More Useful Commands

In my movement to help educate everyone in the web hosting field I’ve posted some more useful commands that I’ve come across. They are all pretty basic, and will come in handy when monitoring a server, or trying to troubleshoot an issue.

w
- Shows who is currently logged in

top
-Lists all of the processes running

kill -9 PID#
-Stops whatever PID# you specify that is running

service httpd restart
-Restarting Apache

service chkservd restart
- Restarts the service monitoring process

Hostname
- Retreives the hostname

rndc reload
- Picks up on new entries (ex, freshly created domain names), that weren’t automatically picked up by Apache

df -Hha
- Checks bandwidth usage

free -m
- Checks memory usage

du -sh
- Checks disk usage

ps auxwf | grep httpd | wc -l
- Counts how many httpd processes are running

ps aux
- Shows all system processes