Linux Kernel /etc/sysctl.conf Security Hardening nixCraft Updated Tutorials/Posts
How do I set advanced security options of the TCP/IP stack and virtual memory to improve…
How to create a hard links in Linux or Unix nixCraft Updated Tutorials/Posts
I am a new Linux system user. How do I create a hard link in Linux…
CentOS 7 Run Script When Network Interface is Up (Network Manager) nixCraft
I want to run a shell script or other program immediately after my network interface goes…
Linux Make Sure /etc/resolv.conf Never Get Updated By DHCP Client nixCraft Updated Tutorials/Posts
I am using GNU/Linux with the Internet Systems Consortium DHCP Client. The dhclient, provides a means…
Ansible reboot Linux machine or server with playbooks nixCraft
I need to reboot the VM or bare metal Linux machine/server using Ansible and wait for…
Check Debian/Ubuntu Linux package version using apt-get/aptitude command nixCraft Updated Tutorials/Posts
I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what…
Linux Delete All Files In Directory Using Command Line nixCraft Updated Tutorials/Posts
I want to remove all files from a directory. Can you tell me Linux command to…
CentOS 7.0 Set Up OpenVPN Server In 5 Minutes nixCraft
I am a new CentOS Linux 7.0 server user. How do I set up an OpenVPN…
Ubuntu 18.04 LTS Set Up OpenVPN Server In 5 Minutes nixCraft
I am a new Ubuntu Linux 18.04 LTS server user. How do I set up an…
FreeBSD add a user to group nixCraft Updated Tutorials/Posts
How do I add a user to group under FreeBSD operating system? How can I add…
FreeBSD install PHP 7.2 with FPM for Nginx nixCraft
How do I install install PHP 7.2 with FPM for Nginx web server running on FreeBSD…
Ubuntu Enable & Setup Automatic Unattended Security Updates nixCraft
I have minimal Ubuntu Linux 18.04 LTS server setup in the cloud. I read that one…
CentOS / RHEL See Detailed History Of yum history Commands nixCraft Updated Tutorials/Posts
I would like to see detailed information on the history of yum transactions such as updates,…
Remove Old or Corrupted Linux Kernels on CentOS/Fedora/RHEL – YUM/DNF
This is quick guide howto delete/remove/clean old kernels on Fedora, CentOS, Red Hat (RHEL). I use…
How to Download and Extract Tar Files with One Command
Tar (Tape Archive) is a popular file archiving format in Linux. It can be used together…
Organize my uploads into month- and year-based folders
The piece of text I’ve used as this article’s title should be familiar to all WordPress…
Folders on top with El Capitan
For the last three years I’ve been happily seeing folders at the top of all file…
Day 0 Linux Grub Vulnerability Identified
A new Day 0 Linux Grub Vulnerability has been identified which allows an attacker to bypass…
How to disable responsive images in WordPress 4.4
The latest version of WordPress, 4.4 (“Clifford”), has rolled out a feature whereby it adds ‘srcset’…
Install St George IPG on CentOS with cPanel
yum install swig gcc gcc-c++ autoconf automake sed php-devel mkdir -p /opt/stgeorgeipg/ && cd /opt/stgeorgeipg/ wget…
Linux Aligned Disk with VMware and Netapp
The process is quite simple however there are a few optional parameters you will want to…