How to Check and Repair EXT4 Filesystem in Linux
The fsck (stands for File System Consistency Check) is used to check and repair one or more Linux filesystems. This check will run automatically at boot time when a filesystem …
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How to Remove Multiple Files at once on Linux
Deleting (or removing) a file in Linux from the command line can be done using the rm command. It allows you to delete more than one files at once. Also, …
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How to Run Multiple Commands at once in Linux
As a Linux administrator, you may know how useful the command line can be to work with various activity such as installing the application, installing the system patch, and restarting …
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Linux tee command with examples
The tee command reads standard input (stdin) and writes the result to standard output (stdout) and one or more files simultaneously. It basically displays the command output on the terminal …
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How to configure firewalld rules in Linux
The firewall is essential for controlling the flow of network traffic in and out of the Linux server. It enables users to control incoming network traffic on host machines by …
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How to use journalctl to analyze logs in Linux
systemd is the default system manager in most of the major Linux distributions, which comes with a new logging daemon called ‘journald’. For many years, system and kernel logs in …
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6 best tools to monitor disk IO performance in Linux
Disk IO issues (input/output) are one of the most common causes of poor performance on Linux system. This occurs when applications try to quickly read or write too much data …
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How to lock & unlock multiple users in Linux
‘usermod’ & ‘passwd’ commands are used to lock or unlock one user account at a time, but you may need to write some small shell scripts to perform this action …
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How to Automatically Accept SSH Key Fingerprint
SSH Secure Shell is an encryption network protocol that provides secure encrypted communications between two hosts. It allows you to connect to a remote machine securely over an insecure network. …
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How to view images from Linux terminal
Linux has many GUI applications for viewing images. But have you ever tried a CLI application to view them or do you know if one exists? Fortunately, while working with …
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