How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what version I would install if I ran the apt-get command. How do I find out which versions of a…

How to install mysql server 5.7 on Ubuntu 16.04 LTS ( Xenial Xerus )

M ySQL is a popular database management system used for my web applications. How do I install MySQL server version 5.7 on Ubuntu Linux 16.04 LTS ( Xenial Xerus )?   This tutorial will introduce…

19 Ubuntu / Debian Linux apt Command Examples

I am a new Linux system admin user. How do I use apt command line utility for the package management on Ubuntu Linux LTS and Debian Linux server? How can I use the apt command…

How to install htop on pfSense firewall

I am using pfSense version 2.3.2-RELEASE (FreeBSD 10.3-RELEASE-p5). How do I install htop version 2.x on a pfSense firewall?   htop is an awesome and interactive system-monitor process-viewer. It acts as an alternative to the…

How to use multiple connections to speed up apt-get on Ubuntu Linux 16.04 LTS server with apt-fast

H ow do I speed up my apt-get or apt command to download packages from multiple repos on a Ubuntu Linux 16.04 or 14.04 LTS server or Ubuntu 17.04 desktop system? How do I use…

How to apply Debian security patches

I am new to Debian and confused about how to get access to the Debian security updates. How do I apply security patches to my Debian Linux server using the command line option?   If…

How to see CPU temperature on CentOS 7 and RedHat Enterprise Linux 7

I am a new sysadmin of CentOS 7 server. How do I get my CPU temperature Information on CentOS Linux 7 or Red Hat Enterprise Linux 7 server? How can I read my CPU temperature…

How to see PCI devices info on CentOS 7 and RedHat Enterprise Linux 7

I wanted to see PCI devices information on my CentOS/RHEL 7 box. But, I’m getting an error that read as, “-bash: lspci: command not found”. How do I solve this problem and see PCI devices…

How to apply patches on OpenBSD system/kernel and packages easily

Iam a regular Linux system user. In Linux (especially CentOS), I am used to applying updates a few times a week using yum command, but how do I do that on my OpenBSD severer? How…

How to live patch Ubuntu Linux Kernel without rebooting the server

K ernel live patching enables runtime correction of critical security issues in running kernel without rebooting. How do I enable or patch my Ubuntu Linux 16.04 LTS server without rebooting the box?   Ubuntu Linux…