caddy
Caddy is a modern web server that is often used as a reverse proxy in Docker environments. It is lightweight, fast, and supports automatic HTTPS out of the box. When combined with Docker and Portainer, Caddy can be a clean alternative to Nginx or Nginx Proxy Manager — but only if
Linux
Monitoring network interface traffic on Linux is one of those tasks that looks simple until something goes wrong. Sudden bandwidth spikes, unexplained packet loss, throttling by a VPS provider, or a container silently saturating the NIC can quickly turn into an outage. When you are under pressure, you do not
Linux
If you run VPN software, WireGuard, OpenVPN, or any tunneling-based network service on Linux, you will eventually encounter this error: Cannot open TUN/TAP dev /dev/net/tun: Operation not permitted This message commonly appears on VPS servers, inside Docker containers, or in Proxmox LXC environments. It usually shows up
Linux
If you’re looking to install iptables and remove UFW (Uncomplicated Firewall) on Ubuntu 24.04.1 LTS, you’re in the right place. Whether you need advanced firewall configuration or simply want to switch from UFW to iptables for greater control, this guide will walk you through the entire
Linux
In this article, we will guide you on how to install Nextcloud on a Proxmox container running Ubuntu 24.01. Nextcloud is an excellent open-source platform for managing files, calendars, contacts, and more. Installing it on a Proxmox container running Ubuntu 24.01 is a straightforward process. This guide will
Linux
Are you setting up GitLab CE on Docker and need to change the root password? Updating your root password is crucial for maintaining the security of your GitLab instance. This comprehensive guide will walk you through the process of changing the root password in a new GitLab installation on Docker
Linux
Install QEMU Guest Agent on Ubuntu for Seamless Virtual Machine Operations If you’re using Proxmox VE to manage virtual machines running Ubuntu or Debian, you’ll want to consider installing the QEMU Guest Agent. This lightweight software component offers a range of benefits, including: * Improved system monitoring and management:
Linux
Rancher is a powerful open-source container management platform that simplifies the deployment and orchestration of containers. In this step-by-step guide, we will walk you through the process of Install Rancher on Ubuntu 22.04, ensuring a smooth and efficient setup for your containerized workloads. Prerequisites Before diving into the installation
Linux
Un this article you will learn how to fix problem when Proxmox Cloned VM Has Same IP. In the realm of virtualization, Proxmox stands out as a robust and versatile solution for managing virtual machines (VMs). However, one common challenge users encounter is the issue of cloned VMs inheriting the
Linux
Attempting to SSH into a Linux server using an OpenSSH-generated key may result in the error: “Unable to use key file “id_rsa” (OpenSSH SSH-2 private key (new format)” This failure occurs due to Putty’s lack of support for OpenSSH keys; instead, Putty uses its proprietary format. In this
Linux
The conventional method of logging into an SSH server involves entering a password, which can be cumbersome and, in some cases, less secure. In this article, we’ll explore the process of SSH Login Without Password on Linux, providing a streamlined and secure alternative. In this article, we will set
Linux
In this guide you will learn How To Configure Logrotate in Ubuntu. Log files are essential for monitoring system events, troubleshooting issues, and analyzing system performance. However, if left unchecked, log files can consume valuable disk space over time. This is where Logrotate, a powerful log rotation tool, comes into