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This is a technology blog by Matthias Friedrich, a software developer and architect. more …
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Tag Archives: shell
An IMAP Configuration for Mutt
Usually, I download all my email via fetchmail, sort it into folders using procmail and read the mails with mutt. This works reasonably well and I’ve been using this mail setup without major changes for about 10 years. Since I … Continue reading
Quick Tip #2: Set Operations Using Shell Tools
Everybody knows that Unix shell utilities are powerful. Even though they’re text-based, you can build a lot of useful things outside of the text domain. Today I’ll show you how to implement set operations. All we need are sorted files … Continue reading
Understanding the find(1) Utility
The Unix find(1) utility is a powerful tool, yet few people really understand how it works. It may be a bit confusing at first, but a programmer who knows his boolean algebra should be able to wrap his head around … Continue reading
Rsync Snapshot Backups Revisited
A while ago, I blogged about my self-made backup solution, a simple shell script using rsync to create snapshot backups. This wasn’t my first attempt at establishing backups for my private workstation but the most successful one so far. The … Continue reading
Quick Tip #1: Implicit FIFOs in Bash
One could assume that I have run out of material and retreat to safer ground, but far from it. From now on I’ll just throw in a few quick shell hacks hoping some of you don’t know them yet. So, … Continue reading
Rsync Backups For External Disks
Virtually everybody agrees that backups are a good idea, but few people actually do them. Backup software is often time consuming to set up or just overkill for a single-user system. In this article I’ll show how easy it is … Continue reading
SSH Public Key Authentication
A lot of people use SSH to log into remote hosts. SSH is secure and works well, but if you have to access many hosts with long, well-chosen passwords there is a lot of typing to do just for authentication. … Continue reading
Transparent Directory Encryption
In a previous article, I discussed sshfs, a user mode filesystem based on FUSE for accessing remote files. Another useful filesystem type is encfs which provides transparent encryption of directories. With encfs, files are stored encrypted in a special directory … Continue reading
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