Posts by Category

System Administration

Puppet Extension Points - part 2

15 minute read

After the first part in this series of article on Puppet extensions points, I’m proud to deliver a new episode focusing on Types and Providers. Note that th...

Puppet Extension Points - part 1

8 minute read

It’s been a long time since my last blog post, almost a year. Not that I stopped hacking on Puppet or other things (even though I’m not as productive as I ha...

Benchmarking puppetmaster stacks

3 minute read

It’s been a long time since my last puppet blog post about file content offloading. Two puppetcamps even passed (more on the last one in a next blog article)...

The definitive recipe for Wordpress Gengo to WPML conversion

2 minute read

The Days of Wonder News Center is running Wordpress which until a couple of days used Gengo for multilingual stuff. Back when we started using Wordpress for ...

More Puppet Offloading

5 minute read

Puppet really shines at configuration management, but there are some things it is not good at, for instance file sourcing of large files, or managing deep hi...

Puppet Memory Usage - not a fatality

7 minute read

As every reader of this blog certainly know, I’m a big fan of Puppet, using it in production on Days of Wonder servers, up to the point I used to contribute ...

mysql-snmp 1.0 - SNMP monitoring for MySQL

2 minute read

I’m really proud to announce the release of the version 1.0 of mysql-snmp. What is mysql-snmp? mysql-snmp is a mix between the excellent MySQL Cacti Templa...

Nginx upload progress module v0.8!

less than 1 minute read

Yes, I know… I released v0.7 less than a month ago. But this release was crippled by a crash that could happen at start or reload. Changes Bonus in this ne...

Nginx upload progress module v0.7!

1 minute read

I’m proud to announce the release of Nginx Upload Progress module v0.7 This version sees a crash fix and various new features implemented by Valery Kholodko...

MySQL InnoDB and table renaming don’t play well…

4 minute read

At Days of Wonder we are huge fans of MySQL (and since about a year of the various Open Query, Percona, Google or other community patches), up to the point w...

My Puppet Camp slides appearing on the slideshare homepage!

less than 1 minute read

This morning I got the joy to see that my Puppet Camp 2009 slides had been selected by Slideshare to appear on their home page:

Puppet Camp 2009 debriefing time!

1 minute read

I attended Puppet Camp 2009 in San Francisco last week. It was a wonderful event and I could meet a lot of really smart developers and sysadmins from a lot o...

Storeconfigs (advanced) use cases

6 minute read

This week on #puppet, Nico asked for a storeconfigs live example. So I thought, a blog post would be perfect to post an example of a storeconfigs use case an...

New SSL features for Nginx

1 minute read

As a Puppet Mongrel Nginx user, I’m really ashamed about the convoluted nginx configuration needed (two server blocks listening on different ports, you need ...

Nginx secure link module with TTL

2 minute read

It’s been a long time since my last post… which just means I was really busy both privately, on the Puppet side and at work (I’ll talk about the Puppet side ...

Puppet and JRuby a love story!

2 minute read

As announced in my last edit of my yesterday post Puppet and JRuby a love and hate story, I finally managed to run a webrick puppetmaster under JRuby with a ...

Puppet and JRuby, a love and hate story

3 minute read

Since I heard about JRuby about a year ago, I wanted to try to run my favorite ruby program on it. I’m working with Java almost all day long, so I know for s...

In love with zsh, part 1

10 minute read

Note: when I started writing this post, I didn’t know it would be this long. I decided then to split it in several posts, each one covering one or more inter...

Introducing mysql-snmp!

1 minute read

Thanks to Days of Wonder the company I work for, I’m proud to release in Free Software (GPL):

PLD to the rescue!

2 minute read

There is something I used to hate to do. And I think all admins also hate to do that.

OMG!! storeconfigs killed my database!

7 minute read

When I wrote my previous post titled all about storedconfigs, I was pretty confident I explained everything I could about storedconfigs… I was wrong of cours...

All about Puppet storeconfigs

5 minute read

Since a long time people (including me) complained that storeconfigs was a real resource hog. Unfortunately for us, this option is so cool and useful.

Help! Puppetd is eating my server!

4 minute read

This seems to be recurrent this last 3 or 4 days with a few #puppet, redmine or puppet-user requests, asking about why puppetd is consuming so much CPU an...

Failed upgrade, impossible to downgrade… Oh my…

3 minute read

In the Days of Wonder Paris Office (where is located our graphic studio, and incidentally where I work), we are using Bacula to perform the multi-terabyte ...

February Puppet Dev Call

1 minute read

Yesterday we had the February Puppet Dev Call with unfortunately poor audio, lots of Skype disconnections which for a non native English speaker like me re...

The curse of bad blocks (is no more)

2 minute read

If you like me are struggling with old disks (in my case SCSI 10k RPM Ultra Wide 2 HP disks) that exhibits bad blocks, here is a short survival howto.

Puppet Memory Leaks… Or not…

3 minute read

From time to time we get some complaints about so-called Puppet memory leaks either on #puppet, on the puppet-user list or in the Puppet redmine.

Net-Snmp doesn’t detect interface speed on Linux

less than 1 minute read

Have you ever wondered why net-snmp doesn’t report a ccomments: true orrect interface speed on Linux?

OpenNMS JDBC Stored Procedure Poller with MySQL

1 minute read

Since a few months we are monitoring our infrastructure at Days of Wonder with OpenNMS. Until this afternoon we were running the beta/final candidate versio...

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Puppet

Puppet Internals: the parser

12 minute read

As more or less promised in my series of post about Puppet Extension Points, here is the first post about Puppet Internals.

The Indirector - Puppet Extension Points 3

9 minute read

This article is a follow-up of those previous two articles of this series on Puppet Internals:

Puppet Extension Points - part 2

15 minute read

After the first part in this series of article on Puppet extensions points, I’m proud to deliver a new episode focusing on Types and Providers. Note that th...

Puppet Extension Points - part 1

8 minute read

It’s been a long time since my last blog post, almost a year. Not that I stopped hacking on Puppet or other things (even though I’m not as productive as I ha...

Puppet SSL explained

14 minute read

The puppet-users or #puppet freenode irc channel is full of questions or people struggling about the puppet SSL PKI. To my despair, there are also people wan...

Benchmarking puppetmaster stacks

3 minute read

It’s been a long time since my last puppet blog post about file content offloading. Two puppetcamps even passed (more on the last one in a next blog article)...

More Puppet Offloading

5 minute read

Puppet really shines at configuration management, but there are some things it is not good at, for instance file sourcing of large files, or managing deep hi...

Puppet Memory Usage - not a fatality

7 minute read

As every reader of this blog certainly know, I’m a big fan of Puppet, using it in production on Days of Wonder servers, up to the point I used to contribute ...

My Puppet Camp slides appearing on the slideshare homepage!

less than 1 minute read

This morning I got the joy to see that my Puppet Camp 2009 slides had been selected by Slideshare to appear on their home page:

Puppet Camp 2009 debriefing time!

1 minute read

I attended Puppet Camp 2009 in San Francisco last week. It was a wonderful event and I could meet a lot of really smart developers and sysadmins from a lot o...

Storeconfigs (advanced) use cases

6 minute read

This week on #puppet, Nico asked for a storeconfigs live example. So I thought, a blog post would be perfect to post an example of a storeconfigs use case an...

Planet Puppet is born!

1 minute read

As usual, I’m faster to create things than to talk about them.

New SSL features for Nginx

1 minute read

As a Puppet Mongrel Nginx user, I’m really ashamed about the convoluted nginx configuration needed (two server blocks listening on different ports, you need ...

Puppet and JRuby a love story!

2 minute read

As announced in my last edit of my yesterday post Puppet and JRuby a love and hate story, I finally managed to run a webrick puppetmaster under JRuby with a ...

Puppet and JRuby, a love and hate story

3 minute read

Since I heard about JRuby about a year ago, I wanted to try to run my favorite ruby program on it. I’m working with Java almost all day long, so I know for s...

OMG!! storeconfigs killed my database!

7 minute read

When I wrote my previous post titled all about storedconfigs, I was pretty confident I explained everything I could about storedconfigs… I was wrong of cours...

All about Puppet storeconfigs

5 minute read

Since a long time people (including me) complained that storeconfigs was a real resource hog. Unfortunately for us, this option is so cool and useful.

Help! Puppetd is eating my server!

4 minute read

This seems to be recurrent this last 3 or 4 days with a few #puppet, redmine or puppet-user requests, asking about why puppetd is consuming so much CPU an...

February Puppet Dev Call

1 minute read

Yesterday we had the February Puppet Dev Call with unfortunately poor audio, lots of Skype disconnections which for a non native English speaker like me re...

Puppet Memory Leaks… Or not…

3 minute read

From time to time we get some complaints about so-called Puppet memory leaks either on #puppet, on the puppet-user list or in the Puppet redmine.

1 minute read

Yesterday we had the February Puppet Dev Call with unfortunately poor audio, lots of Skype disconnections which for a non native English speaker like me re...

Puppet Memory Leaks… Or not…

3 minute read

From time to time we get some complaints about so-called Puppet memory leaks either on #puppet, on the puppet-user list or in the Puppet redmine.

How do you like your Mocks served?

