How to upgrade OpenSUSE 15.2 to 15.3 using the CLI
The most advanced OpenSUSE version is 15.3 and is an opportunity for both desktop and server users on the previous 15.2 release to update OpenSUSE Linux to get the newest …
How to set up ZFS ARC size on Ubuntu/Debian Linux
When working with Ubuntu, Debian Linux, and ZFS, you will run into ZFS cache size problems. You see, not all Ubuntu or Debian servers need aggressive file caching. Some servers …
How to set up ZFS ARC size on FreeBSD
When working with FreeBSD and ZFS, you will run into ZFS cache size problems. Not all FreeBSD servers are file servers. Some servers act as backup servers. Others might run …
How To Update Samsung SSD Firmware on Linux
Typically, we apply firmware updates to fix a security issue and enhance SATA/PCIe/NVMe solid-state (SSD) drive performance. Failing to install available updates may lead to vulnerable SSD. This quick guide …
How to install Linux VM on FreeBSD using bhyve and ZFS
Bhyve (BSD hypervisor”) is a free and opensource hypervisor for FreeBSD. We can use Bhyve to run Linux, Windows, and *BSD guest operating system as a virtual machine. Let us …
How To Encrypt Root Filesystem on Linux
As a system administrator, you probably already know how important it is to encrypt your disks. If your laptop were to be stolen, even a novice hacker would be able …
How to show dropped packets per interface on Linux
How do I display dropped packets per interface on Linux operating systems from the command line option? How can I determine why a Linux server is dropping packets?We can use …
Alpine Linux set up WireGuard VPN server
How do I install and set up WireGuard VPN server on an Alpine Linux cloud server? How can I configure Alpine Linux as the WireGuard VPN server? How can I …
How to disable firewall and NAT rules on the LXD bridge
I followed your Ubuntu LXD tutorial, and I noticed LXD automatically created firewall and NAT rules. Is there any way to disable this feature? I want to manage a firewall …
How To Set Up a Firewall with Awall on Alpine Linux
Alpine Wall (Awall) is an easy to use interace to iptables for Alpine Linux users. While iptables and ip6tables is an excellent command, it can be challenging for new Alpine …