Server
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Virtualization
How to oversell resources on KVM nodes with KSM Tuned
Unlike OpenVZ virtualization, KVM is a full virtualization product which means you cannot oversell KVM some resources as standard. KVM…
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Virtualization
The VIRSH Cheat Sheet. Common VIRSH Commands
VIRSH is a tool which is run on the command line to manage guest virtual servers and the hypervisor on…
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Linux
How to Open port IPTables – Close port IPtables
IPtables is the default firewall used on CentOS and RHEL systems. On most F2H services like NVMe VPS Servers or…
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IPs & Subnets
Configure Additional IPs On CentOS, RockyLinux and AlmaLinux
First2Host uses Failover IP blocks. Failover IP blocks allow us to point IP blocks at different servers and services. To…
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IPs & Subnets
Use a Range File to set up IP Subnets in your Linux Server
You can in some cases use a range file in Linux to set up a whole subnet inside your VPS…
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Linux
Install Screen on Linux Servers
Screen is a great program that allows you to run different things on different “screens” from the console. We will…
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Linux
How To Install Python3 On Linux
Python 3.6 has been released and in this guide, we are going to install python3 on a Linux CentOS NVMe…
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Linux
What is yum download-only on CentOS
Yum is the package installer for all RHEL-based systems. That’s Red Hat, CentOS, Oracle Linux and ClearOS to name a…
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Web Servers
How to set up an Ubuntu Dante SOCKS5 Proxy Server
Proxy servers have been around for years. A proxy server is a way of connecting to a website or service…
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Web Servers
How to set up a Linux Squid Proxy Server with multiple IPs
The Linux Squid Proxy software used to be extremely popular when the internet wasn’t using HTTPS and SSL certificates. Now…
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