Linux

The bc command in Linux enables the terminal to be used as the basic scientific calculator. Additionally, bc command in Linux can also work with the files.

The existing username in Linux can be changed with the help of the built-in “usermod” command that also changes the user’s home directory.

To fix the “ls command not found” error, check the spelling and case letter of the command, add an environment PATH variable, and check file permission.

The & ampersand operator and && AND operator in Linux commands are used to run processes in the background or in a conditional way.

To change your VNC server password, open your RealVNC server app and press the “Change password” option under the “Authentication” section.

To use the ChatGPT on the Linux terminal, install the “terminalgpt” using the Pip Python package manager. Then login to it with the generated ChatGPT API secret key.

To update/upgrade the packages using the pip, open the terminal and run the command “$ pip install –upgrade [package name]”.

To install the FLAX on Linux, install the pip package in the Linux distribution. Then use the pip command and run “pip install flax”.

To find all the files containing the specific text or string on Linux, use the grep command with its “rnwe” options. Also, the ack and rg commands can be used.

To delete the exported environment variable in the Linux shell, use the unset command. To use it, open the terminal and run “unset [variable name]”.

To fix the error “ModuleNotFoundError: No module named ‘langchain’”, ensure the Python library has been installed with the “pip install langchain” command.

To keep the Microsoft Teams status active and green on Linux, set the status of the “Microsoft Teams” to available as explained in this blog.

To ping Google from Windows and Linux, open the Command Prompt or terminal respectively. Run the command “ping Google.com” and the information will be displayed

To change the color of the “echo” command’s output, users can use the ANSI Escape Code. These codes are used to change both the text and background color.

o install the Streamlit on Linux, 3 different methods can be used. First is by using the pip, second is with the conda, and the last is by using the source.

To restart the Network Interfaces and Network Adapters on Linux distributions, the users can use the systemctl command.

To install PyTorch on Linux, two different methods including anaconda, and the pip packages are used and these methods are explained in this blog.

To search for Debian’s packages, use any of the commands from apt, apt-file, apt-cache, aptitude, dpkg, dlocate, and snap.

The best Linux tables to consider in 2023 are: PineTab, JingPad, RasPad, CutiePie, and ThinkPad L13 Yoga. Read this post to learn more about these tablets.

An exit code of “2” means the program or command could not execute successfully. It usually occurs when the command syntax needs to be corrected.

In the dead state, the process has terminated but has not yet been cleaned up by the system. The system resources will still be in use in this state.

There is no official support for GoToMeeting on Linux but can be used through the online web application on the Chrome browser only.

The ServerAliveInterval and ClientAliveInterval specify the time before the connection is closed after no response from either client or server.

The “bin” directory contains the executable binary files of various types which depend upon the location where the “bin” directory exists.

The reason for the error “pg_config executable not found” is the missing library. The “libpq-dev” is not installed which can be resolved by installing “libpq-dev”

The cron script does not execute as expected is fixed by starting cron daemon, providing valid path to the script, giving execute permissions and fixing script.

To fix the error “jupyter: command not found”, open the “.bashrc” file and export the “~/.local/bin” path in it then apply the source command to execute it.

All the messages in Linux (kernel and system) are passed through the rsyslog.conf file. The file has Global Directives, Modules, Rules, Selectors, and Actions.

The wildcard asterisk (*) is used to list all the files for the scp command. Using the asterisk, users can copy multiple files and the whole directory.

Linux shell command “tar” supports the “–exclude” argument to exclude certain files/directories by placing them one after the other.

Linux offers the “Smartctl”, and “nvme-cli” command line tools and “Disks” application in GUI to test the health of SSD/HDD.

To force ssh clients to use only password authentication, users must change PublicKeyAuthentication yes to “no,” and add PasswordAuthentication yes.

To compare two files in a Linux terminal, use the “diff(difference)” command, its supported “–color” flag for colorized output, and the “vimdiff” command.

