Home
Sysadmin
English Polski
light dark
  • About me
  • Blog
  • Gear
  • Archive
  • Privacy policy
  • Tags
  • Categories
  • Series
English Polski
light dark
About me Blog Gear Archive Privacy policy
SYSADMIN
Administration, security and hardening of Linux
How to change the grey background on lock screen in Elementary OS
How to change the grey background on lock screen in Elementary OS
πŸ“… 2019-12-21 Β· β˜• 1 min read Β· 🐧 sysadmin
How to change the grey background on lock screen in Elementary OS

Access Control List in Linux
Access Control List in Linux
πŸ“… 2019-11-11 Β· β˜• 1 min read Β· 🐧 sysadmin
Access Control List in Linux

How to Lock and Unlock User in Linux
How to Lock and Unlock User in Linux
πŸ“… 2019-11-10 Β· β˜• 1 min read Β· 🐧 sysadmin
How to Lock and Unlock User in Linux

Kevin Mitnick talks about security in IT
Kevin Mitnick talks about security in IT
πŸ“… 2019-11-05 Β· β˜• 1 min read Β· 🐧 sysadmin
Kevin Mitnick talks about security in IT

The mind behind Linux – Linus Torvalds – TED
The mind behind Linux – Linus Torvalds – TED
πŸ“… 2019-11-05 Β· β˜• 1 min read Β· 🐧 sysadmin
The mind behind Linux – Linus Torvalds – TED

China’s Web Junkies: Internet Addiction Documentary
China’s Web Junkies: Internet Addiction Documentary
πŸ“… 2019-11-03 Β· β˜• 1 min read Β· 🐧 sysadmin
China’s Web Junkies: Internet Addiction Documentary

Managing special permissions and sticky bit in Linux
Managing special permissions and sticky bit in Linux
πŸ“… 2019-11-02 Β· β˜• 1 min read Β· 🐧 sysadmin
Managing special permissions and sticky bit in Linux

Mod_security rules for WordPress
Mod_security rules for WordPress
πŸ“… 2019-10-23 Β· β˜• 4 min read Β· 🐧 sysadmin
Mod_security rules for WordPress

RHCSA – chmod – change file and directory permissions
RHCSA – chmod – change file and directory permissions
πŸ“… 2019-10-04 Β· β˜• 1 min read Β· 🐧 sysadmin
RHCSA – chmod – change file and directory permissions

RHCSA – User passwords. Add groups and users to groups
RHCSA – User passwords. Add groups and users to groups
πŸ“… 2019-10-03 Β· β˜• 1 min read Β· 🐧 sysadmin
RHCSA – User passwords. Add groups and users to groups

RHCSA – Adding users
RHCSA – Adding users
πŸ“… 2019-10-03 Β· β˜• 1 min read Β· 🐧 sysadmin
RHCSA – Adding users

  • 1
  • …
  • 10
  • 11
  • 12
  • 13
  • 14

sysadmin

sysadmin
QA & Linux Specialist
Fujitsu Technology Solutions
Łódź, Poland
https://sysadmin.info.pl/

Support the author with
buycoffee QR Code
buymeacoffee QR Code
Blog
  • Ubuntu installation on AtomMan - step-by-step
  • Step-by-Step AI Agent Development - From Python to Ansible
  • Fundamentals of Ansible playbooks
  • Disabling the cups-browsed service on multiple systems using Ansible
  • Getting started with ESP32 in Debian 12 - a step-by-step guide

Categories AI 1 Ansible 17 Copilot 3 Docker 7 Documentaries 6 ESP32 1 Gauge 12 General 3 Git 1 GitLab 10 Home Assistant 18 IT Security 12 Jenkins 7 Linux 18 Mikr.us 3 Node.js 12 Npm 12 OpenAI 4 OpenShift 1 OpenvSwitch 2 Qemu KVM 4 Raspberry Pi 34 RHCSA 11 Taiko 12 WordPress 1
Series AI 1 Ansible 17 ChatGPT 4 Conky 1 Copilot 3 Docker 1 ESP32 1 Git 1 GitLab 7 Jenkins 7 Kubernetes 24 OpenShift 1 Qemu KVM 6 RHCSA 11 Taiko 9 Ulanzi TC001 Smart Pixel Clock 13 Water Cooling for CM4 / Raspberry Pi 9 Z-Wave 1


Β©2025, sysadmin - All rights reserved