16

Oct

2017

Command Line Optimise JPEG image

October 16, 2017 jonny linux, shell

This command significantly improved file size on disk although the quality value can be increased to adjust the image quality versus file size:  

20

Aug

2017

Cropping / Masking a Video for Kdenlive

August 20, 2017 jonny gimp

I was helping a friend with creating a video and we need to mask out the distracting content around the video subject. If I had this problem with a static image I would use Gimp and the 'Crop' tool but I couldn't find anything in Kdenlive to allow me to... » More

03

Aug

2017

Managing RDP Remote Desktop Sessions/Users

August 3, 2017 jonny windows

It took me a little digging to re-discover the name of this tool that allows remotely logging RDP users off from other servers so I thought I would write it down in case I need a reminder. The command to run is: tsadmin.msc Or it can be added... » More

14

Jul

2017

Laravel Quick Start

July 14, 2017 jonny php

Quick reminder of steps to setup a Laravel project on Ubuntu/Linux Mint and similar. First install composer: Install PHP dependencies:   Use composer to create your Laravel project: Install composer.json... » More

11

Jul

2017

Resetting Root Password in Single User Mode

July 11, 2017 jonny red hat centos

Using Red Hat  / CentOS etc one method of resetting the root user password is to boot into single user mode. To do so, interrupt the booting process if necessary so that you see the Grub boot menu: Press the 'e' keyboard button to edit the boot... » More

19

May

2017

Password-less Login to the MySQL Command Line

May 19, 2017 jonny mysql

The goal here was to be able to log in to the MySQL command prompt be simply typing rather than: This is particularly useful for automation of routine backups etc. mysql_config_editor The command mysql_config_editor has several options (e.g. add,... » More

30

Nov

2016

Connecting in to Docker MySQL Instance

November 30, 2016 jonny docker, mysql

Just recording a few of these steps for future reference. Pull the MySQL image from the hub: Run an instance: Run a shell on the instance: Once inside the instance use the MySQL client: and create a new user: Quit the MySQL client and... » More

17

Oct

2016

Gitlab Bulk Update can_create_group

October 17, 2016 jonny red hat centos

I had been allowing normal users to create groups within Gitlab but subsequently discovered some confusion among users between groups and projects. Some users had been creating a group with a single project when a project with multiple members was more... » More

07

Jun

2016

sssd ldap: No Group Members shown

June 7, 2016 jonny red hat centos

With several machines configured to use OpenLdap for user and group authentication/permissions I was having the problem that the getent and id commands were not returning all the group information. My groups exist in the Ldap directory with members... » More

17

May

2016

Minecraft Overviewer

May 17, 2016 jonny featured

Just some instructions to remind myself how I got the Minecraft Overviewer working on CentOS. Now create a config file to tell Overviewer where the assets (texture images etc) are: Then run Overviewer telling it the location of your config... » More