Negative numbers in binary · (about 1020 words) · 28 May 2019 · binary signed numbers

Disassembling Python bytecode · (about 295 words) · 12 Mar 2019 · python dis

Reading command line password argument with "ps" in Linux · (about 638 words) · 4 Mar 2019 · linux ps top /proc

Python: f-string formatting cheatsheet · (about 147 words) · 5 Nov 2018 · python f-string

Hunting for memory in Linux system (pstore) · (about 258 words) · 13 Aug 2017 · slabinfo pstore

Integrating uWSGI with New Relic using systemd and virtualenv · (about 269 words) · 5 Jul 2017 · python django virtualenv uwsgi new relic

Python: get remote IP from HTTP request using the requests module · (about 316 words) · 19 Jun 2017 · python requests

Let's encrypt with Nginx and systemd timers for renewal · (about 425 words) · 21 Feb 2017 · certbot nginx systemd

LAMP: Troubleshooting slow website with strace and lsof · (about 545 words) · 20 Feb 2017 · apache lamp lsof strace

Cisco ASA – Cheat Sheet · (about 237 words) · 24 Oct 2013 · asa cisco

CentOS/RHEL: Installing SHOUTcast Server · (about 1432 words) · 20 Sep 2012 · shoutcast

How-to extend a root LVM partition online · (about 432 words) · 26 Aug 2012 · lvm resize2fs

Creating GPG keys issue on CentOS with GNOME Desktop · (about 130 words) · 22 Aug 2012 · gpg passphrase pinentry

Regular-Expression (RegEx) · (about 206 words) · 27 Jul 2012 · regex

Adjusting child processes for PHP-FPM (Nginx) · (about 294 words) · 26 Jul 2012 · awk nginx php-fpm

MySQL: dump selected tables · (about 125 words) · 17 Jul 2012 · mysql mysqldump

How to determine the number of physical CPUs on Linux · (about 106 words) · 17 Jul 2012 · /proc/cpuinfo

Awk - Reporting Tool - Cheat Sheet · (about 847 words) · 14 Jul 2012 · bash awk linux

CentOS/RedHat: Secured phpMyAdmin on Nginx with SSL only · (about 553 words) · 12 Jul 2012 · nginx phpmyadmin

Restoring a KVM guest from corrupted resume state · (about 35 words) · 12 Jul 2012 · kvm virsh