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I would like to configure a service to be started automatically while system startups up. How Do I enable a service under CentOS 7 or RHEL operating systme? How can I disable a service unit… read more »

How Do I start a service unit under centos 7/RHEL 7 operating system? How can I stop a system service? How to restart a server in the latest centos 7 or RHEL 7? In old… read more »

I would like to uninstall a rpm package via “yum” command under centos / RHEL /Fedora system. How do I remove the rpm packages using yum? How to use YUM uninstall RPM Packages? You need… read more »

How Do I just only download RPM Packages without installing them immediately under CentOS /RHEL/Fedora system? Sometimes, I just would like to download the packages using yum command and not install those matched packages in… read more »

How Do I install package using yum tool under CentOS /RHEL /Fedora system ? How To install a sinagle package and all of its non-installed dependencies? How to install multiple package at once on linux… read more »

In this post you will see that how to list all configured repositories under CentOS 7/ RHEL 7/Fedora system. How to display more detailed information for all enabled or disabled repositories? How to list only… read more »

For A Linux newbie administrator, how to check package information for which packages  installed and available on your linux system? How do I list one installed package information  under centos  operating system? How do I… read more »

when you want to install one software in your linux system, but you do not know what the software name is. At this time, you can use yum search command to search the packages that… read more »

Yum is a high level package managers like apt-get and smart. you can use YUM to install  new packages, remove old packages or check if packages has any updates in your system. In this post,… read more »

The hardware clock is independent of the current operating system and it runs even when you shutdown the machine. and the system clock is managed by Linu kernel. sometimes it is also called BIOS clock,… read more »

This post I will show you how to change the current date and time for your CentOS 7 Or RHEL 7 system using “date” command. The “date” command can be used to display and set… read more »

The System keyboard layout is used to control the layout used on the text console and GUI on linux system. How Do I change the system keyboard layout under centos 7 or RHEL 7 operating… read more »

This post will guide you how to change the hostname for a Centos Linux system permanently. You will learn that how to use the hostnamectl command to change hostname. Or how to use nmtui command… read more »

In CentOS 7 or RHEL 7 system, A new command used to set date and time is “timedatectl“. this command is distributed as part of the systemd system and service manager. you can use this… read more »

The system locale are used to control the language setting of system services and the UI before the user logs in. How do I change the default system locale in CentOS 7 linux system? How… read more »