Using GMail with IMAP Clients - especially when using the priority inbox

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If you wish to use Gmail via IMAP, it's important to keep in mind some specialties in how Gmail handles IMAP. This is especially import...

Network Manager not working: Disabled by Hardware Key

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If Network Manager claims that Wifi is disabled by a hardware key, take these steps: Check if hardware keys disable the wifi (duh!) - this ...

Successfully Connecting your Bluetooth Headset with PulseAudio and A2DP to Linux

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After lots of trying to connect the bluetooth headset via bluetooth and pulseaudio to Linux, the following procedure has proved pretty succe...

Kernel Compile Service for Testing Patches and Bisecting

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You know the situation, when you report a bug in the kernel and then ideally you're asked to test a patch? This means you have to compil...
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Running New Software on an Old System

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I have a netbook which still runs a very old system. It's ancient and no longer supported (just like Windows XP). But it's the last ...

New Favorite Root Server Hoster: On demand virtual machine for 5 $/month or .7 ¢/hour

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I've been thinking about root server hosters recently and a friend pointed me towards Digital Ocean . And besides their good pricing and...

Two Factor Authentication for SSH with Ubuntu

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Here is a great very quick Ubuntu two factor authentication setup guide , which I'ved tested to work for Ubuntu 12.04 and 14.04. It sets...

Two Factor Authentication for SSH with Ubuntu

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Here is a great very quick Ubuntu two factor authentication setup guide , which I'ved tested to work for Ubuntu 12.04 and 14.04. It sets...

Freetz and Knockd: Most Ports don't work

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One important thing to note when using knockd with freetz is that only forwarded ports are possible. Only they arrive at the dsl interface. ...
1 comment:

Very Short Knock Client Bash Script

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All clients I saw were a bit too elaborate. So I wrote this one which only needs four lines and could do with less: #!/bin/bash targ...

Fixing "Valid eCryptfs headers not found in file header region or xattr region, inode"

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This is a manual process, once step. You need to remove the file. Then it can be recreated. e. g. Valid eCryptfs headers not found in fi...

Self Compiled Kernel Stops Booting in Ubuntu 14.04 [Fixed]

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After switching from Ubuntu 12.04 to 14.04 I've noticed my self compiled kernels would not boot well. There was always an error that a...

Fix for blank screen or black display after resume with open source radeon drivers in Xorg

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The bug was reported in detail here. The fix comes in two ways: 1. For just echo mem > /sys/power/state to work, use the kernel boot pa...

Converting OpenCard Files to Anki [manual approach]

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It's a bit troublesome, a better solution would probably be to create an XSLT file as an export filter from Impress to CSV. (A good sta...

Fix for "GLX error: Can not get required symbols" in Xorg log file / No 3D graphics with radeon Open source driver

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If you get the error:  "(EE) GLX error: Can not get required symbols"  when trying to use the open source "radeon" drive...

How to configure Darktable with OpenCL for your AMD APU

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I was really curious for a piece of working opencl software. Then I found out that a software I love actually also does opencl! The only iss...

Darktable: Twice as fast with OpenCL!

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In my setup (AMD A4), using opencl with darktable is about twice as fast as using the dual-core cpu.  It's not working out of the box...

Using the Kernel NTFS driver with Ubuntu

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To make life easier for the average user, Ubuntu installed a link at /sbin/mount.ntfs to ntfs-3g, thus automatically mounting all ntfs drive...

Speeding up NTFS writes in Linux

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Sometimes you want to do some serious operations on ntfs volumes in Linux - and if it's only virus scanning. This can be slow. It will p...

Ignore Package Dependency in dpkg

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If you want to install a package, which has a dependency you want to ignore, e.g. because it's wrong, outdated or unnecessary, you may u...