Commands
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Commands
How to use grep command
The grep command which stands for “global regular expression print” is one of the most powerful and commonly used commands in Linux. Grep searches one…
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Commands
How To Use Linux Which Command
The which command in Linux is used to locate any command in Linux. A command is essentially an executable that you can run. The command…
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Commands
How to Disable SELinux on CentOS 7
SELinux (Security Enhanced Linux) is a Linux kernel security module that allows administrators and users more control over access controls. It allows access based on…
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Commands
How To Set or Change Timezone on CentOS 7
On CentOS, the system’s timezone is set during the install, but it can be easily changed at a later time. Using the correct timezone is…
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Commands
How to use Linux time command
The time command is used to determine how long a given command takes to run. It is useful for testing the performance of your scripts…
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Centos
How to Add and Delete Users on CentOS 7
You may need to create separate account for every user want to connect this system. For adding new users in system there are two commands…
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Commands
Linux Tee Command with Examples
tee command reads the standard input and writes it to both the standard output and one or more files. The command is named after the…
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Commands
How To Setup SSH Passwordless Login on CentOS 7 / RHEL 7/ RHEL 8
Secure Shell (SSH) is a cryptographic network protocol used for secure connection between a client and a server and supports various authentication mechanisms. It is…
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Administration tools
15 ip Command Examples for Linux Users
The linux ip command is similar to ifconfig, but more powerful and is intended to be a replacement for it. With ip you have the…
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Administration tools
How to use One Time Task Scheduling Command “at” in Linux
Unlike cron, which let us run a task on a regular basis, at gives us the ability to execute a command or a script at…
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