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shell – Page 2 – Christophe Casalegno

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novembre 6, 2016 Christophe Casalegno Aucun commentaire

Under WordPress « Pingback » DDoS Attack ? Use iptables

WordPress « Pingback » DDoS attacks can generate a lot of requests to your website that can affect performances and availability. Â You can recognize easily this attacks : you just need to do a tail -f Â on your logs and you’ll probably see thousand of request that have a User-Agent « WordPress xxxx » on it. I don’t think …

juillet 8, 2016 Christophe Casalegno Aucun commentaire

How to quickly remove a lot of dns zones from bind ?

When you work for a MSP, a hosting company or a cloud operator, sometimes you need to delete a lot of dns zone in one time. If you need to delete 1500 zones with your hand and you keyboard, you ‘ll need week to do the job. So let me show you how you can …

mars 1, 2016 Christophe Casalegno 2 commentaires

Automatic bind 9 installer with chroot Debian 8

Hi all, install bind 9 on debian 8 and chroot it isn’t a complicated task. But that’s steal a precious time for doing something else. So this is just a tiny post to simplify you this way First Step : install Debian 8 Second step : Third step : just use wget to download the …

juillet 26, 2015 Christophe Casalegno Aucun commentaire

Serial DNS Updater : how to update automatically serial in dns zonefiles massively (or not)

When you work in a hosting company, DN is probably one of the services with you need to interact every week. With this script you can update automatically one or more of dns zone files : for the serial number : just let bash doing it for u. Because most of time we are not …

mars 25, 2012 Christophe Casalegno Aucun commentaire

How to extract email addresses from an arbitrary file

A very simple way to extract email addresses from an arbitrary file like a mysql file or another binary file, you can use the two commands strings and grep : Example : This command will parse all your mysql files and extract them without database connexion, : I have also tested with success this method …

janvier 20, 2012 Christophe Casalegno Aucun commentaire

Bind : how to modify serial number of all your dns zone with sed

You can simply use the sed command to do this : Go on your dns zone directory and : Example : That’s done, you can just restart bind :) â€“ Christophe Casalegno http://twitter.com/Brain0verride http://www.facebook.com/brain.override

mars 14, 2009 Christophe Casalegno 3 commentaires

Reboot « hard » de serveur linux, avec un shell

Il peut arriver que l’état d’instabilité d’un serveur dédié, rende impossible l’utilisation de la commande reboot. Par exemple des binaires corrompus, un système de fichier endommagé, ou tout simplement un état de charge qui ne permet pas un contrôle suffisant. Dans ce cas là, il est possible, lorsque l’on est devant le serveur d’utiliser les …