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 synchronize the time, install the package: And enable autostart of
Continue readingTCPdump – 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 interface By default, Tcpdump listens on the lowest numbered network
Continue readingUsing 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. When installing Jenkins, the system prompts you to install the
Continue readingHow 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. System preparation We will update the list of packages, set
Continue readingRunning 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 the Elastic software. It is a search and analytical mechanism.
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