Here is a handy and useful Linux and Unix shell script that reduce PDF file size using Ghostscript. No need to upload your PDF file to the shady third-party website. Just do it from the terminal. I tested it with both CentOS and Ubuntu/Debian Linux.
A simple shell script to purge Bitgravity cdn cache using API and curl command line. Tested on RHEL 6.x, Debian 6.x, and Ubuntu Linux.
A simple shell to Wake Up nas devices / home servers using Linux and Unix command line.
A Linux shell script to mount dm-crypt (transparent disk encryption subsystem in Linux kernel) partitions with passphrase.
A simple shell script to rip audio cd and create mp3 file using lame and cdparanoia utilities.
A shell script to build dnstop utility to displays various tables of DNS traffic on your network including bind 9 server stats under RHEL / Fedora / CentOS / Redhat Linux.
A Shell Script To Build vnstat software which is act as a console-based network traffic monitor under CentOS / RHEL / Redhat / Fedora Linux.
A Nginx Shell Script To Block Spamhaus Lasso Drop Spam IP Address. Run this script once a day and drop all spam network IPs with http 403 error. The script will get executed every day via /etc/cron.daily (make sure crond is running).
A sample shell script to add mysql database, username and password. t can also grant remote access on fly while creating the database.