Henry

To force kill the screen session in Linux, use the “kill” option in the “screen -X -S [session_ID]” or the “quit” option to quit the whole session.

In Linux, to test if a port on a remote host is reachable or not, use the “nmap” tool, “telnet” service, or “nc” command in the terminal.

In Linux, to check the port is in the open state, use the “telnet”, “netcat(nc)”, “nmap”, “netstat” or “/dev/tcp” command.

In Linux, to list down the USB devices, use the “lsusb”, “dmesg”, “usb-devices”, “lsblk”, “df”, or “fdisk” utility in the terminal.

To remove the screen sessions, run the screen utility using the “r” flag with its session ID and then type exit or use the shortcut key “Ctrl+A+D”.

The reason for the error “gpg: keyserver receive failed: no name” is the problem with the keyserver that can be fixed by changing it to another server.

To fix this error, upgrade the pip to the latest version and install the missing libraries; the process and the commands are given in the article.

The reason for the error “importerror: libsm.so.6: cannot open shared object file” is the missing libraries that can be fixed by installing these libraries.

In Linux, there are two methods to mount the USB drive. Use the terminal and run the mount command or manually mount the USB using disks.

To generate the PGP keys with the GPG command in Linux, there are 3 ways. Use “–gen-key”, “–full–generate-key” or “–quick-gen-key” with the “gpg” utility.

For copying and pasting the command in the Linux terminal, use the right-click of the mouse, the middle button, or press the keyboard shortcut keys.

In Linux, to format the USB drives and SD cards, use the file manager method either by GUI and CLI or install the GParted package.

To change the SFTP port in Linux, use the given command for setting the rules, change the port in the “ssh_config” file and restart the ssh service.

In Linux, to find the hostname for IP, there are three methods available. Use the “hostname”, “dig”, or “nslookup” utility with the IP address of your system.

In Linux, to extract the tar.xz files, use the tar command in the terminal. There are various options available that can be used when extracting it.

To check the open files in Linux, the “lsof” (List Open Files ) utility is used, which depends upon various options that can be considered while running.

To zip all the files in a directory user can use the “r” flag in the command or zip the directory manually by right-clicking and hitting the “compress” option.

To copy or share files/folders from Linux to windows, open the properties of the specific folder or files and activate the sharing option.

In Linux, the zsh is the enhanced version of the bash shell, and the user can switch from zsh to bash by simply running the “exec” command in the terminal.

In Linux, to change the ssh port, update the firewall setting, change the port number in the “ssh_config” file, and restart the ssh service.

To automatically create the destination directory use the “mkdir” command with cp, use a bash script function or copy the file with the install utility.

In Linux, the process is sent to the background using the ampersand (&), bg command after stopping the process, or using the nohup, disown, and tmux utilities.

To schedule a job in Linux, there are two methods: a cron job or the “at” utility. Both are built-in into Linux. Both methods are explained in this post.

The reason for the “the hardware virtualization is enabled in the acceleration” error is that the Hyper-V option is enabled; disable it from the Control Panel.

To fix this error, install Docker using the given guide, create the symbolic link if Docker is located in another directory, or properly install the Docker.

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, there are three methods to open any HTML file using the terminal, i.e., the “open” command or browser name, text editors, or lynx.

To find any Linux file with an extension in Linux, “find”, “locate”, and “grep” commands are used, which search the files from the PWD or the specified location.

To fix the error “remove Directory not empty”, use the “rm -r” command to remove the non-empty directories and their content

To resolve this error, install the build-essential packages, which will install the required libraries, or remove gcc and re-install it.

To fix this error, use the “sudo cp /var/lib/dpkg/status-old /var/lib/dpkg/status” in the terminal. Read this post to explore more solutions.

To fix this problem, install the “gdebi” package to manage Debian packages or open it with “software install”. Users can also install it by apt command.

To fix this error, use the “pkexec chmod a=rx,u+ws /usr/bin/sudo” in the terminal. There are other solutions as well, which are demonstrated in this post.

To fix this error, use the sysvinit-supported command rather than systemd-supported commands in WSL. Read this post to explore more solutions.

To fix this error, install the make or build-essential package using the given command. Users can also reinstall the make command to fix this error.

In any file of Linux, String can be replaced using the awk command with “$” variables or the global substitutions (gsub).

In Linux, the “||” command is used to check multiple commands at a time, and “||” executes only the first (one) correct command that occurs in the pattern.

To fix No LSB modules are available, install the “lsb-core” package or if already installed, then try to remove it and then reinstall it.