The Ultimate Backup Enhancer for Linux

  • Episode 272
  • December 4, 2012
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Create live snapshots of your Linux system without using any notable resources, allowing for backups of running virtual machines and other in-use files. Hot Copy works much like Windows' Volume Shadow Copy.

This episode is sponsored in part by: Netflix, Eco Alkalines and Cordery Electric.

Topics Covered:

  • Robbie Ferguson and Eric Kidd present from the Category5 studios in Barrie, Ontario.
  • Eric still sports the 'stach in support of men's mental health and prostate cancer research. Please show your support by donating at mobro.co/erickidd.
  • {play 3:48}Robbie references Schmoyoho.
  • {play 4:43}Accessing the Category5.TV Chat Room.
  • {play 10:50}Feature: The ultimate backup enhancement for Linux: Hot Copy.
    • Eliminating downtime when backing up your virtual machine guests on Linux by backing them up while they're live using a hot copy of your system drive(s).
    • Installing Idera faceHot Copy from the provided zip file on a Debian (Ubuntu, Zorin OS) based system.
    • Compiling the Hot Copy (hcp) kernel driver using /usr/sbin/hcp-setup --get-module.
    • Mounting a hot copy of your hard drive.
    • Understanding the cat5.tv vs. category5.tv URLs.
    • The difference between your live system and the hot copy.
    • Figuring out your hard drive device names using the mount command.
    • Removing (unmounting) a hot copy of your drive(s).
    • How hot copy supplements your backup.
    • Backing up a running virtual machine hard drive in its entirity.
  • {play 29:35}Top Stories from the Category5.TV Newsroom
  • {play 35:61}Continuing our feature on Hot Copy.
    • Booting from our backed up virtual machine hard drive.
    • How Hot Copy (hcp) works, and how heavy it is on your system resources.
  • {play 42:32}Viewer Questions
  • Viewer Question: I use Debian and when I try using Skype, the audio doesn't work. What am I doing wrong?
  • Viewer Question: Great show! I'd like to create animated GIF files for Tumblr but am unsure how to do this with Linux tools, so I'm using Unfreeze (a Windows program) on wine.
    • Converting a video to images on Linux using ffmpeg.
    • Deleting some of the screen captures to reduce the size of your animated GIF by reducing the framerate.
    • Using GIMP's "Open as Layers" option to load your video stills in order to turn them into an animated GIF.
    • Creating a proportional square marquee to crop your entire sequence of images.
    • Exporting an animated GIF image in the GIMP and setting the framerate.
    • Using Cumulative Layers to reduce the size of your output file.

Links to Relevant Web Sites:

  • Host: Robbie Ferguson
  • Co-Host: Eric Kidd

Discussion

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