Operating Systems


Set VIM Color Syntax

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

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

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, ...

Use netstat to See Interface Statistics

Use netstat to See Interface Statistics

We can use netstat to see interface statistics including errors. This is typically done to verify that you have don’t have layer 1/layer 2 issues. For example if a switch port is configured for 100/Auto and the device expects 1000/Auto it may have issues. Setting both ports ...

Permanently Delete Files Windows Using Cipher

Permanently Delete Files Windows Using Cipher

The cipher program does a few interesting things. This post will talk about wiping free space, making it (realistically) unrecoverable using the free built in tool called cipher. Deleting Files As you probably know, deleting files doesn’t really “delete” them. It only makes the space available for future overwrite. This means that ...

Change Default Browser in Thunderbird Client

Change Default Browser in Thunderbird Client

I like thunderbird. It’s a free email client and lets me read all of my accounts at once. I hate that it defaults to edge browser though. There is no easy to find option for changing the default link handler in thunderbird. To fix this you need to edit your config profile. Click ...

Disable IPv6 Ubuntu 18.04

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

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 Update UFW Rule for Dynamic Host

Bash script using cron to update UFW rules on Ubuntu for Dynamic Hosts and remote access.

Linux Screen Tutorial

Linux Screen Tutorial

Screen is a shell layer that allows you to use one shell session, detach from it, and then reattach from a different computer where you left off.