Visualize real-time data streams with Gnuplot
Some times when I need to troubleshoot a problem, adding some visualization to the process can help a lot, especially if one need to correlate between 2 (or more) metrics in the data. But...
Category: Linux
Run Command Before Starting SSH Connection
This a quick hack I found while I was looking to run a knock script before connecting to servers which I have the SSH service protected with a knock sequence. In my setup I...
Building CinelerraCV for Fedora 22 under Docker
The Dockerfile This Dockerfile will use Fedora Docker image (which you can download from any Fedora mirror server, and then use docker import to import the image) as the base for our builder image,...
[NetworkManager] Using dispatcher.d to run scripts based on network connectivity
This post is based on my personal need to mount/umount some network shares automatically when I’m switching between networks (e.g Homer/Office). Later on I was looking to make it more modular and came out...
Setup Xdebug for remote debug over SSH
If you have PHP application you need to debug, and there is a firewall between you and the hosting server, One can use SSH to tunnel the traffic from the remote site to the...
Toggle Audio Output Between Several Devices
With PulseAudio one can choose the output (in PA syntax, it’s called “sink-input”) device for each audio stream, for example, I can listen to my music on my headphone (USB sound card in my...
Auto increment the serial number of a zone file after each edit with vim
Emacs functionality with Vim Long story short, I was missing a functionality which i have with Emacs when editing BIND zone files. By adding the following lines to the zone file header, Emacs will...
Start Chrome with a temp profile & with preinstalled extension
Start Chrome with a temp profile All Chrome Incognito windows share the same profiles, which make it harder when you need to debug a web application using more then 2-3 accounts on the time....
כיצד להשתמש בסיסמאות בתוך סקריפטים
מאוד לא מומלץ להשתמש בסיסמאות ישירות בסקריפטים, אלא לשמור אותם בקובץ נפרד שאפשר להגן עליו על הרשאות שונות וכן הגדרות שונות לגבי אופן הגיבוי שלו. למשל בהפצות על בסיס Debain כשרוצים לכתוב\להשתמש בסקריפט שמבצע...
Convert a VMware virtual machine to KVM
Just a quick note to myself, about the process of Converting a VMware Virtual Machine machine to KVM. Copy the VMDK files Locate all the VMDK files, and copy to the new server. rsync...