Tutorials on Linux, Programming & Technology

How to Fix No Sound in Ubuntu

How To Fix No Sound in Ubuntu?

To fix the no sound in Ubuntu issue, open the system’s settings and turn on the over-amplification. Additionally, the alma mixer can be used as well.

Methods to Install Python on Mac

Methods to Install Python on Mac

In the Mac operating system, Python can be installed using the “Homebrew” package installer and the official “Python Installer”.

usermod Command in Linux Explained

usermod Command in Linux | Explained

The “usermod” command is used to change the attributes of the existing user of the system. Moreover, it needs the root user privileges to apply the new changes.

pstree Command in Linux Explained

pstree Command in Linux | Explained

The “pstree” command shows the currently running processes of a system in a tree structure. It offers a variety of options to display the output.

Modprobe Command in Linux Explained

modprobe Command in Linux | Explained

Learn how to use the powerful modprobe command in Linux to manage your kernel modules and improve your system’s performance and security through this article.

lsmod Command in Linux Explained

lsmod Command in Linux | Explained

The “lsmod” command reads the “/proc/modules” files as input and displays the currently loaded kernel modules in an organized format.

How to use Ubuntu online

How to Use Ubuntu online?

To use Ubuntu online, open the web browser and go to onworks.net and follow the instruction of the blog to learn to use Ubuntu online.

history Command in Linux Explained

history Command in Linux | Explained

The “history” command is available in almost all Linux distributions. It provides a list of all the typed and executed commands on the entire system.

gunzip Command in Linux Explained

gunzip Command in Linux | Explained

In Linux, the “gunzip” command line utility is used to unzip the zipped files. The generalized syntax of the “gunzip” command is “$ gunzip [option] [filename]”.

freebsd vs Linux

Freebsd vs Linux

Discover the key differences between FreeBSD and Linux, and find out which one is best for your specific needs and preferences in this article.

Difference between ls - l and ll command in Linux

Difference Between ls -l and ll in Linux?

The “ls -l” command shows the list of all files/directories while the “ll” command displays the information of all the available and hidden files/directories.

Cut Command in Linux Explained

cut command in Linux | Explained

The cut command extracts specific fields or columns from a file or standard input in Linux. Read this article for information regarding this command.

Bash Loops Explained

Bash Loops | Explained

Bash loops are an essential part of any programming language as they will automate repetitive tasks to save time and minimize the lines of code.

bash if else with examples

bash if else With Examples

The bash if-else statement will let you decide certain aspects of code that you want to execute and others that you want to ignore.

How to Install MySQL on Ubuntu 22.04

How to Install MySQL on Ubuntu 22.04?

To install MySQL on Ubuntu 22.04, use the “sudo apt install mysql-server -y” command and configure using the “$ mysql_secure_installation” command.

How to Fix a Big var/log/journal

How to Fix a Big /var/log/journal?

To fix the error /var/log/journal in Linux, reduce the size of the journal file using the vacuum-size, –vacuum-time, and –vacuum-files options with the command.

Fix Too Many Open Files Linux

Fix: Too Many Open Files Linux

To fix the “too many open files” error in Linux, increase the opened files limit for the current session or for permanent.

5 Best Windows Emulators in Linux

5 Best Windows Emulators in Linux

Emulators are used in Linux to run Windows and Windows-based applications. 5 best windows emulators and their installation guides are provided in this post.

KeyError 1 exception in Python

KeyError: 1 exception in Python

To resolve this “KeyError”, we need to check the existence of the key before accessing, set the key before accessing, or use the try-except block.

unlink Command in Linux Explained

unlink Command in Linux | Explained

In Linux, the “unlink” command removes the file and link after accessing the required directory. It is useful to remove unnecessary files from the system.

How to Save a File Using Nano

How to Save a File Using Nano?

The existing file can be saved by pressing the “Ctrl+S” key in Nano Editor. Also, the “Ctrl+O” key overwrites the file with a different name or file format.

How to create bash aliases

How to Create Bash Aliases?

The bash aliases are created by adding the alias into the ~/.bashrc file or creating a separate aliases file and adding its reference to the ~/.bashrc file.

How to Connect Wifi Ubuntu Server

How to Connect Wifi Ubuntu Server?

In Ubuntu, connect the WiFi network through the “nmtui” and “GUI” methods. Both methods require SSID and passwords of a particular internet connection.

Bash concatenate Strings

How to Concatenate Strings in Bash?

To concatenate bash strings, you can use strings together ($Str1$Str2), use curly braces (${Str1}${Str2}), and use the += operator (Str1+=”$Str2”).

How to compare strings in bash

How to Compare Strings in Bash

Comparison operators like the equality (= or ==), the not equality (!=), an empty string (z), and a non-empty string (n) are used to compare strings in bash.

Bash wait command

Bash wait Command | Explained

The wait command in the Linux bash scripts waits for the previous commands to complete execution for a specific PID, for the first PID only, and all the PIDs.

Bash read Command

Bash read Command | Explained

The read command reads the standard input and executes the commands with arguments as a prompt, reads array values, and sets the characters & time limit.

How to grant root privileges in Linux

How to grant root privileges in Linux?

In Linux, the “sudo” command is utilized with “- s”, “su -” and “-i” utilities to grant the root privileges from a normal user after authentication.