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.
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.
To resolve the “No module named yaml” error, use the “pip” command in Windows and the “pip” or “apt” command in Linux to install the “yaml” module.
To rectify the “ModuleNotFoundError: No module named selenium” error in Python, you can use the “pip” command and “apt” command.
To rectify the “ModuleNotFoundError: No module named psycopg2” error in Python, you can use the “pip” command and “apt” command.
To rectify the “ModuleNotFoundError: No module named mysql” error in Python, you can use the “pip” command and “apt” command.
To rectify the “ModuleNotFoundError: No module named flask” error in Python, you can use the “pip” command and “apt” command.
To rectify the “ModuleNotFoundError: No module named click” error in Python, you can use the “pip” command and “apt” command.
To rectify the “ModuleNotFoundError: No module named ‘bs4’” error in Python, you can use the “pip” command and “apt” command.
To resolve the “no module named boto3” error, we need to install the “boto3” module using the “pip” command in Windows and Linux.
In the Mac operating system, Python can be installed using the “Homebrew” package installer and the official “Python Installer”.
To resolve the “module time has no attribute clock” error in Python, the “time.perf_counter()” or “time.process_time()” functions are used.
To fix this “SyntaxError”, you need to use the “CMD” or ”PowerShell” terminal to install any module using the “pip” package manager.
The “TypeError: write() argument must be str, not bytes” in Python can be resolved by opening the file in “wb” mode or using the decoding approach.
The “TypeError: unsupported operand type(s) for +:int and list” occurs when a user uses the addition operator “+” to add integers and list.
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.
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.
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.
The “lsmod” command reads the “/proc/modules” files as input and displays the currently loaded kernel modules in an organized format.
In Linux, the “ls” output can be sorted in ascending or descending order by using the combination of “-ltr” and “lt” options.
In Linux, the “find” and “tree” commands are used to search files recursively in subdirectories along with different file formats and sizes.
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.
The “sudo” command can be run without a password by modifying the “sudoers” file script with “
To list down the services using the systemctl command utility on linux, run the command “ systemctl list-units –type=service –all”.
To install Podman Compose, run the command “sudo apt install podman” in Ubuntu after downloading prerequisite files, which are explained in the blog.
Install 7zip on Ubuntu 22.04 using the command ”sudo apt install p7zip-full p7zip-rar -y” or “sudo snap install p7zip-desktop”. It can be used via GUI/CLI.
The MySQL user’s password can be changed using the UPDATE and ALTER commands. To do so, the users must be logged in as root.
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.
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]”.
Discover the key differences between FreeBSD and Linux, and find out which one is best for your specific needs and preferences in this article.
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.
The error “windows subsystem for linux has no installed distributions” can be resolved through the “wsl –install –d Ubuntu” command.
The update-grub command not found error can be resolved by running the “grub-mkconfig” command or adding the grub-mkconfig $Path to the grub default file.
To fix “psql Peer authentication failed for user”, either you have to log in with the “Postgres” user or change the default rule from “peer” to “md5”.
The “cannot open output file permission denied” can be resolved by “accessing the Directory Permissions”.The permissions are changed using the “chmod” command.
To fix “bash: syntax error near unexpected token ‘(’” error while bash scripting, use the backlash or the single/double quotes.
The cut command extracts specific fields or columns from a file or standard input in Linux. Read this article for information regarding this command.
Bash loops are an essential part of any programming language as they will automate repetitive tasks to save time and minimize the lines of code.
The bash if-else statement will let you decide certain aspects of code that you want to execute and others that you want to ignore.
Latest version of PHP can be installed using the “$ sudo apt install php8.2” and “$ sudo apt install php8.2-cli” commands.
To install MySQL on Ubuntu 22.04, use the “sudo apt install mysql-server -y” command and configure using the “$ mysql_secure_installation” command.
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.
In Linux, to move a file to another directory, the “mv” command is used, or choose the “Move to…” option after selecting the file from GUI as discussed.
To find the process id, use the commands “pidof”, “pgrep”, “pstree”, or “ps aux”. And to kill it, use the “killall
To fix the “too many open files” error in Linux, increase the opened files limit for the current session or for permanent.
To install Terraform on Ubuntu, run the command “sudo apt install terraform -y” in a terminal after adding its key and repository.
To install the RabbitMQ server in Ubuntu, open the terminal and download the Debian package of RabbitMQ, then install it using the dpkg manager.
IDLE for Python is a simple, easy-to-use program that allows users to write and run Python code. It is ideal for beginners due to its interactive features.
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.
To fix this “ValueError” in Python, we can use default parameters and None value as the default parameter or use the try-except block, etc.
To resolve this error, various solutions are used in Python, such as accessing string values using integers, using the correct syntax for string slicing, etc.
To resolve this “cannot unpack non-iterable int object” error, solutions such as using a tuple or list and checking value before unpacking is used in Python.
The “NoneType object is not iterable” error occurs when a user tries to iterate the “None” or tries to iterate on the function that returns the “None” value.
The “NoneType object is not callable” error occurs when a user tries to call a “None” variable as a Function or uses the same name for a function and variable.
In Python, the “SyntaxError” in an if statement arises when the user forgets to add a colon, incorrect indentation, or uses a single sign while comparing.
The “SyntaxError: break outside loop” occurs when a user tries to use the “break” statement outside the loop and within the “if” statement 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.
The “len()” function, user-defined function, and “for” loop is used to count the number of keys in the Python dictionary.
To fix this error, various solutions are used, such as using the addition operator “+”, using the format() function, and calling append() function on the list.
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.
The sleep command adds the delay time in the bash script, which runs after specific time intervals such as seconds (s), minutes (m), hours (h), and days (d).
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.
In Linux, three different operators, +, ++, and += are used to increment, and -, –, and -= are utilized to decrement a variable using the bash script.
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.
In Ubuntu, connect the WiFi network through the “nmtui” and “GUI” methods. Both methods require SSID and passwords of a particular internet connection.
To concatenate bash strings, you can use strings together ($Str1$Str2), use curly braces (${Str1}${Str2}), and use the += operator (Str1+=”$Str2”).
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.
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.
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.
In Linux and its distribution, the “activation of network connection failed” can be resolved by “Activate the Network” & “Set the correct Date & Time” via GUI.
In Linux, the “sudo” command is utilized with “- s”, “su -” and “-i” utilities to grant the root privileges from a normal user after authentication.