Linux, Tech stuff & more

A list of my old-fashioned, unmaintained and not really useful notes. I'm keeping them just for historical purposes, but they refer to unsecure and not-used-anymore programs and operating systems. Use them at your own risk (or, better, DO NOT USE them).

• Install Zabbix Server 4.0 on Ubuntu 16.04 LTS
• Install Zabbix Agent 4.0 on Ubuntu 16.04 LTS / Debian 9
• Templates
  • SNMP QNAP Template - v3.x tested with Zabbix 3.x and 4.0
  • SNMP APC ATS Template - v3.x tested with Zabbix 3.x and 4.0

• Install Zabbix Server 2.2 in Debian 7 (Wheezy)
• Install Zabbix Agent 2.2/2.4 in Debian 7 (Wheezy)
• APC UPS Monitoring using apcupds (without SNMP)
• Fix long queues (too many delayed items)
• Configure an Active Agent
• Improved SNMP Zabbix 2.0 Template for QNAP devices
• Monitor MySQL using Zabbix Agent and MySQL App Template

• How to fix net-snmp SNMPv2-PDU error in Debian 9
• How to fix net-snmp errors in Debian 7

• Simple Mail server - Part 1 - Setup mail server for alias-based forwarding
• Simple Mail server - Part 2 - Add MailBoxes, WebMail, AntiSpam etc
• Simple Mail server - Part 3 - Enable Fail2ban for your mail server
• Setup a fake/test mail server with Python
• Manage Postfix mail queue
• Send mails from command line
• Fix (un)common errors in /var/log/mail.log
• Relaying mail with Postfix and Stunnel through an SMTPS smarthost on port 465

• Use Page Ranges in PyPDF2 PdfFileMerger
• Change PDF image quality with gs

• Fix XAMPP netstat command not found
• Connect to Raspberry Pi OS via VNC using Remmina
• Setup a VPN Server with WireGuard on Debian 9
• Install UniFi controller 5.8 on Ubuntu 16.04 LTS
• Grab a webcam and create a time-lapse video
• Compress Canon EOS MOV videos to MKV (and save up to 90% space)
• Some tricks and useful-to-remember apt options
• Batch image processing with mogrify
• Let apt choose the fastest mirror for you
• Use Python 3.4 + MySQL Connector on Debian 7 Wheezy
• Update Debian Wheezy using backports
• Fix Remmina RDP "Unable to connect" error
• Install TFTP server in Ubuntu
• URLs for live streams of Italian radios
• TinyWireS Arduino Library for ATtiny44
• Aggressive fail2ban settings
• Install LaTeX on Ubuntu 17
• Avoid duplicated cron jobs with flock
• Scout
  • Il grande gioco di Bertoldo
• ESP8266
  • ESP8266 - General hardware info
  • ESP8266 - Firmware and Arduino programming info
  • ESP8266 - Open hardware dev board