Proxmox 1:1 NAT routing Rumi, March 30, 2025 Background: The objective was to serve VM’s default route via private network Public IP with no default route More control over firewalling policy over the VM (which is not covered in this post) Automation via DHCP on VM provisioning (This too no covered in this post) D-NAT to the VM… Continue Reading
Administrations Installation steps of WSL – Windows Subsystem for Linux Rumi, March 8, 2025 Step 1 – Enable the Windows Subsystem for Linux You must first enable the “Windows Subsystem for Linux” optional feature before installing any Linux distributions on Windows. Open PowerShell as Administrator (Start menu > PowerShell > right-click > Run as Administrator) and enter this command: dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart We… Continue Reading
How to Modify/Change console/SSH login banner for Proxmox Virtual Environment (Proxmox VE / PVE) Rumi, March 3, 2025March 3, 2025 The final banner text is stored in /etc/issue, but we should not change this file, instead we should change the script which produces the content for this file “/usr/bin/pvebanner“ 1 To modify the /usr/bin/pvebanner file we can use the following command to back it up first then edit it # Backup the file… Continue Reading
Install Proxmox Backup Server on Debian 12 Rumi, February 12, 2025February 12, 2025 Set Hostname. Edit /etc/hostname. # nano /etc/hostname Overwrite the file with following content and save using Ctrl + X then Enter. pbs.example.com Edit /etc/hosts. # nano /etc/hosts Add the following line and save the file using Ctrl + X then Enter. 127.0.0.1 pbs.example.com Reboot the server. # reboot Check if the system hostname matches your subdomain. Continue Reading
Install Uptime Kuma on Debian 12 Rumi, January 25, 2025 Log into the Linux device. Run the following commands in a terminal window# update software repositories sudo apt update # install available software updates sudo apt upgrade -y # install prerequisites sudo apt install git curl -y # add nodejs software repository curl -sL https://deb.nodesource.com/setup_current.x | sudo bash – #… Continue Reading
Fixing Proxmox “WARN: missing ‘source /etc/network/interfaces.d/sdn’ directive for SDN support!” Rumi, January 25, 2025 When trying to use SDN feature in Proxmox VE (PVE), we get this error SRV networking – Reload WARN: missing ‘source /etc/network/interfaces.d/sdn’ directive for SDN support! Created symlink /etc/systemd/system/multi-user.target.wants/dnsmasq@testzone.service -> /lib/systemd/system/dnsmasq@.service. TASK WARNINGS: 1 Edit /etc/network/interfaces file to add source /etc/network/interfaces.d/* at the bottom of the file 1 Login to… Continue Reading
Install HAProxy on Ubuntu 20.04 Rumi, January 18, 2025 Prerequisites To follow along with this HAProxy tutorial, you require the following: A set of 3 Ubuntu 20.04 servers configured with private networking. Please refer to the guide on How to Create a Private Network to set up private networking for your Vultr servers. Your servers should be in the… Continue Reading
mirrorlist.centos.org no longer available – updating centos 8 repository Rumi, January 18, 2025 mirrorlist.centos.org doesn’t exists anymore. From the .repo file: # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates #… Continue Reading
Install GoAccess Log Analysis tool on Rocky Linux 9 Rumi, January 18, 2025March 28, 2025 Perform a system update Before installing any packages on the CentOS server instance, it is recommended to update the system. Log in using the sudo user and run the following commands to update the system. sudo yum -y install epel-release sudo yum -y update sudo shutdown -r now Once the… Continue Reading
Setting Up Docker and Docker Compose on Debian 12 Rumi, December 27, 2024 Installing Docker on Debian 12 Before installing Docker, ensure your Debian system is up-to-date with the following command: sudo apt update && sudo apt upgrade -y Once your system is updated, install the necessary packages to allow apt to use a repository over HTTPS: sudo apt install apt-transport-https ca-certificates curl… Continue Reading