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

Postfix-Dovecot-Sieve - Server-side filtering

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

ProFTPd - Setting up a ftp server with MySQL and TLS

Digest Authentication - Using digest for user authentication

Log format including X-Forwarding-For - Log X-Forwarding-For information

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

Building floppy image for LSI driver

VMware Tools on Maverick Meerkat

VMware Tools on Precise Pandolin

VMware Workstation 9 on Ubuntu 12.10

VMware Workstation - Change Serial Number

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

Get all Danish IP subenets

Setting network speed and duplex

Pure-ftpd Upload Script

Backup script with rsync

Check battery state with bash script

Make cool mail signatures with figlet

Watch filesystem activity with inotify

Automatic backup via FTP with fsniper

Certificate keystore tool - Portecle

Persistent SSH - ssh with screen

Citrix ICA client on 64-bit Ubuntu

Bash loop examples

Domain renewal check

Symbian Error Codes

Google Authenticator

Backup a partition with dd and gzip

tcpdump

Generate a random password from command line

MySQL optimize

Recover deleted files

Run Wireshark as non-root

Setup a private Firefox Sync Server

Get DN from a Windows AD user

Clean up directory based on file age

Extract wifi keys from Windows desktop

Block Windows 10 Telemetry

Bash random number generator

DNS Server Latency Script

Diceware - Pick random words from file

Systemd service waits for IP address

Quick Script to Build a CA and Create Signed Server Certificate

Generate A Self-Signed Certificate From Scratch

Generate a self-signed certificate for localhost

Generate A Certificate Signing Request

Generate A Certificate Signing Request with SHA-256

Generate A Certificate Signing Request with SAN

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

Verify That CSR Matches Certificate and 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

Test a certificate chain

How do I get the fingerprint of a certificate

File encryption with OpenSSL

SSL/TLS tester - testssl.sh

Extract intermediate and root CA's from server

Check if OCSP stapling works

Certbot

Generate new server keys

Building a custom LiveUSB

Building a custom LiveUSB 2

Building DBAN bootable USB drive

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

Manual Install Sun Java

Disable TouchPad

axel File Downloader

NetworkManager and device not managed

Apt through a proxy server

Recover from broken update-initramfs

Wireless on Lenovo S10e

ALTERNATIVE TO THE "200 LINES KERNEL PATCH THAT DOES WONDERS" WHICH YOU CAN USE RIGHT AWAY

apt-mirror setup

HP and CPU fan constantly on after resume

Install Sun Java on Ubuntu 12.04

Enable hibernation in Ubuntu 12.04

Mounting Windows shares with Nautilus in Ubuntu 12.10

Postgrey init script doesn't work on 14.04

sysctl.conf - Tuning parameters

/tmp as ramdisk

Firefox Cache in /tmp

Google Chrome in ramdisk

I/O scheduler algorithm

Add trusted CA

channels.conf for Denmark

npreal2 driver for Moxa serial devices

Getting wireless working on Lenovo S10

Wildcard Masks

SSL Network Extender on Lucid 64-bit

Setup script

Vlan tagging on RPi

How to make more than one copy

Let's Encrypt - How to issue certificates with Cloudflare DNS and F5 REST API

Let's Encrypt - How to issue certificates from a BigIP

Cipher list for Datagroups

TLS1.3

Renew webui certificate

Problem with time drift with KVM on AMD (kvm-clock)

Integrate F5 LTM and AFM with Crowdsec IPS

Different ways of making DNS lookups

Enable or Disable Certificate Transparency Monitoring via API

Creating a decrypted tcpdump capture

Simple Stress Test Script

Stress Test Script with Apache Bench

Convert a CSV to Data Group format for import

Remote tcpdumping and TLS decryption of pcap file

Disable an Attack Signature via API

Backup Zones

Empty a Zone

Create Records from Template File

TPS

Send mails with Curl

Curl and SNI

Count repeating IP's in list

Combine three lines into one

Calculate average

Manipulate CVS file

Repair Corrupt Index

DNSViz at home

Backup and Restore

Mail Crypt - Decrypt/Encrypt Mails

Pushover Script for Notifications

Example API Application for Hash Lookup

Import Hashes to sqlite3

Have I been pwned

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