ubuntu - Karnsonline

Karnsonline

ubuntu

A collection of 7 posts

Burn exif meta data to photos

astrophotography

Burn exif meta data to photos

People always ask me "what were your camera settings for that photo", so I wrote some bash functions to burn the relevant data to the bottom of the image. The following bash functions assume a few things: * you are on a Mac or Linux system * You know how

Netcat Tar Pipe

Netcat Tar Pipe

Lets face it, sometimes we need to move massive amounts of data between servers. wouldn't it be great if it wasn't so darn slow? In some cases rsync would do the job just fine, but it gets slowed down when it has to do checksum checks

Ubuntu No space left on device with plenty of space left

Ubuntu No space left on device with plenty of space left

When attempting to use tab completion on my ubuntu 16.04 box running on an AWS EC2 instance I was greeted with the following error in the terminal. cannot create temp file for here-document: No space left on device with plenty of space left I ran the following command to

Apache Multi Instance & Simultaneous PHP Versions

Apache Multi Instance & Simultaneous PHP Versions

There are plenty of reasons you might want to use multiple versions of PHP on a server. In my case I needed to set up a staging server that will be used to demo various websites and web apps that have different PHP requirements. The following diagram shows the flow

Free SSL Encryption using Certbot and LetsEncrypt

Free SSL Encryption using Certbot and LetsEncrypt

Lets be honest folks. If SSL encryption is available free of charge and was easy to implement, wouldn't it be foolish not to use it? Here are some snippets to get you started using letsencrypt on your Ubuntu 16 LTS machine running Apache2. 1. Remove Letsencrypt (If previously

Ubuntu - Preload Answers to Apt Install

Whenever I install a package on a server I always create a bash provisioning script of the process so I can easily reproduce the installation in the future. One of the roadblocks you may run into while attempting to script an install is answering prompted questions for the install. Luckily

Delete LetsEncrypt Certificate from chain

Delete LetsEncrypt Certificate from chain

Ok, so LetsEncrypt is awesome but it has one MAJOR pitfall as of version 0.4.1-1 on Ubuntu, there is no delete option for the cli. There is however a workaround that will allow you to remove the domain from the cert renewal process and the chain. sudo rm