Linux
How to Change Boot Order while Dual Booting
By default, Ubuntu will always be the first entry on the boot menu if it’s installed last after another OS. Well, this doesn’t only happen with Ubuntu, but with all the other Operating Systems. The last installed will always appear first in the boot menu. For this guide, we shall…
How to Fix End of Central Directory Signature Not Found
Compressed files are widely used in today’s world. With the files increasing day by day in size, compression is something that more and more people turn to. While trying to unzip a compressed file, users have been experiencing the “End-of-central-directory signature not found” error message. This error message pops up…
How to Fix Ubuntu 20.04 Installer Stuck at Updates
Linux is an operating system that is everywhere, although not so popular among the individual users, its use in the commercial field is massive. There are a substantial amount of Linux distributions but Ubuntu has to be the most popular and widely used. With the new LTS launch, many users…
[FIX] Ubuntu 20.04 LTS Keyboard and Mouse not Working
Ubuntu is the most popular as well as the most widely used Linux distribution. The new LTS release of the distro brings many new features and much faster boot time. If you are an LTS user, upgrading to the new release is an obvious option. However, for some users, that…
Fix: Activation of Network Connection Failed in Linux
Your Linux distribution may fail to activate network connection due to the misconfiguration of your network. Also, incorrect date/time settings of your system may also cause the error under discussion. The affected user encounters the error when he logs in to the system or tries to use the internet. Some…
How to Archive Files Using TAR on Linux
An archive is a special kind of file that can store a myriad of folders and files within it. What makes archives so effective is that the files and folders they contain retain the file-structure they had outside the archive, and this structure remains intact when an archive is un-archived. You…
How to Create Aliases and Shell Functions on Linux?
Knowing the command prompts & shell scripts is still necessary if you want to get the most out of the GNU/Linux system & the more one operates at the command line, the more one will find that the majority of the commands being used are a very small subset of the…
How to Fix ‘Sub-process /usr/bin/dpkg returned an error code (1)’ Error while Uninstalling Google Chrome on Ubuntu?
Chrome is one of the most used internet browsers due to its fast speeds and easy to use interface. It is available for almost all operating systems and is used by more than a billion people. However, quite recently, a lot of users have been complaining about having issues while…
How to Undo the ‘init’ command on Git?
Git is a system which is used for tracking changes in the source code during application development. It is a form of version control in which the codebase for the application is mirrored on every developer’s computer. It allows the developers to coordinate the work amongst themselves and improves the…
How to Find Large Files on Linux?
Linux’s Family of operating systems is a group of open-source operating systems that are based on the Linux kernel that was developed and released in 1991. Linux is one of the most popular operating systems among software developers and professional users. In this article, we will discuss some methods that…
How to Fix ‘Failed to Connect to lvmetad’ Error on Ubuntu?
Ubuntu is a free and open-source Linux based operating system used mostly for cloud computing with OpenStack support. Updates are released every 6 months that come with extended features and performance enhancements. However, quite recently, a lot of reports have been coming in where users are unable to boot into…
How to Fix ‘Command Not Found’ Error on Virtualenv?
Virtualenv is used to create isolated python environments. The tool creates a folder that consists of the necessary executables that would need to be launched during a python project. The tool is necessarily used to create a virtual environment for python projects. However, quite recently, a lot of reports have…
How to Fix ‘gedit’ Error on Windows Subsystem for Linux?
Windows Subsystem for Linux (WSL) is a compatibility layer used to run binary executables that are native to Linux on Windows 10 or Windows Server 2009. It is available only on the 64-bit architecture of the Windows 10 1603 version and later. Also, it provides support for the Windows Server…
What are SH Files and How to Execute Them?
Script files contain commands that are executed by a certain program or scripting engine. These commands are executed without being compiled. Instructions are written in scripting languages for run time environment. There are many scripting languages with different purposes and environments. However, the one we are going to discuss in…
How to Handle Passing Filenames with Spaces in Bash
Linux has a default shell Bash (aka Bourne again shell) to execute commands for the system. Most programmers prefer bash over cmd because of the flexibility and powerful command line interpreter that bash provides. However, most users will still have issues while trying to handle passing filenames with spaces in…
How to Fix ‘Add-apt-repository’ Command not Found
Some folks using Debian, Ubuntu or Ubuntu-based distributions like Linux Mint get the error ‘add-apt-repository not found’ while trying to add a PPA (Personal Package Archive) or another repository link to their apt sources. This error is usually caused by not having the “add-repository” package installed on their systems. Now,…
Fix: Systemctl Command not Found
Systemctl is a Systemd utility for controlling services and processes on Linux distributions. By using the systemctl command, you can easily start and stop services through Terminal. However, several users are getting “systemctl: command not found” error when they try to run systemctl command. This issue can mostly occur on…
How to fix Git Error ‘Your local changes to the following files will be overwritten by merge’
The error message “Your local changes to the following files will be overwritten by merge” occurs in Git version control mechanism. This error occurs if you have modified a file which also has modifications in the remote repository. This error message is avoided IF there are no uncommitted files that…
How to Use Windows VSTs in latest REAPER 5.93 Linux-Native builds
As REAPER v5.93 introduced Linux-native builds to the popular digital audio workstation, many users are wondering how they can use their favorite Windows-based VST plug-ins in the Linux builds. Fear not, Appuals has the solution. REAPER has no native bridge to run Windows VSTs on Linux, but there are a…
Fix: Pseudo-terminal will not be allocated because stdin is not a terminal
In most cases, you’ll receive a confusing “pseudo-terminal will not be allocated because stdin is not a terminal” error only when you’re running some sort of SSH command from a script. If you’re running the same command from the command line, then it might work perfectly fine. Before going any…
Fix: unable to mount root fs on an unknown block
Since the arrival of an unable to mount root fs on an unknown block error portends you being unable to boot your GNU/Linux installation, it can be a rather concerning error to get. You’ll most often see it after an update has gone wrong or some other kind of system…
Fix: is not in the sudoers file. This incident will be reported.
Perhaps one of the scarier Unix and Linux warning messages for newcomers comes in the form of “____ is not in the sudoers file. This incident will be reported.” In the case of an actual error message, the underscores would be replaced with your username, which makes it sound like…
Fix: Unable to lock the administration directory
Newcomers to GNU/Linux often run into some trouble when a command needs to be executed with root superuser privileges. Sometimes these commands will throw out “unable to lock the administration directory” error messages, especially when attempting to install updates or new applications from the command line. This error message is…
Fix: Error occurred during initialization of VM could not reserve enough space for object heap
Even though Java applets aren’t a popular web technology these days, there are countless reasons to deploy a Java virtual machine directly on a Linux server. If you try to run the Linux java command outright either on discrete hardware or inside of its own VM, then you might get…
Fix: server certificate does NOT include an ID which matches the server name
When attempting to configure SSL on a server designed to run Apache or potentially another similar web hosting technology, you might end up getting an error that tells you that the server certificate does NOT include an ID which matches the server name. This is technically just a warning and…