The CIFS share is mounted when the mount command is used with the cifs-utility. To automatically mount, credentials are added in the/etc/fstab file.

In Linux, the “ALL ALL=(ALL) ALL” grants full sudo privileges to all users on all hosts for all commands in the sudoers file.

To start/stop or enable/disable the firewalld services, execute the “sudo systemctl firewalld.service” command in Linux.

Users can monitor log files in real-time and keep tailing them even when the latest date of one changes by following the “tail [options] [log_file]” syntax.

The “cmake: command not found” error is fixed by installing the “Cmake” package or adding the Cmake binary to your PATH environment variable.

The “Nslookup: command not found” error occurs when the nslookup command is not installed. To install it, run the “yum install bind-utils” command.

10 commands that can be destructive to Linux OS are explained in this blog, and users should avoid running these commands.

SCP is a file transfer protocol, but sometimes the transfer speed gets very slow. Different methods that affect the speed have been discussed.

To find out which files differ by content in the given two directory trees, the diff command is used, and if you want a GUI-based tool, use the meld tool.

User and service accounts are used to manage access and permission to a computer system, but there are some key differences between them.

The “char X: unterminated `s’ command” error occurs when sed encounters a substitution command that is not properly terminated.

Get solutions to the common error message “Not able to execute a .sh file: /bin/bash^M: bad interpreter.” Follow our step-by-step guide and fix the issue now.

The tab completion error: bash: cannot create temp file is fixed by freeing up the Inodes in /tmp directory by removing the unnecessary files and directories.

The libstdc++.so.6 is a shared library to simplify the development of C++ applications and the GLIBCXX_3.4.20 is a version symbol used in it.

In Linux, the “su -” is utilized to switch to a user account with a login shell session, and the “su root” switches to the root user account without a login shell.

Windows, Mac OS X, and Linux are the most popular operating systems built using different programming languages, as discussed.

The 5 top tools available for Linux that offer similar features to WinSCP are Filezilla, Nautilus, Krusader, Midnight Commander, and Konqueror.

SFT, SCP, and FISH protocols are used to transfer files securely over the internet, and the differences have been discussed in the article

In cache memory, frequently accessed data is stored, whereas used memory is the total memory used by the application and processes for their functioning.

Udev stands for “userspace device manager” and is a device management system in Linux that dynamically creates and removes device nodes.

In a Linux operating system, the kernel manages system resources, whereas the user space is where user applications and processes run.

CIFS and SAMBA are two different file-sharing software. They have some similarities and differences as well discussed in this article.

A proxy server acts as an intermediary between your device and the internet. Three of the best proxy servers have been discussed in this article.

Three of the best available IDEs for Linux are Visual Studio Code, Sublime Text Editor, and Eclipse. Read this article to find out more about them.

In the Linux operating system, rpcbind is a program that manages the connections between client and server applications using remote procedure calls (RPCs).

The main purpose of XEyes is to use it for security and accessibility purposes. This tool is also customizable and has been discussed in detail in this article.

An ephemeral port, also known as a dynamic port, is a temporary port number used by client devices to communicate with servers over the internet.

The error “Wrong Fs Type, Bad Option, Bad Superblock” usually occurs when a user tries to mount a file system which can be fixed by reading this article.

To use “pbcopy” and “pbpaste” commands, install the “xclip” and “xsel” and define the aliases, then utilize the syntax “[command] | pbcopy” to copy

To install and play Among Us, download steam and log in to the steam account. After that, enable the steam gameplay, download, and install Among Us.

The dd and tar commands back up the entire Linux system. For GUI, the GNOME Disk Utility provides this facility. The data is then recovered.

To chmod 777 or grant all permissions to all users to all the subdirectories of /var/www, the -R flag of the chmod command is used.

The curl command’s output could be long sometimes, so the output is hidden to avoid cluttering the terminal. However, errors can be displayed.