Let’s Encrypt SSL certificate without root or sudo privileges
Five days ago we had to renew a number of SSL certificates using free Let’s Encrypt SSL authority to a few Apache servers which were installed in Jelastic Pa...
Recent Posts
Migrate a Gitlab Docker container from version 8.0.4 to 8.2.0
Update 2016-05-13: The following procedure works perfectly for migrations from version 8.0.4 to 8.7.5
JSON remove new lines via Linux and use it as string variable and as param in cURL POST request
Today I had to parse a JSON response in a JUnit test and then reuse it in a cURL command line call. Unfortunately I could not read the JSON response from a f...
Solr fix corrupted index using Lucene
A few days ago, a Solr server in our SolrCloud installation stopped unexpectedly. After examining solr.log file I spotted that it could not start again becau...
Linux: Extract audio and video using ffmpeg
Today I had some mp4 video files and I wanted to extract the audio and video into separate files. So to do that you can do the following: