How To Install Mangohud on Ubuntu 22.04
To install mangohud on Ubuntu, run the command “sudo apt install mangohud -y” in the terminal of Ubuntu because it comes in its default repository
How to install pgAdmin on Ubuntu 22.04
To install pgAdmin on Ubuntu, run the command “sudo apt install pgadmin4 -y” in the terminal to install both web and desktop modes.
How to Fix the “The following packages have unmet dependencies” Error
The error “The following packages have unmet dependencies” is invoked if dependencies are broken, the repository is corrupted, or packages are held back
How to Fix the “Unable to correct problems, you have held broken packages” Error
The “Unable to correct problems, you have held broken packages” occurs when apt repository isn’t updated, has broken dependencies, or the system holds packages.
How to Fix the “sudo: no tty present and no askpass program specified” Error
The “sudo: no tty present and no askpass program specified” issue occurs when the sudo is used but password is not read. It is fixed by the NOPASSWD settings
How to Fix the “mount point does not exist” Error
The “mount point does not exist” issue is when declaring a mount point but the directory does not exist and is fixed by making that directory before mounting.
How to Fix “temporary failure resolving archive.ubuntu.com” Error
The “temporary failure resolving archive.ubuntu.com” issue occurs when the system has internet issues, or the DNS name server is missing.
Python | Convert Dictionary to JSON
The “json.dumps()” function of the json module converts the value of the dictionary into JSON. The value is stored in “keys” and then converted into JSON.
Pandas iterrows() – Iterate over DataFrame Rows
In Python, the pandas “iterrows()” function iterates over the DataFrame rows and performs user-defined operations on them.
How to Write String to Text File in Python
The “write()” function is used to write the string value in the text file. The new string value can be written into a new or existing text file
How to Install Python Pip on Ubuntu 22.04
Python pip can be installed using the”$ sudo apt install python3-pip -y” command on Python3, while in Python2, “$ sudo python2 get-pip.py” command.
How to Install Budgie Desktop Environment on Ubuntu 22.04
To install Budgie Desktop Environment, use the command “sudo apt install ubuntu-budgie-desktop -y”. It is available on the default repository of Ubuntu 22.04.
How to Install Nautilus on Ubuntu 22.04
To install Nautilus on Ubuntu 22.04, use the command “sudo apt install nautilus -y” because it comes in the default repository of Ubuntu.
How to install Docker-CE on Ubuntu 22.04
To install Docker-CE in Ubuntu 22.04, open the terminal and run the command ”sudo apt install docker-ce docker-ce-cli containerd.io -y”.
How to Fix the “python setup.py egg_info failed with error code 1” Error
The “python setup.py egg_info failed with error code 1” issue occurs when the setup tools, ez_setup are not installed or upgraded, including the pip installer.
How to check which shell is in use in Linux
There many methods to check the name of the shell, such as using the process ID or a few echo commands to check the shell in use.
How to Install RPM Packages on Ubuntu 22.04
To install the RPM Packages on Ubuntu 22.04, use the “alien” program with its “-i” option or convert the RPM file into a Debian file and then install it using “dpkg”.
How to install Microsoft ODBC driver for SQL Server
The Microsoft ODBC driver is installed by downloading its key and config file and then installing the driver itself from the apt repository after the update
How to install NoMachine on Ubuntu 22.04
To install NoMAchine, download its Debian package from its official website and install it with the command ”sudo dpkg -i nomachine_8.0.168_2_amd64.deb”.
How to Use grep on All Files in a Directory
To execute the grep command to search through all the files in a directory, you need to navigate to the directory or enter the exact path and use the “*” sign.
Escape Characters in Python | Explained with Examples
In Python, Escape characters such as “single quote”, “double quote”, “newline”, “carriage return”, “tab” etc are used to place characters inside the string.
Python | Convert JSON to Dictionary
In Python, the “json.loads()” function of the JSON module is used to convert the simple and nested JSON data file into the dictionary.
Python List Comprehension Using IF Condition
In Python, “list comprehension using the if-condition” is used to create the list and perform an operation on the existing elements of a list.
