Bash: Features of Arithmetic Operations - Increment ((expression++))
When testing the host availability check script I mentioned last time, I encountered an interesting Bash feature when performing arithmetic operations💪.
Posts
Here are all published articles, sorted by date in descending order.
254 posts total
26 pages total
Obsidian — a progressive note-taking tool for PC and smartphone
In this note I'll talk about an application for keeping and structuring notes — Obsidian. We'll install and configure it, connect several plugins: for quickly saving pages from the browser and Telegram posts. We'll also set up cloud sync, so notes are available on all your devices.
Bash: Writing a Universal Host Availability Check Script
Today we'll write a useful Bash script🧑💻 that performs various host availability checks on the network🌐. As an example, I'll show how to check connectivity using the `ping` utility🏓 and run a traceroute when it's lost⚡.
ShellGPT — an AI assistant in your Linux terminal
In this guide I'll explain how to integrate an AI assistant based on ChatGPT/Gemini/Ollama into your Linux system and interact with it in the terminal using a console application — ShellGPT.
Video Selection Number 7: Hackers, Cyberwars, NSA and Phone Hacks, and Their Realism in Cinema
Another video selection for the evening🧐: 5️⃣ interesting, in my opinion, videos about IT and related topics😉.
flock - Locks in Shell Scripts
In this note, we will talk about file locks in Bash scripts🔒 using the specialized utility flock.
Ollama — Local AI on your Linux PC
An article about how to easily install and run local Open Source AI🤖 models using Ollama🦙 on a PC running Linux🐧.
Desktop Wallpaper Selection №91-100
It has been a while since there were beautiful wallpapers. Another selection: №91-100. In the era of generative AI, photos taken by real people are becoming increasingly valuable. Although even here it is easy to be deceived.
SSH – Fine-tuning the client in Linux: config file and ssh-agent
Continuing the topic of using SSH in Linux🐧. Today we'll talk about fine-tuning the client using the ~/.ssh/config📄 configuration file, as well as automatic key import into ssh-agent😎 without entering passwords.
Building a Docker image for the Unbound DNS server
In this article we will build our own Docker image with a modern DNS server — Unbound. We'll take a detailed look at the Dockerfile, as well as my script for preparing the container environment.
12 minute
Hard