While working on RHEL and CentOS Servers there are some scenarios where we want to download the particular or set of RPM packages from the command the line without installing it. Though we can...
Tar (tape archive ) is the most widely used command in Unix like operating system for creating archive of multiple files and folders into a single archive file and that archive file can be...
rm stands for ‘remove‘ as the name suggests rm command is used to delete or remove files and directory in UNIX like operating system. If you are new to Linux then you should be...
Hostname is defined as label or name of a computer and network device. In this article we will discuss how to set and modify hostname on CentOS 7 & RHEL 7. There are three...
User administration is one of the important task of Linux system administrator. Local accounts or users in Linux like operating system is managed by useradd, usermod, userdel, chage and passwd commands. useradd command is...
SAR stands for System Activity Report, as its name suggest sar command is used to collect,report & save CPU, Memory, I/O usage in Unix like operating system. SAR command produce the reports on the...
df (disk free) command is used to display disk usage of the file system. By default df command shows the file system usage in 1K blocks for all the current mounted file system, if...
As the name suggest passwd command is used to change the password of system users. If the passwd command is executed by non-root user then it will ask for the current password and then...
YaST2 is a Configuration tool in SUSE Linux which is used to configure the system’s Hardware like printers, Sound cards, keyboards , network cards.It also help us to configure Network clients & services like...
cat stands for Concatenate. Cat is the basic command when we start learning Linux/Unix, as the name suggest it is used to create new file ,concatenate files and display the output of files on...
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