RHEL AUDITD
Environment Red Hat Enterprise Linux (RHEL) 4 5 6 7 Issue How to monitor the permission change and ownership change […]
Ansible Automation Platform (awx) CLI Cheat Sheet — Tower CLI, Updated for AAP 2
Updated for 2026: this cheat sheet was written for Ansible Tower and its tower-cli. Tower is now Red Hat Ansible […]
VI Editor cheat sheet
vi mode commands Command Action k Move one line upwards l Move one character to the right h Move one […]
unix command openssl ciphers
ciphers – SSL cipher display and cipher list tool. SYNOPSIS openssl ciphers [-s] [-v] [-V] [-ssl2] [-ssl3] [-tls1] [-stdname] [cipherlist] DESCRIPTION The ciphers command […]
ubuntu – migrate packages from one server as a source to target server
root@source: ~/migration/packages root@source:~# dpkg –get-selections > selections.list # the whole inventory. the precise list comes later ubuntu – migrate packages […]
using sar to check Network stats / Packets
Monitoring network interface statistics command: sar -n DEV The report contains the following IFACE: Name of the network interface for […]