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 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”.
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
How to Install Anaconda in Ubuntu 22.04
Anaconda can be installed in Ubuntu 22.04 through CLI (bash anaconda.sh). The bash script is downloaded from Anaconda’s official website.
How to Install catch2 on Ubuntu 22.04
To install “catch2” on Ubuntu 22.04, update the packages list and run the command “sudo apt install catch2 -y” in the terminal.
Install Minecraft on Ubuntu 22.04 LTS
On Ubuntu 22.04, Minecraft can be installed using the command “sudo snap install mc-installer” and using the “.deb” package.
How to Install μTorrent on Ubuntu 22.04
To install uTorrent on Ubuntu 22.04, use the command “sudo snap install utorrent”. μTorrent utility is used to download movies, games, software, etc
How to Install WhatsApp on Ubuntu 22.04
Use the “sudo snap install whatsapp-for-linux” command to install WhatsApp on Ubuntu 22.04. One can also install WhatsApp using the Flatpak utility.
How to Install VLC Media Player on Ubuntu 22.04
VLC media player can be installed on Ubuntu 22.04 using the “sudo apt install vlc” command and Graphical User Interface (Ubuntu software store)
How to Install AnyDesk in Ubuntu 22.04
To install AnyDesk on Ubuntu, run the command “flatpak install flathub com.anydesk.Anydesk“ after installing the flatpak utility.
How to Install Vue.js on Ubuntu 22.04
Vue.js can be installed on Ubuntu 22.04 using the command “npm install vue@next -y”. Its User Interface can be obtained using the “vue ui” command
Python Dictionary Get() Method | Explained
In Python, Dictionary “get() method” is used to access the value of the key. In the dictionary, every value is stored in the form “key-value” pair.
How to Reverse a Number in Python
In Python, the “for loop”, “while loop”, “string slicing”, “recursive method” and “reversed() function” are used to reverse a number.
How to Split String in Python?
In Python, the “split()” method is used to split the string according to the value provided by the “separator” parameter and “max split” parameter
How to Repeat N Times in Python
In Python, the built-in “range() function”, “iter.tools() method” and “split() function” are used to repeat N times. All these methods are explained here.
Exit Commands in Python
In Python, we used several “Exit” commands like “quit()”, ”exit()”, “sys.exit()”, “os_exit()” and “SystemExit” to terminate the program.
How to Upgrade Ubuntu 20.04 LTS to Ubuntu 22.04 LTS
Firstly update and upgrade the system’s packages. After that, use the command “sudo do-release-upgrade” to upgrade from Ubuntu 20.04 to Ubuntu 22.04.
Install ZFS Filesystem on Ubuntu 22.04
Open the terminal and use the command “sudo apt install zfsutils-linux -y” to install ZFS on Ubuntu 22.04. The ZFS supports pool storage as well.
How to Install Odoo 15 on Ubuntu 22.04
Odoo 15 is a complete Business software suite that provides useful tools for business users to handle their business-like Accounts and Sales inventory.
How to Upgrade to Ubuntu 22.04
Firstly, you need to install the update manager and configure its release-upgrade file. After that, use the “sudo do-release-upgrade” command to upgrade.
How to go up one directory in Linux
The “cd” command is used in switching between various directories. It is used alongside the name of the directory to go up one directory.
How to Convert Dictionary to String in Python
The “str()”, “json.dumps()”, “pickle.dumps()”, and For loop (with “.join()” and “.items()”) can be used to convert the dictionary to string.
Set up LAMP(Linux, Apache, MySQL, PHP) Stack on Ubuntu 22.04
To set up a LAMP stack on Ubuntu 22.04, install the Apache web server, and MySQL server, then add ondrej PPA repository and install PHP.
Install or Upgrade to Latest Linux Kernel on Ubuntu 22.04
Kernel is an important part of the operating system that is mainly responsible for the entire communication between the hardware and software of the computer.
Rufus Bootable USB to install Ubuntu 22.04 LTS
Firstly, install Rufus and download the ISO of Ubuntu 22.04. After that, make the USB bootable. Plugin the USB into the machine to install Ubuntu 22.04.
How to remove/delete a PPA repository in Ubuntu 22.04
To remove or delete a PPA repository in Ubuntu 22.04, use “add-apt-repository”, “ppa-purge” commands, or the “Software & Updates” application.
How to Install Ubuntu on Raspberry Pi
To install Ubuntu on Raspberry Pi, Flash ISO file on a USB/SD card, write Ubuntu on Raspberry Pi, connect USB to it, and start installing Ubuntu.
How to Use tostring() Equivalent in Python
In Python, built-in functions like “str()”,”format()”, and the “f-string” methods are used as an equivalent of the “tostring()” function.
One Line for Loop in Python
In Python, one line for a loop is used to perform multiple operations in a single line. The one-line for loop operations reduces the space and amount of code.
How to Create List of Lists in Python
In Python, the append() method, For Loop method, List initializer, and the comprehension list methods are used to create a list of lists.
How to Install and Enable OpenSSH on Ubuntu 22.04
On Ubuntu 22.04, OpenSSH can be installed and enabled using “sudo apt install openssh-server” and “sudo systemctl enable –now ssh” commands, respectively.
How to Install Chromium on Ubuntu 22.04 (LTS)
Use the “sudo apt install chromium-browser” command to install Chromium. Or utilize the “sudo snap install chromium” from the snap store.
How to Check the Disk Space in Ubuntu 22.04
The du and df commands can be used to check the disk space on Ubuntu 22.04. You can also use the Disks application to examine disk space via GUI.
Install Git in Ubuntu 22.04
To install Git on Ubuntu 22.04, use the command “sudo apt install git”. If you add the PPA repository, you will get the latest version of Git.
How to Install GCC on Ubuntu 22.04
GCC can be installed on Ubuntu 22.04 using “sudo apt install gcc” or “sudo apt install build-essential”. For GCC-12, you can use “sudo apt install gcc-12”.
How to Install an FTP Server on Ubuntu 22.04
An FTP server can be installed on Ubuntu 22.04 using the command “sudo apt install vsftpd”. It is a client-server network protocol used to transfer files.
How to Restart the Network on Ubuntu 22.04
The Network can be restarted on Ubuntu 22.04 using the CLI (nmcli command or restarting NetworkManager.service) or GUI (wired network connection).
How to Install Plex on Ubuntu 22.04
Use “sudo snap install plexmediaserver” to install Plex via a snap or use the “sudo apt install plexmediaserver” command after adding the Plex repository.