Category: Linux

Linux Server Managment

How to check RAID configuration in Linux nixCraft

I need to check RAID configuration in Linux. How do you check your current software RAID configuration in a Linux-based server powered by RHEL/CentOS or Debian/Ubuntu Linux?Introduction…

Bash check if string starts with character such as # nixCraft

My bash shell script read a config file line-by-line using a bash while loop. I need to check if a string stored in $var starts with some value such as # character.…
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How to secure Apache with Let’s Encrypt Certificates on RHEL 8 nixCraft

I read that Let’s Encrypt is a free, automated, and open certificate for web server and other usages. How do I secure Apache with Let’s Encrypt Certificates on RHEL 8?Introduction…
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How To Install Linux, Apache, MySQL, PHP (LAMP) stack On RHEL 8 nixCraft

How do I set up a LAMP stack on RHEL 8 cloud server or VPS or bare metal server? How can I install Linux, Apache, MySQL/MariaDB, PHP (LAMP) stack On RHEL (Red Hat Enterprise Linux) 8?Introduction…
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Linux / UNIX: Check If File Is Empty Or Not Using Shell Script nixCraft Updated Tutorials/Posts

How do I check if a file is empty or not using bash or ksh shell script under a UNIX / Linux / macOS / OS X / BSD family of operating systems?…
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FreeBSD 12 released: Here is how to upgrade FreeBSD 11 to 12 nixCraft

The FreeBSD project announces the availability of FreeBSD 12.0-RELEASE. It is the first release of the stable/12 branch. The new version comes with updated software and features for a wild variety of architectures.…
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How to install Nvidia driver on CentOS 7 Linux nixCraft

I am a new CentOS 7 Linux desktop user. I need to use Nvidia software for my video editing software and other purposes. How do I install the Nvidia driver on CentOS 7 Linux?Introduction:…
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How to setup a UFW firewall on Ubuntu 16.04 LTS server nixCraft Updated Tutorials/Posts

How do I setup a firewall with UFW (uncomplicated firewall) on an Ubuntu Linux 16.04 LTS server to restrict traffic on my personal web-server that hosts my pictures and blogs for my family members?UFW…
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How to find out Raspberry Pi GPU and ARM CPU temperature on Linux nixCraft Updated Tutorials/Posts

I am using a Raspberry PI 2/3 credit size computer. How do I find out my Raspberry PI GPU or CPU temperature from Linux operating system command line option?…
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How To Find Out Nginx Version nixCraft Updated Tutorials/Posts

How do I print Nginx web server version using command line option under Unix like operating systems? How do I check nginx version?This quick tutorial explains how to check nginx version using the command line option running on Linux or Unix-like operating systems.…