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Package Management

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 information on CentOS/RHEL 7?
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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?
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How 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?
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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?
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10 Ubuntu / Debian Linux apt Command Examples

ip-command

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 for the package management?
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How to install mysql server 5.7 on Ubuntu 16.04 LTS ( Xenial Xerus )

MySQL 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 )?
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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 package can I install using apt-cache/apt-get command? How do you check package version using apt-get/aptitude on Debian or Ubuntu Linux server?
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How do I secure my Nginx web server with Let’s Encrypt free ssl certificate on my Ubuntu Linux 14.04 LTS or Debian Linux 8.x server?
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How to upgrade OpenSSH 7.0 to 7.2 on a OpenBSD Unix and Linux

OpenSSH version 7.2 has been released. How do I install or upgrade my existing OpenSSH version to 7.2 on a OpenBSD unix operating system?
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How to run a command or script after running apt-get command on a Debian or Ubuntu Linux

How do I run custom command after ‘apt-get upgrade‘ or ‘apt-get dist-upgrade‘ on a Debian or Ubuntu Linux based system? How do I hook a script to apt-get command on my Ubuntu Linux server?
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