Howto's

Here are my howto's. Giv'em a shot and tell me what you think Thomas

Mail Server - Suse 9.3 - Building a mailserver with Courier, MySQL and Postfixadmin

Postfix Dshield map script - Dshield IP list as Postfix block map

Postfix URL Spam block script - Block mails containing known spam URL's

Mail Server - Ubuntu - Building a mailserver on Ubuntu Hardy Heron

Regex Stuff - Regex stuff

Secure Imap with SASL - Get Secure Email Through IMAP

Dspam ham-spam learning script

Setup a simple PXE server for install or rescue

Pure-FTPd and MySQL - Using Pure-FTPd with MySQL

Pure-FTPd and PureAdmin - Using Pure-FTPd with PureAdmin

Grub via serial - Get you boot options out on the serial interface

Reinstall Grub - Get Grub back in place

Fix grub - Get to boot again

Random Generator - Random Generator GUI based on Zenity

Laptop firewall - Firewall for my laptop GUI based on Zenity

Mail tester - Generate smtp mails for testing/performance

Exiftool - Insert exif Image Description

VMware and USB - USB not working on Linux host (only valid prior VMware Workstation 6)

VMware Tools on Hardy Heron

Virtualbox and USB - Getting access to host usb devices

VMware Sound on Hardy Heron

How to press ctrl-alt-del in Intrepid Ibex

Keyboard messed up i Intrepid Ibex

Force into BIOS - Force VM session into BIOS on reboot

apt-file - Find missing packages

Bash Scripting - Bash test and comparison functions

Changing monitor output when using the proprietary ATI driver - Fixing an annoying docking issue

blkid - Find the disk UUID

Move swap partition - Getting hibernation working after new/moved swap partition

Interface names - (un)Binding logical interface names / changing interface names

My xorg.conf for Intel915 chipset and Samsung Syncmaster 959NF

Wget stuff

Delete many files - Getting the error “bash: /bin/rm: Argument list too long”

TrueCrypt icons - Desktop icons for TrueCrypt

Safe reboot a frozen machine - Raising an Elephant

Create a package list - Creating a list of installed packages for scripting

Making a deb - How to make a deb from source

syslog-ng on Ubuntu - Changing from syslog to syslog-ng

iptables - iptables stuff

loop-devices - mount: could not find any free loop device

Bind on Hardy - Some stuff for bind and Ubuntu Hardy Heron

DHCP and DNS - How to make DHCP update Bind

Serial Console - Setting up a serial console on a headless machine

Upload file via web - Python script to upload files between two machines

MySQL backup script

Encrypted USB Storage - Quick Guide to make an encrypted usb stick

exiftool - Adding exif tag info to pictures

fail2ban - Stopping brute force attacks

gopenvpn - Install Gopenvpn

De-base64 - Decode base64 content

Move Pictures by Date - Bash script to reorganize your pictures

Remove ^M characters from file - Fix those damn Windows files

Encrypted disk partition - Using LUKS to encrypt a partition

Password Generator - Simple script

Script - A simple way of documenting output from the console

ISL

Get all Danish IP subenets

Setting network speed and duplex

Pure-ftpd Upload Script

Backup script with rsync

Check battery state with bash script

Source http://security.ncsa.uiuc.edu/research/grid-howtos/usefulopenssl.php and http://www.madboa.com/geek/openssl/#cert-exam

Generate A Self-Signed Certificate From Scratch

Generate A Certificate Signing Request

Create A Self-Signed Certificate From A Certificate Signing Request

View The Contents Of A Certificate

View The Signer Of A Certificate

View The Contents Of A Signing Request

Verify A Certificate Matches A Private Key

Create A Private Key

Encrypt A Private Key

Decrypt A Private Key

Convert PEM Format Certificate To PKCS12 Format Certificate

Convert PKCS12 Format Certificate To PEM Format Certificate

View The Contents Of A PKCS12 Formatted File

Run A Test Server

Run A Test Client

How do I retrieve a remote certificate

How do I extract information from a certificate

How do I verify a certificate

Import CA certificates for openssl to use

How do I connect to a secure SMTP server

Convert between DER and PEM

Convert a TDC/DanID certificate

Generate new server keys

Building a custom LiveUSB

Building a custom LiveUSB 2

Tips

Bluetooth send file - Fixing Ubuntu Edgy gnome-obex-send

I get server reset with Firefox in Feisty - Fixing user agent string

Suspend and Hibernation stopped working in Feisty - Fixing suspend/hibernation

Suspend and Hibernation not working in Hardy Heron - Fixing suspend/hibernation

Intel e1000e driver - Installing Intel's own nic driver

Ubuntu on IP120 - Howto install Hardy on a Nokia IP120 (DO NOT WORK!!)

Create a package list - Creating a list of installed packages for scripting

Creating a local repository - Make a local repository of downloaded deb files

Middle Mouse Button Scrolling - Scrolling with three button mouse

Ibex and AltGr

Shutdown not powering off

Intel 3945/4965 Wireless Frequencies - How to associate beyond channel 11

Ideapad Critical Low Hibernate - Making hibernation work on critical low battery

Full disk encryption - Encrypted LVM with root and swap

Securely delete files and folders in Nautilus

Adding permanent static routes

Changing MTU on interface

Apparmor and Ubuntu

sysctl.conf - Tuning parameters

/tmp as ramdisk

Firefox Cache in /tmp

I/O scheduler algorithm

Community-ID - Howto install Community-ID

Add trusted CA

channels.conf for Denmark

npreal2 driver for Moxa serial devices

Building floppy image for LSI driver