Short summary: Use built-in Linux tools (`who`, `last`, `journalctl`, `/var/log/auth.log`) and optional audit logs to identify when, why, and who…
As a Linux system administrator, understanding what happens on your network is crucial. One of the most powerful tools to…
Grub Customizer is a powerful graphical tool for managing and configuring the GRUB bootloader. It provides an easy-to-use interface for…
How to Blacklist and Whitelist Email or Domain in Zimbra 8, in the previous article discussed How to Block Email…
Step 1 — Install Let’s Encrypt Certbot Let’s Encrypt provides CLI namely Certbot to generate the certificate sudo apt install certbot Step…
The Apache web server is the most popular way of serving web content on the internet. It accounts for more…
There can be a number of reasons for migrating from one mail server to another, the commonest being “running low…
Based on Solving my problem! Since the proxy uses HTTPS and Laravel uses HTTP Request as default you may try…
This article is a walkthrough for installing “Graylog Open 6” and leverages the documentation at “https://go2docs.graylog.org/current/downloading_and_installing_graylog/ubuntu_installation.html” and “https://www.mongodb.com/docs/manual/tutorial/install-mongodb-on-ubuntu/”. We’re using…
To stop all Docker containers simply run the following command in your terminal: docker kill $(docker ps -q) How It Works The…
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