How to Create a New User on Ubuntu 22.04?
A new user can be created on Ubuntu 22.04 using the “$ sudo adduser
How to Fix “package docker-ce has no installation candidate” Error
The “package docker ce has no installation candidate” issue occurs when the Docker repository is not added. This error can be fixed by adding a repository.
How to Install Ubuntu 22.04 on VirtualBox
To install Ubuntu 22.04 on Virtualbox, you need to create a virtual machine, and then the ISO file of Ubuntu 22.04 is added to the Virtual Machine.
Install Multimedia Codecs on Ubuntu 22.04 LTS
To get the latest codecs on Ubuntu 22.04, you need to install the multimedia codecs using the “sudo apt install ubuntu-restricted-extras” command.
How to change the password on Ubuntu 22.04
Password can be changed on Ubuntu 22.04 using the Command Line Interface ($ passwd
How to Install Visual Studio Code on Ubuntu 22.04
Visual Studio Code can be installed on Ubuntu 22.04 using the apt package manager “sudo apt install code” or using the “sudo snap install code –classic”.
Python Logical AND Operator | Explained
The logical “and” operator returns the boolean value “True” when both of the operands are “True”. This operator checks multiple conditions at one time.
Memory Error in Python
The causes and solutions of python memory errors are discussed and how python memory error occurs due to the use of 32-Bit python installation.
How to Rectify an Unexpected Indent Error in Python
In Python, an unexpected indent error is rectified by removing the wrong spaces or tabs from the code and following the code block structure.
How to Read a Text File in Python
The “read()” function, “read(n)” with parameter value, and “readline()” function is used to read a text file completely, specifically and line by line.
Mean of Numpy Array | Explained With Examples
The mean of the NumPy array is calculated using the “np.mean()” function. This function can calculate the mean of “1D”,”2D”, and “3D” arrays along with the axis.
TypeCasting in Python | Explained With Examples
In Python, “Typecasting” converts the variable type into another data type by using a pre-defined function such as int(), str() and float(), etc.
How to Fix “failed to load module “canberra-gtk-module”” Error
The “failed to load module “canberra-gtk-module”” issue occurs when the GTK Module is missing and is fixed by installing the GTK Modules.
How to Fix “export not a valid identifier” Error
The error “export not a valid identifier” can be resolved by removing the spaces around “=” or naming the variable correctly.
How to Fix “No Bootable Medium Found” Virtual Box
The “No Bootable Medium Found” issue occurs when the optical disk is empty and is resolved by choosing the iso file of the operating system
How to install VMWare tools if the option is greyed out
To enable the VMware tools option, Remove the “CD/DVD” containing the ISO of guest machine. Now, set the other “CD/DVD” and “Floppy” disk to use physical drive
How to Fix the Error “paths must precede expression: find”
The “paths must precede expression: find” problem occurs due to the wrong syntax of find command and can be resolved by following the correct syntax and pattern.
How to Install dpkg on Ubuntu 22.04
To install the dpkg on Ubuntu 22.04, run the command “sudo apt install dpkg”. You can use the “-i”/“-r” options to install/remove packages using dpkg.
How to install PuTTY on Ubuntu 22.04
PuTTY can be installed on Ubuntu 22.04 by running the command “sudo apt install putty -y”. PuTTY serves as an SSH and Telnet client.
How To Install PulseAudio on Ubuntu 22.04
Run the command “sudo apt install PulseAudio -y” to install the PulseAudio server on Ubuntu 22.04. It is a helpful utility for modifying the original sound.
How to Use the Python If Not Statement?
The “If Not” statement is used to execute the statements of a program when the condition is “False”. The “If Not” statement is used to check any empty iterable.
How to Use And Operator in Python If?
In Python, the “And Operator” along with the “if statement” is used to initialize/compare multiple conditions in a single line of code.
How to read a File Line By Line in Python?
In Python, the “readlines()”,”readline()”, ”for loop”, and “List Comprehension” methods are used to read a file line by line.
How to Generate Random Numbers in Python?
