Setup rsyslog Client Forwarder on Raspberry Pi
This tutorial will show you how to setup syslog on your raspberry pi to send information to another syslog server.
‘optiPNG’ vs ‘PNGcrush’ vs ‘Gimp’ to Reduce PNG Size
Which is better? NEITHER! optipng and pngcrush are dated tools, but they are free, and surprisingly still work. Here are some comparisons on compression levels on a PNG file vs the same file as JPG format.
cygwin ssh-agent and ssh-add Automated Passwords
This article is how to automatically add your private key to your ssh-agent keyring each time you open a shell (and remove it automatically when you close it). ssh-add and ssh-agent work on most variants of linux and unix, but also works on cygwin.
How to Setup LAMP Stack Ubuntu 18.04 LTS
There are many guides to setting up a LAMP stack. LAMP stands for Linux, Apache, MySQL and PHP and is the basis for many web servers. This guide will show you one method of setting up a LAMP stack. These items can be installed using other ways such as using tasksel in ...
Set VIM Color Syntax
If you are working in VIM and want syntax highlighting enabled or disabled you simply type: Syntax On Shell :syntax on 1 :syntax on or Syntax Off Shell :syntax off 1 :syntax off This can be set as default on or off in your ~/.vimrc config file. What does Syntax Highlighting Look Like? Here is a side by side comparison of bash script highlighting: VIM Syntax Help If you want the ...
Update only Security Release with apt-get
How do you upgrade only a portion of the available upgrades in Ubuntu? We were troubleshooting which update was breaking wordpress and needed to install only a few updates a time. Normal Ubuntu Upgrades To upgrade the suggested release updates on Ubuntu, you normally run the following update command: Shell sudo apt-get update sudo apt-get upgrade 12 sudo apt-get updatesudo apt-get ...
How to Download Files With Wget
Wget is a great tool for automating the task of downloading entire websites, files, or anything that needs to mimic a traditional web browser. This article discusses many of the things that you can use wget If wget isn’t installed you can use either apt, yum to install it: Installing Wget on Debian, Ubuntu Install wget Debian, ...
Disable IPv6 Ubuntu 18.04
IPv6 shouldn’t be disabled you say? You’re probably right. Here is how you do it anyway: What is IPv6? IPv6 is a network communication protocol stack for addressing. IPv4 is the “old” way, and is supported nearly everywhere. IPv6 addressing support is quickly becoming available everywhere too (10% usage in ...
Enable ed25519 SSH Keys Auth on Ubuntu 18.04
By now, you probably know you should be using keys instead of passwords. This article details how to setup password login using ED25519 instead of RSA for Ubuntu 18.04 LTS.
Bash Script Update UFW Rule for Dynamic Host
Bash script using cron to update UFW rules on Ubuntu for Dynamic Hosts and remote access.