Category Archives: SSH

Having fun with OpenSSH on Ubuntu Intrepid Ibex – visual host keys

After having a quite uneventful upgrade to Ubuntu Intrepid Ibex (time for a change), I’s happy to notice, that Intrepid Ibex ships the new OpenSSH version 5.1 which has one little feature, I really fell in love with: visual host … Continue reading

Posted in Allgemein, CommandLine, Debian, IntrepidIbex, PackeOfTheDay, SSH, Ubuntu | 3 Comments

my package of the day – gpg for symmetric encryption

Though asymmetric encryption is state of the art today, there are still cases when you probably are in need of a simple symmetric encryption. In my case, I need an easy scriptable interface for encrypting files for backup as transparent … Continue reading

Posted in Allgemein, Backup, Bash, Bashup, CommandLine, Debian, PackeOfTheDay, SSH, Security, Ubuntu | 11 Comments

my package of the day – sash – the Stand Alone SHell for system recovery

Let me introduce you today to a package that is quite unknown as you hopefully never need it. But when you need it and have not thought about it before, it is probably already too late. I am talking about … Continue reading

Posted in Allgemein, Bash, CommandLine, Debian, GNU, PackeOfTheDay, Recovery, SSH, Security, Ubuntu | 2 Comments

my package of the day: proggyfonts – tiny fonts for programmers and console users

(Well, it is not yet a package, but trust me: I’ll make sure it gets one.) As a programmer or console user you might know the pain of having not as much characters on you screen as you would like … Continue reading

Posted in Allgemein, CommandLine, Debian, License, PackeOfTheDay, SSH, Script, Shell, Ubuntu, Windows | 10 Comments

my package of the day: fish – the friendly interactive shell

Always wanted to learn using a shell more deeply? Maybe “fish“, the “friendly interactive shell” is the right kickoff for you. If you are already a heavy command line user with customized .bashrc or even .zshrc (like me), thank you … Continue reading

Posted in Allgemein, Bash, CommandLine, Debian, GNU, Linux, PackeOfTheDay, SSH, Script, Shell, Ubuntu | 6 Comments

removing outdated ssh fingerprints from known_hosts with sed or … ssh-keygen

At least from the last issue in Debian-based systems including Ubuntu you might know the pain of getting the message from you ssh client that the server host key has changed as ssh stores the fingerprint of ssh daemons it … Continue reading

Posted in CommandLine, Debian, Network, SSH, Security, Shell, Ubuntu | 11 Comments

Bashup – a first example for a simple tree backup over ssh

Some days (weeks?) ago I told you about the release of “Bashup” a bourne shell compatible backup script on sourceforge. As the script is still in heave Alpha I’d like to give you a first insight into it’s development. Bashup … Continue reading

Posted in Backup, Bashup, Debian, Network, SSH, Tar, Ubuntu | 4 Comments

Bashup – a sophisticated Bash backup script

Mnemonikk (who still lacks a blog because he cannot decide which name to choose) finally made the step to create a sourceforge project for Bashup. Bashup is a more or less modular and Bourne shell compatible backup script with few … Continue reading

Posted in Backup, CommandLine, Debian, FileTransfer, Network, SSH, Ubuntu | 4 Comments

The dilemma of ssh authorized_keys key files and its comments

Imagine the following situation: You care for live servers and work in a team of let’s say five, six or even more people. Access to the servers is granted through ssh. The people login either as root (yes, you should … Continue reading

Posted in Debian, Network, SSH, Security, Ubuntu | 15 Comments