Computing and Networks

Generate new host keys after sysprep

After running sysprep on cloned virtual machine as explained here: libvirt work flow explained The host ssh keys will be wiped from the guest image (this is a good thing) meaning that you will no longer be able to ssh into that guest VM (this is a bad thing). Fortunately this easy fix. On Ubuntu,… Continue reading Generate new host keys after sysprep

Computing and Networks

explainshell.com is awesome

Ever come across a complex command line example on the internet and thought “what the hell is doing exactly?” and stated googling, diving into man files and other help systems. Well I came across this site today and putting it out there as a strong recommendation for bookmarking https://explainshell.com/ OK, awesome is over kill.  It… Continue reading explainshell.com is awesome

Computing and Networks

GDM display on the monitor you want

OK! Just a quick one, more a note to myself as I brain spaced when trying to get GDM to display on my desired monitor when my system first starts up. History: I have a duel monitor setup and I’m running Gnome3 and the GNOME Display Manager (GDM) which handles graphical user login, as well… Continue reading GDM display on the monitor you want

Computing and Networks

My libVirt clone/sysprep work flow

Seeing as I’m using a lot of virtual machines for various test and production environments, I thought I would give an insight into the the work flow I am currently using to speed up and ease my creation of VM’s. (also so I have a resource to fall back on). My workstation runs linux.  Using… Continue reading My libVirt clone/sysprep work flow

Computing and Networks

Peer certificate error when S/MIME signing email

THE PROBLEM: “Peer’s certificate issuer has been marked as not trusted by the user. (-8172) – Cannot add MS SMIMEEncKeyPrefs attribute”, you may need to select different mail options” THE SCENARIO: Right! so I have had this issue a couple of times.  Well in fact, once a year, every year, when I go through the… Continue reading Peer certificate error when S/MIME signing email

Computing and Networks

Using your iCloud address book in Linux

Not just linux but any application that supports WebDAV or CardDAV. Following on from previous posts about using Apples iCloud services on non Apple devices or operating systems.  See. – Apple CalDAV address…without .plist – Your Apple “secret” CalDAV address Once you have found the dsid for your iCloud account you will also need to… Continue reading Using your iCloud address book in Linux

Computing and Networks

youtube-dl bombs and needs updating (Ubuntu 17.04)

A very common error that occurs when using youtube-dl (it’s not just for youtube you know) is the dreaded: WARNING: unable to extract html5 player; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the –verbose flag and… Continue reading youtube-dl bombs and needs updating (Ubuntu 17.04)