Linux
Using Rigol oscilloscope under Linux
Controll and view Rigol oscilloscope with DS Remote under Linux. I’m using a Rigol DS1202 with Ubuntu 20.10 (Groovy). First install DS Remote: sudo apt-get update sudo apt-get install g++ make git qtbase5-dev-tools qtbase5-dev qt5-default git clone https://gitlab.com/Teuniz/DSRemote.git cd DSRemote qmake make -j4 sudo make install Now start DS Remote with command or use menue […]
Ubuntu Yubikey U2F Auth
Yubikey is a hardware security device. You can use it for two-factor authentication. Here is an example setup for two-factor login for Ubuntu Linux. I recommend to use at least two Yubikeys. One primary and the second one as a backup device. I used mostly the official HowTo for this: https://support.yubico.com/hc/en-us/articles/360016649099-Ubuntu-Linux-Login-Guide-U2F 1. Setup First add […]
Otter Browser – Ubuntu
Install Otter Browser ( Beta 1 ) on Ubuntu 14.04. Otter Browser, project aiming to recreate classic Opera (12.x) UI using Qt5. Now the first Beta is available. There are packages for Debian available on the sf.net Download page. ( A Version for Windows is available, too. Note: It ist a Beta-Version. A lot of […]
Fix broken ext4 partitions
Boot from a live distribution like ubuntu (http://www.ubuntu.com).Boote eine Live-Distribution wie zum Beispiel Ubuntu (http://www.ubuntu.com). fsck.ext4 -cDfty -C 0 /dev/sda Note: Replace „sda“ with your harddrive.Bemerkung:Ersetze „sda“ ggf. durch deine Festplatte. Explanation:Erklärung: -c check for bad sector check -D optimize directories if possible -f force check -t print timing stats -y assume answer „yes“ to […]
Notebook Backup to external crypted disk
Here is the documentation, how i making backups of my notebook. I use a external USB harddisk, which is connected to my docking station. On system logon, i check if the external disk is present and mount it. A cronjob starts a backup script, which creates backups with rsync if the backup partition is mounted. […]
Create a Linux or Utility Live Stick
Create Linux Live USB Stick with UNetbootin. Easy way to test a lot of other linux distributions or play around with some system utilities. You can install the following OS and System utilities with unetbootin. Operating Systems * Ubuntu * Fedora * Debian * PCLinux OS * Linux Mint * Sabayon Linux * openSUSE * […]
Encrypt your USB Stick
Encrypt your USB Stick with cryptsetup or TrueCrypt on Ubuntu. 1. Use cryptsetup 1.1 Install cryptsetup: aptitude install cryptsetup 1.2 Setup cryptsetup volume: Unmount the stick and format it: umount /dev/usb1 cryptsetup luksFormat /dev/usb1 Type „YES“ an choose a password. Open the crypt partition: cryptsetup luksOpen /dev/usb1 crypt_USB Create new Filesystem and mount it: mkfs.ext4 […]
Resize images (folder) with imagemagick (mogrify)
Before upload pictures to my online gallery i want to resize them to a smaller size. I don’t want to open all with a tool or something. I want to run a small script on my netbook without GUI. First install imagemagick: aptitude install imagemagick Now „cd“ into the directory with your images and execute: […]
Puppet Dashboard / Reports – Ubuntu
Puppet reports with „Puppet Dashboard„: Installation: Add the following lines to your „/etc/apt/sources.list“ file: deb http://apt.puppetlabs.com/ubuntu lucid main deb-src http://apt.puppetlabs.com/ubuntu lucid main Run aptitude update to updates your packet list. If you get an „GPG error“ because the public key is not available than add the Puppet Labs repository key to APT. (NO_PUBKEY 1054B7A24BD6EC30) run: […]
Install Tomcat 7 on Debian (Lenny) with virtual hosts and Apache2 integration
Please see new version Tomcat 8 on Debian 7 here ! This article is a new version of my Apache Tomcat 6 article. This article describes how to install Apache Tomcat 7 on Debian Lenny, Apache2 integration and virtual hosts. Tocat 7 is not available over the regular sources on Debain Lenny (and Etch) it […]