Linux

Debian Linux in – Gentoo Linux out

As I write this post my last Gentoo Linux server is about to be converted to be a Debian Etch server. This is a sad decision I’ve made since I’ve used Gentoo Linux running web, mail and databases since version 1.0RC1 december 2000 both in stable and unstable versions. This is a result of less […]

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Network

Getting iptables to survive a reboot

As far as I know Debian doesn’t have any defined way to save your iptables rules. I’ve done it this way: First I’ve made my iptables rules and made sure they work. Second is to save those rules to a configuration file iptables-save > /root/scripts/iptables.save I always try to save my custom scripts and required […]

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Security

Allow NFS through iptables on a RedHat system

This post describes how you can configure your RedHat Enterprise WS 4 NFS system behind a iptables firewall to be available for clients outside the firewall on a permanent basis. Symptom NFS relies on portmap to assign the ports on which it will listen. One side effect of this is that the ports are randomly […]

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Photo etc

Rename image files according to EXIF date

This rename trick can be run in Windows, Linux and even Mac since the commandline program I’m going to use, exiv2, is available in all three platforms. Rename all image files in current folder to the format YYYYMMDDHHMM_Filename.EXT This has been tested on my Nikon D80 JPEG and NEF image files. Linux exiv2 -r’%Y%m%d-%H%M_:basename:’ rename […]

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Scripting

SFTP in batch mode

This post describes how you use sftp in batch mode. If you don’t want to type in your password read my SSH without a password post.Create a file named myCommands.sftp that contains the commands you want to run. My file looks like this # Change to your desired directory locallylcd /data/Hattori# Change to the desired […]

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