
How to use Top and filter it by a specific process only
Top is often the first utility a competent Linux sysadmin reaches for when looking at what’s happening on a system. It’s very much the text
How to monitor disk performance iowait on Linux
How to monitor disk performance iowait on Linux Description When your hard disk run slow, your entire system slows down. So it figures the key