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

The grep command used with the flag -e makes running on multiple AND patterns possible. The -e flag can be combined with other flags like -c, -n, and -w.

To umount non-sudo sshfs created directory, the umount and fusermount commands are used. However, the umount command can have permission issues.

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.

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 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 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.

The list data structure is not supported in the Linux shell but supports the arrays used in place of lists. Command substitution can also be used.

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.

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

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.

Yes, there are a few alternatives to MovaXTerm for Linux, such as Terminator, Konsole, Tili, and
Remmina. Each of them has its features, pros, and cons.

Personal Package Archives or PPAs are used to distribute software to users not available in the official repositories without waiting for official approval.

The basic functionality of both commands is the same, but there are a few differences also, with the curl command having the upper hand.

When the kill command is used without a specific signal, then by default, a soft shutdown warning called SIGTERM is sent to the program. It can be ignored.

Yes, the curl command has two equivalent options -k and –insecure to ignore SSL certificate errors similar to –no-check-certificate option of wget.

Explore the key differences between CentOS & Fedora Linux distributions to help you decide which is best for your needs. Find out now.

Run the command “systemctl list-units –type=service –state=running” or “service –status-all | grep ‘\[ + \]’” to check the running service on Linux.

The error “The following packages have unmet dependencies” is invoked if dependencies are broken, the repository is corrupted, or packages are held back

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.

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