In some special situations, or not so special, you want to trace user sessions, for example in a critical server or when you find weird behaviors in your system. In a previous entry I explained how to setup a user account just to make SSH tunnels what is preventing from opening shells in your systems … Continue reading Hardening SSH connections on pfSense (part II)
Category: Shell
Commands to sysadmin duties on GNU/Linux
In this quick entry I want to summarize some commands which I have been using for a while when I have the system administrator role and I found them useful. Search by size When you have to release space from a server you can look for bigger files: $ du -hsx * | sort -rh … Continue reading Commands to sysadmin duties on GNU/Linux
