Sebastian Mogilowskis Blog

Just another blog about administration, linux and other stuff

Disabling SSLv3 for POODLE on Debian

Test and fix SSLv3 on Debian. Test for SSLv3 First test if your SSL will allow SSLv3. openssl s_client -connect YOUR_URL_OR_IP:443 -ssl3 if the answer is something like: routines:SSL3_READ_BYTES:sslv3 alert handshake failure Everything is fine and SSLv3 is not available. If your Server sends a correct handshake then you have to disable it ! Apache […]

Change Ubuntu bluetooth device

The setting was removed from controll panel. But you can change your bluetooth device name with: sudo hciconfig hci0 name ‘newName’

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Racktables Cable ID Plugin

Racktables Cable ID Plugin Shows cable ids of an rack and highlight dublicate cable ids. Download: Just copy the file into the plugin directory of racktables.

System Administrator Appreciation Day 2014

Happy Sysadmin Day to all System Administrators out there !

Otter Browser – Ubuntu

otter_browser

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 […]

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Update multiple Linux servers with apt-dater

I used the following setup: Controller Server: Ubuntu 14.04 Host Server: Debian 7 Wheezy Setup the controller Note: You need a ssh key for your user. If you don’t have one create it with: ssh-keygen -t rsa Install apt-dater: apt-get install apt-dater Now start apt-dater it creates the config files for your user: $ apt-dater […]

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GPX on Ubuntu with Viking and additional maps

I have some recorded GPX Tracks from my Garmin Oregon GPS device. To display and modify this files on my Ubuntu Laptop i found Viking. Installation Very easy just type: sudo apt-get install viking With an OpenStreetMap Map Layer it looks like this: Additional Maps I had some GPX Tracks from my fishing trips in […]

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Install Epson Perfection V33 scanner on Ubuntu ( 14.04 )

Go to Epson Download Page (http://download.ebz.epson.net/dsc/search/01/search/searchModule) and download this files (just search for “V33″): iscan-data_1.28.0-2_all.deb iscan_2.29.3-1~usb0.1.ltdl7_amd64.deb esci-interpreter-perfection-v330_0.2.0-1_amd64.deb (Version numbers may have changed !) Installation Now install first xsltproc: apt-get install xsltproc and install the downloaded iscan packages: dpkg -i iscan-data_1.28.0-2_all.deb dpkg -i iscan_2.29.3-1~usb0.1.ltdl7_amd64.deb dpkg -i esci-interpreter-perfection-v330_0.2.0-1_amd64.deb Start scanning Connect your scanner and start “iscan” ( […]

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Combine PDF-Files on Linux (Ubuntu)

First install pdftk sudo aptitude install pdftk Now combine the files with: pdftk file_1.pdf file_2.pdf file_3.pdf cat output combined.pdf

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Install Apache Tomcat 8 on Debian 7 (Wheezy) with virtual hosts and Apache2 integration

tomcat

1. Install OpenJDK Java 7 runtime: aptitude install openjdk-7-jre 2. Download Tomcat Download Tomcat 8 from Tomcat 8 Download page. For example: wget http://ftp.fau.de/apache/tomcat/tomcat-8/v8.0.5/bin/apache-tomcat-8.0.5.tar.gz 3. Install Tomcat tar -xzvf apache-tomcat-8.0.5.tar.gz mv apache-tomcat-8.0.5 /opt/tomcat 4. Create tomcat user and group groupadd tomcat useradd -g tomcat -d /opt/tomcat tomcat usermod -G www-data tomcat chown tomcat:tomcat /opt/tomcat -R […]

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