Category Archives: Sysadmin

Installing Orbeon Forms, Tomcat and your application side by side on Ubuntu

One of the huge benefits of Debian based distributions (such as Ubuntu) is their packaging system that let you apply security updates on all the software that is installed on your system through a single command. It is a strong … Continue reading

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Merveilleux nuages sans bullshit

- Eh! qu’aimes-tu donc, extraordinaire étranger? – J’aime les nuages… les nuages qui passent… là-bas… là-bas… les merveilleux nuages! Charles Baudelaire, petits poèmes en prose Les nuages sont insaisissables et fascinants. Ils sont incroyablement variés et, du cirrus au  stratus, ils … Continue reading

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Posted in Français, Internet, Sysadmin | 2 Comments

See you in Prague

Just got the confirmation that I’ll be presenting a paper on XQuery injection at XML Prague March 26th or 27th. I look forward to attending once again this conference which in a few years has become one of the best … Continue reading

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Notes de migration de Gallery 2 vers WordPress et NextGEN Gallery

Quelques notes rapides prises lors de la migration de mes albums Gallery 2 vers le plugin WordPress NextGEN Gallery… Attention : les manipulations de bases de données décrites ici sont dangereuses et il n’y a aucune garantie qu’elles fonctionnent pour … Continue reading

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Debian/Ubuntu PHP packages and virtual hosts: introducing adminstance

As a short term way to deal with my Debian/Ubuntu PHP packages and virtual hosts issue, I have written a pretty crude Python script that I have called “adminstance“. This script can currently install, update and remove an instance of … Continue reading

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Posted in English, Internet, Sysadmin | 3 Comments

Debian/Ubuntu PHP packages and virtual hosts

I am a big fan of the Debian packaging system and use it on my Ubuntu systems as much as I can as it greatly simplifies both the installation of new software and more important their maintenance and security updates. … Continue reading

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Posted in English, Internet, Sysadmin | 1 Comment

Publishing GPG or PGP public keys considered harmful?

In a previous post, I have expressed the common thinking that digitally signed emails would be a strong spam stopper. I am still thinking that a more general usage of electronic signatures would be really effective to fight against spammers, … Continue reading

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Non content based antispam sucks

My provider has recently changed the IP address of one of my server and my logs are flooded with messages such as: Dec 7 08:21:57 gwnormandy postfix/smtp[22362]: connect to mx00.schlund.de[212.227.15.134]: server refused to talk to me: 421 Mails from this … Continue reading

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Posted in English, Internet, Sysadmin | 1 Comment

The complex simple problem of media types

Media types (previously called mime types) always stuck me as something which is simple in theory but awfully complex in practise. When they seem to be working, you can enjoy your luck and be sure that this is only temporary … Continue reading

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Posted in English, Internet, Sysadmin, XML | 2 Comments

Modifier les dependances d’un paquet Debian

Quand on installe des paquets provenant de sources non officielles, il arrive fréquemment que les dépendances déclarées dans les paquets ne correspondent pas au système sur lequel on installe ces paquets. C’est le cas par exemple lorsque l’on installe la … Continue reading

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Posted in Français, Sysadmin | 4 Comments