Archives de catégorie : Technical

Announcing the sosreport charm

Publié le 22 décembre 2016 par Louis

Introduction For a while now I have been actively maintaining the sosreport debian package. I am also helping out making it available on Ubuntu. I also have had multiple requests to make sosreport more easily usable in a Juju environment. … Continuer la lecture →

Publié dans Cloud, Juju, Technical, Ubuntu Server | Laisser un commentaire

gtimelog power usage

Publié le 14 décembre 2015 par Louis

gtimelog is a great tool to keep track of the time you spend  on your work. To me, its major advantage is to log the time at the end of the task and not at the beginning. The format of … Continuer la lecture →

Publié dans Canonical, Technical | Un commentaire

kdump-tools enhancements to use smaller initrd.img

Publié le 19 octobre 2015 par Louis

While testing the upcoming release of Ubuntu (15.10 Wily Warewolf), I ran over a bug that renders the kernel crash dump mechanism unusable by default : LP: #1496317 : kexec fails with OOM killer with the current crashkernel=128 value The … Continuer la lecture →

Publié dans Non classé, Technical, Ubuntu Server | Marqué avec , , , , | Laisser un commentaire

Custom partitioning with Maas and Curtin

Publié le 26 juin 2015 par Louis

Introduction Once in a while, I get to tackle issues that have little or no documentation other than the official documentation of the product and the product’s source code.  You may know from experience that product documentation is not always … Continuer la lecture →

Publié dans Canonical, Cloud, Technical, Ubuntu Server | 4 commentaires

iSCSI and Device mapper Multipath test setup

Publié le 30 septembre 2014 par Louis

I have seen this setup documented a few places, but not for Ubuntu so here it goes. I have used this many time to verify or diagnose Device Mapper Multipath (DM-MPIO) since it is rather easy to fail a path … Continuer la lecture →

Publié dans Canonical, Industry, Technical, Ubuntu Server | Laisser un commentaire

Ubuntu Trusty on the Elitebook EVO 850

Publié le 5 septembre 2014 par Louis

After three years of hard work, it is time to retire my 8440p and let the family enjoy its availability. For my new workhorse, I have chosen the HP Elitebook EVO 850 that fit my budget and performance requirement. TL;DR … Continuer la lecture →

Publié dans Technical, Ubuntu Desktop | Un commentaire

remote kernel crash dump : More testing needed

Publié le 17 juin 2014 par Louis

A couple of weeks ago I announced that I was working on a new remote functionality for kdump-tools, the kernel crash dump tool used on Debian and Ubuntu. I am now done with the development of the new functionality, so … Continuer la lecture →

Publié dans Technical, Ubuntu Server | Un commentaire

remote kernel crash dump for Debian and Ubuntu

Publié le 20 mai 2014 par Louis

A few years ago, while I started to participate to the packaging of makedumpfile and kdump-tools for Debian and ubuntu. I am currently applying for the formal status of Debian Maintainer to continue that task. For a while now, I … Continuer la lecture →

Publié dans Canonical, Technical, Ubuntu Server | Laisser un commentaire

Juju, maas and agent-name

Publié le 28 novembre 2013 par Louis

While working on a procedure with colleagues, I ran into an issue that I prefer to document somewhere. Since my blog has been sleeping for close to a year, I thought I’d put it here. I was running a set … Continuer la lecture →

Publié dans Technical | Laisser un commentaire

Installing Ubuntu Quantal with Full disk encryption

Publié le 25 octobre 2012 par Louis

For historical reasons, I have been installing my Ubuntu laptop on a fully encrypted disk for years.  Up until now, I needed to use the alternate CD since this was the only possibility to install with full disk encryption. This … Continuer la lecture →

Publié dans Technical, Ubuntu Desktop | Laisser un commentaire