In Python, the random module function “randint()”, “random() method”, “random.sample()” and “for loop with randint()” functions are used to generate random numbers.
For Loop in Python | Explained
In Python, the “for loop” function iterates over the sequence of elements of different iterable objects like tuples, strings, and lists.
How to fix “no module named _tkinter” error
To fix this, the Debian/Ubuntu users can use the command “sudo apt install python3-tk” and Fedore users can utilize “sudo dnf install python3-tkinter” command.
How to Verify if Docker Daemon is Running
To verify if the Docker daemon is running, get the “status” or the “process Id” of the Docker daemon using “systemctl” and “pidof” commands.
What is the “sudo apt update” command?
The “sudo apt update” command is used to update the system repository. Using this command, the number of upgradeable packages is also provided.
Monitor Network Traffic with vnStat on Ubuntu 22.04
The vnStat utility is used to monitor the network traffic on the Linux distributions through the command line without using the details of packets.
How to Install Emacs on Ubuntu 22.04
Emacs can be installed from snapcraft or flathub, but the convenient method is with the execution of “sudo apt install emacs -y” on Ubuntu 22.04.
How to Install glibc on Ubuntu 22.04
Ubuntu 22.04 users can install glibc package by executing the command “sudo apt install glibc-source”. The installation method is described here in detail.
How to Install CMake on Ubuntu 22.04
The most convenient method is by running the command “sudo snap install cmake –classic” on Ubuntu 22.04. However, other methods are also explained.
How to Install Chia on Ubuntu 22.04
The application of the Chia Blockchain can be installed on Ubuntu by downloading its Debian package and installing it using the dpkg manager.
How to Use Ubuntu in a Virtual Machine
A virtual machine is used to run multiple operating systems on a single OS. This post demonstrates the procedure for using Ubuntu on a virtual machine.
How to Get Class Name in Python
In Python, the class name is obtained by different methods like “type().__name__”, and “__class__.__name__” and “nested “__qualname__” method.
Python Relational Operators | Explained
In Python, the relational operator is used to draw a comparison between values. The return type of these operators is a Boolean (true or false).
Python Indentation Explained With Examples
Indentation refers to the “whitespaces” and “tabs” before code lines. In Python, the indentation needs to be used properly for the successful code’s execution.
Python Division Operators | Explained
The division operators divide two input “float” or “integer” data type numbers using “/” and “//” operators. Both operators provide different types of answers.
Python Create Directory | os.mkdir() Method
The “os.mkdir()” method is used to create new directories. The “os module” provides functionality in which the python script can interact with the OS.
How to Use Static Class Variables in Python
Static class variables are used when we want the same variables among all other class instances. The usage of static class variables is described here.
Getting started with Jenkins on Ubuntu 22.04
Add the GPG key and repository of Jenkins on Ubuntu 22.04. After that, use the command “sudo apt install jenkins -y” to install Jenkins on Ubuntu 22.04
How to Install and Configure Redis on Ubuntu 22.04
Redis can be installed using the command “sudo apt install redis-server”. To configure Redis, make the changes in the file named “/etc/redis/redis.conf”.
Install OpenOffice in Ubuntu 22.04
To install OpenOffice on Ubuntu 22.04, install the JDK. Then download and unzip setup file, move to the “en-US/DEBS/” directory, and install the “.deb” package.
Check and Update Ubuntu Kernel Version on Ubuntu 22.04
Ubuntu kernel version can be checked using the “uname -r” and “cat /proc/version” command. To update it, download and install the “.deb” files of Kernel.
Install and Use Telnet on Ubuntu 22.04
To install the telnet in Ubuntu 22.04, run the command “sudo apt install telnet -y” and then use the command “telnet [ip address]” to use telnet.
How to Install Zsh in Ubuntu 22.04
To install Zsh in Ubuntu 22.04, execute the command “sudo apt install zsh -y” and to switch between the shells, use the “exec [shell name]”
How to Install Zlib on Ubuntu 22.04
For the installation of Zlib package, open the terminal and execute the command “sudo apt install zlib1g -y” on Ubuntu 22.04