2 minute read

I like them refreshing, of course:

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Ruby

Puppet Extension Points - part 2

15 minute read

After the first part in this series of article on Puppet extensions points, I’m proud to deliver a new episode focusing on Types and Providers. Note that th...

Puppet Extension Points - part 1

8 minute read

It’s been a long time since my last blog post, almost a year. Not that I stopped hacking on Puppet or other things (even though I’m not as productive as I ha...

More Puppet Offloading

5 minute read

Puppet really shines at configuration management, but there are some things it is not good at, for instance file sourcing of large files, or managing deep hi...

Puppet Memory Usage - not a fatality

7 minute read

As every reader of this blog certainly know, I’m a big fan of Puppet, using it in production on Days of Wonder servers, up to the point I used to contribute ...

Puppet Camp 2009 debriefing time!

1 minute read

I attended Puppet Camp 2009 in San Francisco last week. It was a wonderful event and I could meet a lot of really smart developers and sysadmins from a lot o...

Puppet and JRuby a love story!

2 minute read

As announced in my last edit of my yesterday post Puppet and JRuby a love and hate story, I finally managed to run a webrick puppetmaster under JRuby with a ...

Puppet and JRuby, a love and hate story

3 minute read

Since I heard about JRuby about a year ago, I wanted to try to run my favorite ruby program on it. I’m working with Java almost all day long, so I know for s...

All about Puppet storeconfigs

5 minute read

Since a long time people (including me) complained that storeconfigs was a real resource hog. Unfortunately for us, this option is so cool and useful.

Puppet Memory Leaks… Or not…

3 minute read

From time to time we get some complaints about so-called Puppet memory leaks either on #puppet, on the puppet-user list or in the Puppet redmine.

Back to Top ↑

MySQL

mysql-snmp 1.0 - SNMP monitoring for MySQL

2 minute read

I’m really proud to announce the release of the version 1.0 of mysql-snmp. What is mysql-snmp? mysql-snmp is a mix between the excellent MySQL Cacti Templa...

MySQL InnoDB and table renaming don’t play well…

4 minute read

At Days of Wonder we are huge fans of MySQL (and since about a year of the various Open Query, Percona, Google or other community patches), up to the point w...

Introducing mysql-snmp!

1 minute read

Thanks to Days of Wonder the company I work for, I’m proud to release in Free Software (GPL):

OMG!! storeconfigs killed my database!

7 minute read

When I wrote my previous post titled all about storedconfigs, I was pretty confident I explained everything I could about storedconfigs… I was wrong of cours...

All about Puppet storeconfigs

5 minute read

Since a long time people (including me) complained that storeconfigs was a real resource hog. Unfortunately for us, this option is so cool and useful.

OpenNMS JDBC Stored Procedure Poller with MySQL

1 minute read

Since a few months we are monitoring our infrastructure at Days of Wonder with OpenNMS. Until this afternoon we were running the beta/final candidate versio...

Back to Top ↑

Nginx

More Puppet Offloading

5 minute read

Puppet really shines at configuration management, but there are some things it is not good at, for instance file sourcing of large files, or managing deep hi...

Puppet Memory Usage - not a fatality

7 minute read

As every reader of this blog certainly know, I’m a big fan of Puppet, using it in production on Days of Wonder servers, up to the point I used to contribute ...

Nginx upload progress module v0.8!

less than 1 minute read

Yes, I know… I released v0.7 less than a month ago. But this release was crippled by a crash that could happen at start or reload. Changes Bonus in this ne...

Nginx upload progress module v0.7!

1 minute read

I’m proud to announce the release of Nginx Upload Progress module v0.7 This version sees a crash fix and various new features implemented by Valery Kholodko...

New SSL features for Nginx

1 minute read

As a Puppet Mongrel Nginx user, I’m really ashamed about the convoluted nginx configuration needed (two server blocks listening on different ports, you need ...

Nginx secure link module with TTL

2 minute read

It’s been a long time since my last post… which just means I was really busy both privately, on the Puppet side and at work (I’ll talk about the Puppet side ...

Back to Top ↑

mechanical keyboards

Designing a keyboard from scratch - Part 4

52 minute read

Welcome to the 4th episode of this series of articles about designing a full keyboard from scratch. So far we’ve seen:

Designing a keyboard from scratch - Part 3

33 minute read

Welcome for the third episode of this series of posts about designing a full fledged keyboard from scratch. The first episode focused on the electronic schem...

Designing a keyboard from scratch - Part 2

28 minute read

Updates

Designing a keyboard from scratch - Part 1

23 minute read

Updates

Handwired Keyboard Build Log - Part 2

17 minute read

In the handwired build log part 1 we saw a technique to build a nice keyboard matrix without using a PCB.

