Tags » Linux

Rotate video with ffmpeg command

On Linux, you should have ffmpeg tool and libraries installed on your system.

Original post here:

Rotate 90 clockwise:

ffmpeg -i in.mov -vf "transpose=1" out.mov
… 20 more words

Add a second IP to a single network interface in CENTOS

If you would like to permanently assign multiple IP addresses to an interface, create corresponding configuration files in /etc/sysconfig/network-scripts.

$ sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0:1
BOOTPROTO=static… 28 more words


Disappearing mouse pointer in Xubuntu

After all these years, the Acer 5740 is still running linux, specifically Xubuntu, the xfce based Ubuntu derivative.  For the most part it remains serviceable, but some annoying bugs have come to light from time to time. 348 more words


Telnet / SSH Auto login Linux / Routers

Hi guys,

Using following script, you can automate the login.  Am so much graveled entering long password overtime. this script is very simple and it does it job. 27 more words

Continuous Integration Infrastructure With Windows - Scripting With PowerShell

In one of my current project, I deal with how to run a Continuous Integration (CI) infrastructure on Windows machines. I have had experience in running a CI infrastructure for five years, but it was always on Linux machines. 1,242 more words

Continuous Integration

Setting up Python development environment without superuser permissions

  1. Compile Python from source
    1. Download Python source code from python.org. E.g.:
      wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz
      Unpack Python and compile it to our local folder
      tar -xvf Python-3.4.3.tgz…
  2. 127 more words

PRVG-11850 : The system call "connect" failed with error "111" while executing exectask on node

During install of Oracle RAC 12c (, the installer, or possibly the cluster verification utility reports an error:

PRVG-11850 : The system call "connect" failed with error "111" while executing exectask on node ... 508 more words