#yum command

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Linux iotop Check What's Stressing & Increasing Load On Hard Disks - nixCraft

Linux iotop Check What's Stressing & Increasing Load On Hard Disks - Learn how to install and use iotop to see I/O usage by processes/threads

Learn how to install and use iotop to see the I/O bandwidth read and written by each process/thread on your Linux server. Useful to find out current DISK I/O usage by processes.

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CentOS SSH Installation And Configuration - nixCraft

CentOS SSH Server Installation - Explains how to install and configure SSH client and server under CentOS Linux operating systems using yum command.

Old tutorial from CentOS 5.x days updated for the latest CentOS 7.x/8.x. How to install and configure ssh if removed by accident on a CentOS

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How to check and list installed packages in CentOS Linux - nixCraft

Learn how to check & list installed packages in CentOS Linux 6.x/7.x/8.x. Further, learn how to create a list of installed packages for reinstallation.

List & backup all installed packages on a CentOS/RHEL/Fedora/SUSE Linux:

rpm -qa --qf "%{NAME}\n" |sort > pkg.txt

Restore it later if the system failed or build another system from the list (replace yum with zypper or dnf as per Linux distro):

yum -y install $(cat pkg.txt)

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RHEL 8 update installed packages for security - nixCraft

Explains how to update installed packages on RHEL 8 server or desktop using the command line and GUI tool options to keep your system secure.

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How to use yum-cron to automatically update RHEL/CentOS Linux - nixCraft

Explains how to install yum-cron package to check for, download and apply updates automatically on a CentOS or RHEL version 6.x/7.x.

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CentOS / RHEL See Detailed History Of yum history Commands - nixCraft

CentOS / RHEL See Detailed History Of yum commands about a timeline of Yum transactions, the dates and times they occurred, the number of packages affected.

The yum history command allows users to review information about a timeline of Yum transactions on a CentOS, Redhat Linux. For example, one can easily find out when Linux kernel package was updated. One can undo or redo yum commands too. 

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Linux See Bandwidth Usage Per Process With Nethogs Tool - nixCraft

Linux See Bandwidth Usage Per Process With Nethogs - Learn how to install and use nethogs tools on Linux to see network traffic per process.