Simple Sysadmin Trick: Using tcpdump To Sniff Web Server Traffic
Sometimes, you just have to look into the raw data to see what your web server is doing. The logs might not show you enough detail or you suspect something is going on
bash
Adding Random Quotes to the Bash Login Screen
According to “official” system administrator rules and guidelines you shouldn’t be adding so-called vain scripts to the login prompt – only utilities that will add something useful to the
Another Bash One Liner To Delete Old Directories
We received a tip from blog readers Christian and Michael for alternatives to the command to delete all directories older than a certain period of time. These both work in bash and can
One Line Linux Command to Print Out Directory Tree Listing
My professor sent us this little one liner (ok, I had to format it to 2 lines to fit in this blog. You know what I mean) which prints out the current directory
One Line Batch Rename Files Using CSV Input File and awk
The Bash command environment, which is the namesake of this blog, is very flexible in that it allows you to manipulate the filesystem in many ways. Awk and sed are very powerful tools