How to add a swap file on linux
Forgot to create a swap partition? Here’s how you add a swap file (do this with root privileges):
Continue reading →How to ssh to a system rescue cd live system
Sometimes it is useful to access a machine booted with a sysresccd from another computer, for example to be able to open several terminal windows next to each other, or to be able to work from somewhere else (with a laptop on the couch for example ). Assuming the computer in question has a network…
Continue reading →How to export and backup your Google Hangouts chat history
TL;DR: I’ve written a web tool you can use to view and download your Hangouts chat history. Click this link and follow the instructions. Google Hangouts as messaging platform has some advantages over other often used services. On my smartphone, I mainly use WhatsApp and Threema, but both lack other clients so far WhatsApp web can…
Continue reading →How to set up your iPhone for scheduled reboot
Some people may notice that their iPhones start to get a little sluggish or start showing some unexpected behaviour when they’re running them for multiple days or even weeks without a reboot. So I asked myself, is there a way to make the iPhone reboot regularly? Is there some kind of cron daemon?
Continue reading →How to do an initial dvb channel scan in MythTV
First get a channel list from your operator/provider. Mine (willy.tel in Hamburg) can be found here and looks like this:
Continue reading →Bash: How to check if your script is already running
Sometimes, you don’t want a script to run when it is already running. Maybe it is scheduled as a cronjob but the previous run of that cronjob hasn’t finished yet. I usually do some “pre-flight checks” in almost every script I write. And most times, this is one of them.
Continue reading →How to create rsync-like hard link backups with VSS on Windows
The problem Finding a good backup software for Windows is quite hard, if not next to impossible. But what makes a backup software good?
Continue reading →db46 Java error while trying to install ffmpeg via macports
Today, I tried to do a ‘sudo port selfupdate’ and ‘sudo port upgrade outdated’. I say ‘tried’ because it failed when it tried to upgrade db46: —> Configuring db46 Error: db46 requires the Java for Mac OS X development headers. Error: Download the Java Developer Package from: <https://connect.apple.com/cgi-bin/WebObjects/MemberSite.woa/wa/getSoftware?bundleID=20719> Error: Target org.macports.configure returned: missing Java headers
Continue reading →How to force fsck run on next boot
Run sudo touch /forcefsck Next time you boot, the file system will be checked.
Continue reading →How to disable “more” addresses button in Thunderbird 3
So I upgraded to Thunderbird 3 some time ago. It has nice new features, like the grouped folders. Anyway, there are a few things that annoyed me too; one of them being the fact that whenever someone sends a mail to me and some other people, only the first recipient was displayed, with a “more…”…
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