Linux
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Which Linux Distribution is Considered the Most Cutting-Edge Distribution?
Linux has a reputation for being extremely conservative, which could be due to the fact that it doesn’t always support…
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Fix: A hard drive can only have one single root directory
A hard drive can only have one single root directory, but Linux doesn’t treat this root directory the same exact…
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Fix: Cannot Connect to the Docker Daemon
You might be very confused if a Linux terminal is throwing a “cannot connect to the Docker daemon” error at…
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Fix: Please enter a commit message to explain why this merge is necessary
Possibly one of the most embarrassing error messages to get stuck in when using the git development hub involves commit…
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Fix: Could not open a connection to your authentication agent
You might get an error that reads “could not open a connection to your authentication agent” when you try and…
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Fix: Unable to Boot ‘Please Use a Kernel Appropriate for your CPU’
Most problems that users have with GNU/Linux are well after they’re booted and trying to work with some software package,…
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Fix: Unable to Correct Problems ‘You have Held Broken Packages’
You might find that when you’re trying to install a package on Linux you find a dreaded line that reads…
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Fix: psql: could not connect to server: No such file or directory
PostgreSQL promotes itself as the most advanced open-source database application platform, and Debian Linux certainly has plenty of packages that…
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Fix: root User’s Home Directory is /root
You might have noticed an error where typing cd or cd ~ takes you to /root instead of something inside…
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How to Find Out What Motherboard You Have in Linux or Ubuntu
Just like with RAM cards and any USB, PCI or PCI Express devices that you might have attached to your…
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How to make a Program Executable from Everywhere in Linux
Most people install programs from the official package manager, so they don’t have to think about where they go in…
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How to Check RAM Slots in Linux
You have two options when it comes to checking which RAM slots are occupied and with what on your machine.…
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How to Reassign Cursor Keys in vi & vim
While some people might take exception to any change to the classic vi Unix cursor keys, you might be a…
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Fix: Lost Desktop Wallpaper in Linux
Each individual Linux distribution stashes desktop wallpaper in a different place. You might want to know where it’s location is…
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How to Format a Drive as exFAT on Linux
If you’re transferring files between computers running Windows and Linux, then you can either format drives with the exFAT or…
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How to Search for Strings in man Pages
You can use the man command to find information about any command that you know the name of. However, you…
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How to View Line Numbers in vi
The vi vs vim debate can be just as heated among some people as the vi vs emacs debate, but…
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How to Fix No Sound in Linux
Sometimes it seems you just can get the sound in Linux to work no matter what you try. You’ll first…
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How to Tell if You’re Using SATA or PATA on Linux
Traditional Parallel ATA disks still exist to some degree alongside SATA drives. You may be used to calling PATA by…
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How to Unregister Wine File Associations in Linux
Whether you use Wine to run critical business applications or just play a bunch of fun games that are only…
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How to Check busybox Version & Installation Information
The busybox binary offers you a ton of different little versions of Unix programs all wrapped up into one big…
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How to Know if You’re Using SSD or HDD Parts in Linux
Gamers running powerful PCs, system administrators taking care of giant servers and people who are working with sealed mobile devices…
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How to Find My External IP Address in Linux
While there are a number of command line solutions for finding your IP address in Linux, most of these are…
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Filesystem Hierarchy Standard Explained
The Filesystem Hierarchy Standard or FHS defines how the directory structure in Linux works, and it’s something that many beginner…
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How to Define a System-wide Compose Key in Linux
Many people define compose keys so that they can type international characters as well as the symbol for the Euro…
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