nixCraft Linux / UNIX Newsletter

Compiling a custom kernel has its advantages and disadvantages. However, new Linux user/admin find it difficult to compile Linux kernel. Compiling kernel needs to understand few things and then type a couple of commands. This step by step howto covers compiling Linux kernel version 5.2.19 under an Ubuntu or Debian Linux. The following instructions successfully tested on an RHEL 7/CentOS 7 (and clones), Debian Linux, Ubuntu Linux and Fedora Linux 28/29. However, instructions remain the same for any other Linux distribution.

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I installed OpenVPN VPN solutions on Ubuntu for my businesses to secure all data communications. I also set up Pin-hole ad blocker on Ubuntu server along with OpenVPN. How do I force Pi-hole to use Cloudflare DNS over HTTPS (DoH) to increase my privacy and security by preventing eavesdropping and manipulation of DNS data by man-in-the-middle attacks?

The post Configure Ubuntu Pi-hole for Cloudflare DNS over HTTPS appeared first on nixCraft.

How do I check Ansible version (IT automation tool) on my Linux or Unix-like server using the command prompt?

The post How to check Ansible version on Linux/Unix and install the latest version for IT automation appeared first on nixCraft.

So, how do you find out your Linux or UNIX-like system was last rebooted? How do you display the system shutdown date and time?

The post Linux Find Out Last System Reboot Time and Date Command appeared first on nixCraft.