Georgiy Sitnikov GAS85

## battery_checker.md

      
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                GAS85
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              October 16, 2018 08:10
            
              
                Cubietruck + Battery + Armbian - shutdown server if critical battery level reached. Just added it to /etc/cron.hourly
              
          
    MOVED TO https://github.com/GAS85/cubietruck
I create a script that will try to send Warning Email and and shutdown the system as soon as it goes below 10%.
I put it in cron hourly and script should automatically check and do loop if battery discharging and below e.g. 80%.
E-Mail is needed because last time I did not know that my power supply died and I did not know why sever stopped. This version is also producing logs that could be checked after cubietruck fails. That helps for trouble shooting, e.g. to find out that power supply could not produce enough current to charge battery.
Log output example:

  
## apache2_restrictDirectAccess.md

      
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                GAS85
                / apache2_restrictDirectAccess.md
            
            
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              March 23, 2020 09:01
            
              
                Apache2 Restrict direct IP access to website
              
          
    Just added this into Apache2 config. E.g. /etc/apache2/sites-available/900-restrictDirectIP.conf and enable it afterwards.
<VirtualHost 192.168.0.1:80>
	ServerName 192.168.0.1
	Redirect 403 /
	ErrorDocument 403 "Sorry, direct IP access not allowed."
	DocumentRoot /var/www/html
	ErrorLog ${APACHE_LOG_DIR}/error_directIPAccess.log
	CustomLog ${APACHE_LOG_DIR}/access_directIPAccess.log combined

  
## fail2ban_cacti.md

      
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                GAS85
                / fail2ban_cacti.md
            
            
              Created
              May 20, 2020 07:54
            
              
                Harden Cacti with Fail2Ban
              
          
    Fail2Ban and Cacti

Prerequsits


Ubuntu 20.04
cacti, fail2ban and e.g. iptables are installed

Setup


## fail2ban_cacti_deprecated.md

      
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                GAS85
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              May 20, 2020 07:55
            
              
                Fail2Ban and Cacti - read MySQL table
              
          
    Fail2Ban and Cacti - read MySQL/MariaDB table

Please Note: This is an old way of working, for a newer please refer to https://gist.github.com/GAS85/4fd4715eb7c2c9f585dc0f6309940562

I took it from here, but becasue of newer MySQL it needs to be updated a bit.
Prerequsits


Ubuntu 16.04


## http2_apache2_ubuntu16.04.md

      
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                GAS85
                / http2_apache2_ubuntu16.04.md
            
            
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              February 7, 2023 16:17
            
              
                How to Enable HTTP/2 in Apache 2.4 on Ubuntu 16.04
              
          
Based on https://techwombat.com/enable-http2-apache-ubuntu-16-04/


This totorial is for an older Ubuntu 16.04, for a Ubuntu 18.04 please read here --> https://gist.github.com/GAS85/8dadbcb3c9a7ecbcb6705530c1252831 and for a Ubuntu 20.04 please read here* --> https://gist.github.com/GAS85/38eb5954a27d64ae9ac17d01bfe9898c


Requirements


A self-managed VPS or dedicated server with Ubuntu 16.04 running Apache 2.4.xx.
For Ubuntu 18.04 please read here --> https://gist.github.com/GAS85/8dadbcb3c9a7ecbcb6705530c1252831
A registered domain name with working HTTPS (TLS/SSL). HTTP/2 only works alongside HTTPS because most browsers, including Firefox and Chrome, don’t support HTTP/2 in cleartext (non-TLS) mode.


## http2_apache2_ubuntu18.04.md

      
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                GAS85
                / http2_apache2_ubuntu18.04.md
            
            
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              September 29, 2023 12:00
            
              
                How to Enable HTTP/2 in Apache 2.4 on Ubuntu 18.04
              
          
Based on https://gist.github.com/GAS85/990b46a3a9c2a16c0ece4e48ebce7300
This totorial is for an older Ubuntu 18.04, for a Ubuntu 20.04 please read here --> https://gist.github.com/GAS85/38eb5954a27d64ae9ac17d01bfe9898c

Requirements


A self-managed VPS or dedicated server with Ubuntu 18.04 running Apache 2.4.xx.
A registered domain name with working HTTPS (TLS/SSL). HTTP/2 only works alongside HTTPS because most browsers, including Firefox and Chrome, don’t support HTTP/2 in cleartext (non-TLS) mode.

Step 1: Install Apache2


## aria2c_webUI.md

      
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                GAS85
                / aria2c_webUI.md
            
            
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              November 28, 2023 13:41
            
              
                Aria2 + Ubuntu 18.04 + Apache2 + Web UI
              
          
    OS: Ubuntu 18.04 Apache/2.4.18 1.0.2g-1ubuntu4.10
Aim: to install Aria2 with WebUI and secure Token.
IP Addr of your Aria2 server is 192.168.0.111
Your local IP network is 192.168.0.0/24

Aria 2

1. Installation

Install aria2 package:

  
## apache2_portainer_fail2ban.md

      
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                GAS85
                / apache2_portainer_fail2ban.md
            
            
              Last active
              November 29, 2023 09:49
            
              
                Harden Portainer and Apache2 Reverse Proxy with fail2ban 
              
          
    Fail2ban and Portainer with Apache2 Reverse Proxy

Prerequsits


Ubuntu 22.04
Portainer with Remote access
apache2 as reverse proxy e.g. as described here
fail2ban and e.g. iptables are installed
Portainer is accesible via https://YourDomain/portainer/


## apache2_pihole.md

      
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                GAS85
                / apache2_pihole.md
            
            
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              December 6, 2023 03:20
            
              
                Apache2 config for pihole with custom / non-admin link
              
          
    Prerequisites


Ubuntu 18.04+
Apache 2.4.18 or higher setup as described here https://gist.github.com/GAS85/8dadbcb3c9a7ecbcb6705530c1252831
OpenSSL 1.0.2g-1ubuntu4.10 or higher
e.g. LetsEncrypt certificate

Install Pihole

Install pihole from the official repo as described here: https://github.com/pi-hole/pi-hole#one-step-automated-install, e.g. via

  
## apache2_transmission_fail2ban.md

      
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                GAS85
                / apache2_transmission_fail2ban.md
            
            
              Created
              June 22, 2020 08:04
            
              
                Harden Transmission and Apache2 Reverse Proxy with fail2ban
              
          
    Fail2ban and Transmission with Apache2 Reverse Proxy

Prerequsits


Ubuntu 20.04
Transmission with Remote access
apache2 as reverse proxy
fail2ban and e.g. iptables are installed
Transmission is accesible via https://YourDomain/transmission/webui