Introduction If you ever have the need to understand the usage of the top command to show how loaded a *nix system is, then the best resource I have found is the following great post by Gary Newell. It contains
Understanding top
Useful Zabbix Operations
Introduction Some helpful Zabbix operations that always take me an age to find so putting here to make my life easier! Putting hosts into maintainence mode https://www.zabbix.com/documentation/2.4/manual/maintenance Restart zabbix agent service zabbix-agent restart
QLogic 12000 CLI Reference Guide
Introduction Just a big long list of CLI commands for easy reference. Note to use ? after the command to get a list of possible options.
Troubleshooting Juniper Netscreen VPNs Down
Introduction If you’ve ever needed to investigate a site to site tunnel which is down at 05:00 in the morning, this might just help you get to the bottom of it a bit faster. Steps to take Access your firewall