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Remove Nginx

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Removes all but config files: or remove everything: After using any of the above commands, use this in order to remove dependencies used by nginx which are no longer required:

Install MySQL, Nginx and Zabbix on Debian 11

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At first, let’s update the packages: Next, download MySQL from the offical page or use wget command: Get the repo package When you attempt to install the package, it will ask you what product and version you want to install. Here you can select The MySQL version, Tools, Connectors (like MySQL Workbench), and preview packages. … Read more

Install Redis High Availability Architecture with Sentinel

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Redis Sentinel is a dedicated process to automate and simplify the Redis replication failover and switchover.

In this article, we will start with 3 Nodes. We will have two Redis instances on two different nodes – 1 master and 1 replica (or slave). Sentinel will be co-located on those 2 nodes, plus an additional node on one of our web servers.

Normally you would co-locate a Redis instance on the web/application server and access it via localhost or through a UNIX socket file. This is the straightforward way to incorporate Redis into the application.

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PSK in Zabbix

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Generate a key: Configuring PSK for server-agent communication On the hos, edit the zabbix agent file Add: Create the /etc/zabbix/zabbix.psk file: Restart the agent. Now you can test the connection using zabbix_get, for example: Configure PSK encryption for this agent in Zabbix frontend: Go to: Configuration → Hosts Select host and click on Encryption tab

Install Zabbix Agent2 Version 5.4 on Debian 10/11

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Get the package for Debian 10 Buster: Install the repo for Debian 10 Buster Get the package for Debian 11 Bulleye Install the repo for Debian 11 Bullseye For Agent 2 We now need to edit the configuration file to tell the agent where to find the server. Open /etc/zabbix/zabbix_agent2.conf in your preferred text editor … Read more

How to Install OpenVPN in Ubuntu 20.04

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Installing and configuring an OpenVPN server manually is not a simple task from my experience. For this reason, we will be using a script that lets you set up your own secure OpenVPN server in a matter of seconds. Before downloading and running the script, note that the script will auto-detect your server’s private IP … Read more

How To Set Up WireGuard on Ubuntu 20.04

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Install Wireguard Now that you have WireGuard installed, the next step is to generate a private and public keypair for the server. Use the following umask command to ensure new directories and files (in your current terminal session only) get created with limited read and write permissions: Now you can proceed and create the private … Read more

IPFS Training

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Training Videos A Technical Introduction To IPFS IPFS Simply Explained. Let’s take a look at how IPFS works, how it can solve issue’s like censorship and if it would really work across multiple planets! DEVCON1: IPFS – Juan Batiz-Benet