Handwired Keyboard Build Log - Part 1

10 minute read

Update 1: I’ve finished the second part of the serie

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DIY

Designing a keyboard from scratch - Part 4

52 minute read

Welcome to the 4th episode of this series of articles about designing a full keyboard from scratch. So far we’ve seen:

Designing a keyboard from scratch - Part 3

33 minute read

Welcome for the third episode of this series of posts about designing a full fledged keyboard from scratch. The first episode focused on the electronic schem...

Designing a keyboard from scratch - Part 2

28 minute read

Updates

Designing a keyboard from scratch - Part 1

23 minute read

Updates

Handwired Keyboard Build Log - Part 2

17 minute read

In the handwired build log part 1 we saw a technique to build a nice keyboard matrix without using a PCB.

Handwired Keyboard Build Log - Part 1

10 minute read

Update 1: I’ve finished the second part of the serie

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Monitoring

redis-snmp: redis performance monitoring through SNMP

2 minute read

The same way I created mysql-snmp a small Net-SNMP subagent that allows exporting performance data from MySQL through SNMP, I’m proud to announce the first r...

mysql-snmp 1.0 - SNMP monitoring for MySQL

2 minute read

I’m really proud to announce the release of the version 1.0 of mysql-snmp. What is mysql-snmp? mysql-snmp is a mix between the excellent MySQL Cacti Templa...

Introducing mysql-snmp!

1 minute read

Thanks to Days of Wonder the company I work for, I’m proud to release in Free Software (GPL):

Help! Puppetd is eating my server!

4 minute read

This seems to be recurrent this last 3 or 4 days with a few #puppet, redmine or puppet-user requests, asking about why puppetd is consuming so much CPU an...

OpenNMS JDBC Stored Procedure Poller with MySQL

1 minute read

Since a few months we are monitoring our infrastructure at Days of Wonder with OpenNMS. Until this afternoon we were running the beta/final candidate versio...

Back to Top ↑

War stories

The definitive recipe for Wordpress Gengo to WPML conversion

2 minute read

The Days of Wonder News Center is running Wordpress which until a couple of days used Gengo for multilingual stuff. Back when we started using Wordpress for ...

MySQL InnoDB and table renaming don’t play well…

4 minute read

At Days of Wonder we are huge fans of MySQL (and since about a year of the various Open Query, Percona, Google or other community patches), up to the point w...

PLD to the rescue!

2 minute read

There is something I used to hate to do. And I think all admins also hate to do that.

Failed upgrade, impossible to downgrade… Oh my…

3 minute read

In the Days of Wonder Paris Office (where is located our graphic studio, and incidentally where I work), we are using Bacula to perform the multi-terabyte ...

The curse of bad blocks (is no more)

2 minute read

If you like me are struggling with old disks (in my case SCSI 10k RPM Ultra Wide 2 HP disks) that exhibits bad blocks, here is a short survival howto.

Back to Top ↑

devops

Bootstrapping Windows servers with Puppet

16 minute read

All started a handful of months ago, when it appeared that we’d need to build some of our native software on Windows. Before that time, all our desktop softw...

FOSDEM and Config Management Camp 2014

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Uncategorized

Puppet and JRuby a love story!

2 minute read

As announced in my last edit of my yesterday post Puppet and JRuby a love and hate story, I finally managed to run a webrick puppetmaster under JRuby with a ...

First post!

less than 1 minute read

Hi,Welcome to my personal blog!

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Photography

Inexpensive but Powerful Photo Geotagging

3 minute read

It’s a long time since I blogged about photography, but I’m coming back from 2 weeks vacation in Sicily armed with my Nikon D700, so it’s the perfect time to...

No more slides, welcome to our Digital Overlords

4 minute read

If you had a look to my About Me page, you know that one of my hobby is photography. Until a couple of weeks ago, I was still doing analog photography with ...

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C

Nginx upload progress module v0.8!

less than 1 minute read

Yes, I know… I released v0.7 less than a month ago. But this release was crippled by a crash that could happen at start or reload. Changes Bonus in this ne...

Nginx upload progress module v0.7!

1 minute read

I’m proud to announce the release of Nginx Upload Progress module v0.7 This version sees a crash fix and various new features implemented by Valery Kholodko...

Back to Top ↑

Sysadmin

redis-snmp: redis performance monitoring through SNMP

Back to Top ↑

Masterzen

Posts by Category

System Administration

Puppet

Programming

Ruby

MySQL

Nginx

mechanical keyboards

DIY

Monitoring

War stories

devops

snmp

Java

puppet

Uncategorized

Photography

C

Sysadmin

Testing