Category: Linux

OpenVPN installation quick tutorial

Just a quick introduction for OpenVPN installation since there is a good work from https://github.com/Nyr/openvpn-install that helps install in 1-click. I just add some extra notes when installing as well as connecting for …

Install OpenVPN server CentOS 7

Today I will brief necessary steps for installing OpenVPN server CentOS 7. This will include custom server name and also rules for csf firewall which is widely used. The OpenVPN server …

Install Chef server Lets Encrypt

Do not want to mention what Chef is, or what Let’s Encrypt is. This is just a short step-by-step tutorial to guide you how to install Chef server Lets Encrypt …

Migrate Gitlab to new server

When migrating gitlab to a new server, you might face much problems of in-compatible versions, different OS (so different latest gitlab version), etc. The best way is to upgrade the …

Backup Proxmox with NFS

Well, there are plenties of online tutorials about proxmox and backup itself, however, there is really difficult to find a working one with NFS installation, configuration and make it work with …

Promox VM cannot connect to internet

These days I have been working with many Proxmox Containers for virtualization, both OpenVZ and KVM. When running some CentOS VM inside containers, I faced the problem of internet connection when …

Install ElasticSearch on CentOS

In this tutorial, I will write down step-by-step guide on how to install ElasticSearch on CentOS. Well, if you do not know what is ElasticSearch, then it can be defined …