XEN Server Status Monitoring Command Cheat Sheet

Posted on in Categories CentOS, Debian Linux, Howto, Linux, Linux Virtualization, Monitoring, RedHat/Fedora Linux, xen last updated November 15, 2007

The xm command is the main command line interface for managing Xen guest domains. The program can be used to create, pause, and shutdown domains. It can also be used to list current domains, enable or pin VCPUs, and attach or detach virtual block devices.

Please note that before running any one of the following command you must run xend ( Xen control daemon aka service) and must be run as privileged user. Running xm command as non root will return an error.

I hope following XEN status monitoring cheat sheet will save your time.
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Access Google Calendar From Linux / UNIX / Mac OS X Command Line Interface

Posted on in Categories Download of the day, Linux, OS X, Shell scripting, UNIX last updated October 2, 2007

I use Google Calendar exclusively. However to access this product you need to use a web browser. There is nice program called gcalcli (Google Calendar Command Line Interface) which allows to access Google Calendar from bash shell. Now I can see an agenda using a specified start/end time and date from a shell prompt over ssh session 😀

gcalcli is a Python application that allows you to access you Google Calendar from a command line. It’s easy to get your agenda, search for events, and quickly add new events. Additionally gcalcli can be used as a reminder service to execute any application you want.

Current Features

  1. List your calendars
  2. Show an agenda using a specified start/end time and date
  3. Search for calendar events
  4. “Quick add” new calendar events to your default calendar
  5. Run as a cron job and execute a command for reminders
  6. Work against specific calendars (default, owner, read-only)
  7. Color support
  8. unicode support

Download Google Calendar Command Line Interface

=> Visit official project page here

xrandr: Linux Resize / Set The Screen Size Quickly Via Command Line Options

Posted on in Categories Debian Linux, Howto, Linux, Linux desktop, RedHat/Fedora Linux, Tips, Troubleshooting, Tuning, Ubuntu Linux, UNIX, X server last updated August 27, 2005

Generally, I need to switch my Gnome screen size to 800×600 to watch TV via TV-Tunner card as my card supports max 800×600 resolution. For rest of my work I prefer to use 1024×768 pixels. You can create a shortcuts on the desktop to resize screen quickly: