Installing GitLab CI on Ubuntu
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Server preparation: Let’s first update the list of packages in the repositories, set the correct time and open ports in the firewall. Update package lists: Set the timezone: To automatically…
TCPdump – completely guide. How to use tcpdump.
Listing network interfaces in tcpdump: In order to show a list of network interfaces used in the system, you must specify the -D parameter Capturing packets from a specific network…
Using pipeline in Jenkins
This tutorial provides basic information about the pipeline in Jenkins. We’ll walk through add-ons installation, job creation, and move on to the process of processing the code in the stage.…
How to install Jenkins on Ubuntu
The Jenkins web application is written in java and we will additionally install the openjdk package for its operation. This instruction is written on the example of Ubuntu Server 20.04.…
Running Elastic stack (ELK) in Docker containers with Docker Compose
The Elastic Stack (ELK) consists of 3 open source components that work together to implement log collection, analysis, and visualization. The 3 main components are: Elasticsearch is the core of…
How to run Netbox IPAM in Docker containers
Running Netbox in Docker containers is very easy as it avoids the tedious installation of dependencies like Python, Django, etc. Before you get started, make sure your system is up…
Install stack Elasticsearch, Kibana, Logstash on Ubuntu
Elasticsearch provides a search engine, Kibana is a web interface for working with Elasticsearch, Logstash is a tool for collecting logs and transferring them to Elasticsearch. Thus, the Elasticsearch +…
How to set up automatic disk mounting in Linux
All settings are shown on the example of a CentOS system and are applicable to any Linux distribution. Mount by drive name Open the following file for editing: and add…
How to install AWX Ansible Tower to MicroK8s
Install and prepare MicroK8s You need to run following commands. It allows you to run commands without needing sudo privileges: Enable necessary add-ons: Create alias and you can use just…