Error Messages Running Yum on RedHat 7.3

I’ve been using Ubuntu Server for a while now, on various Microsoft Azure or Amazon Web Services (AWS) EC2 instances, and the experience has been pretty awesome. I recently spun up a RedHat Enterprise Linux (RHEL) 7.3 instance on AWS EC2. RedHat 7.3 was just released about a week ago …

Continue reading

Digital Ocean Droplet – Linux VPS Review

I’ve been using the Digital Ocean Virtual Private Server (VPS) host on and off for a few months now, and I must say, they are incredibly easy to use! First of all, their web UI is simple, easy to use, and dare I say, enjoyable to use. They have one, and …

Continue reading

Find and Remove Package on Ubuntu Linux

I recently installed a couple packages that I didn’t need any longer on an Ubuntu Linux system. Most likely, you’ve installed packages using apt install or apt-get install. However, neither of these commands offer a command that lists out the packages that you’ve installed. To list out the installed packages, …

Continue reading

Select Unique Lines in Bash on Linux

If you have a file with repeated lines, and you want to remove duplicate lines, you can use the uniq command. The description of this utility, from its man page is simply: “report or omit repeated lines.” Consider the following example: trevor@MyUbuntuVM:~$ echo “this is is great” | uniq The output …

Continue reading