Snapshots allow users to create images of a specified filesystem. Use this tag if you have problems or questions about creating Snapshots in Ubuntu.

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Proper way to remove an active / inactive LVM snapshot

I have created a sample ruby script file for removing extra LVM snapshots from the system. For removing LVM snapshot, we are using lvremove command. This command is working fine and we can remove ...
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1answer
179 views

Can I Recover The Files in the Directory /usr from a btrfs Snapshot?

Some time ago, I moved the folder /usr to its own partition. Before this it had lived in the / partition which has a btrfs filesystem. Accidentally, I formatted my /usr partition from my Windows XP ...
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0answers
21 views

BTRFS cannot delete snapshot - operation not permited

I cannot delete a the btrfs subvolume "2014-07-28" which is a snapshot of the "@" created by the kubuntu installer to serve as the kubuntu root. teneighty@teneighty-MS-7924:/$ sudo mount -o ...
0
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1answer
115 views

virsh snapshot-create-as gives “unable to execute QEMU command `transaction`”

I have an Ubuntu 12.04 Server that hosts several virtual machines. I want to make backups of these VM's using the snapshot mechanism. The purpose of these snapshots is to have a backup on an external ...
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0answers
27 views

“Last known working configuraition”

Is there a way to make Ubuntu have a last known working configuration. Windows has this as standard and can be accessed at the boot menu. I’ve asked this question in the irc channels and the best ...
0
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1answer
56 views

Btrfs snapshot marked as deleted

I am using Btrfs v3.12 and each time I delete a snapshot it is not deleted, marked as "DELETED" but the global size of the volume doesn't change. I have never seen that in older version of BTRFS. ...
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1answer
41 views

Manage Snapshots

So Ubuntu supports LVM. This in turn supports creating and restoring snapshots of the hard drive. Coming from Windows, this is a highly useful feature for restoring the system to a previous point (In ...
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0answers
5k views

Setting up LVM Snapshot as a backup/restore point in ubuntu [closed]

since I could not find how to post this as a blog/post/tutorial in AskUbuntu.. I decided on posting it here, were it is best exposed anyhow ... Setting up LVM Snapshot as a backup/restore point in ...
2
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1answer
38 views

rsync creating target directory with old date

I have a script that automates backups - hourly snapshots of my xubuntu 12.04LTS workstation. It creates a directory named according to the date and time, ie: 20140316-1033, representing 10:33 this ...
1
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1answer
191 views

snapshot of certain user home directory every 12 hours

I have a build server that builds our comnay product in a continuous build method. the build user is called build (surprise ,surprise, i know :-) ) and most of the data that it uses is simply taken ...
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0answers
38 views

make snap shot script

I am attempting to write a script take a snapshot of a given logical volume and delete any older than rotate_count. The makesnap tool takes a snapshot of the given logicalvol. The snapshot’s name is ...
0
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1answer
344 views

Does “snapshot” command exist like in Linux Redhat? [duplicate]

I used to use "snapshot" command to capture screen shots in the Linux Redhat environment. Is there the same or similar command with ubuntu 12.04 LTS?
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2answers
615 views

Is it possible to take a snapshot of / (or other) filesystem, like in VirtualBox?

Taking snapshot of root partition will make possible to roll back to previous state. This is very helpful when something went wrong and/or data loss occurs. This feature can be seen in VirtualBox HDD ...
0
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1answer
386 views

how to take Automatic screenshots in ubuntu 12.04 every 2 minutes [duplicate]

I am Ubuntu 12.04 user and I want my machine take automatic screenshots of my work every 2 minutes. So which Software you prefer. Please suggest me.
5
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3answers
924 views

Going back to a previous Ubuntu state

15 years ago GoBack came out which let Windows users revert changes and restore a computer to a previous state. It did this by imposing a journaling system underneath the OS - at the block level, not ...
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0answers
22 views

System image to be loaded to QEMU [duplicate]

Is there any way to take a snapshot of my current system and load it on another computer to QEMU?
1
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1answer
247 views

How to rollback an LVM2 snapshot

What's the equivalent of creating a snapshot and reverting to it later on in ZFS (which is automated and usually hassle-free) in LVM2? I've looked at the progress of this LVM2 feature a while ago and ...
0
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0answers
14 views

How to take snapshot of the Dash or an Indicator menu? [duplicate]

Possible Duplicate: How to take a screenshot of a whole desktop with app menu selection? When we want to take a snapshot of the screen we just press PrintScreen. But this doesn't work in ...
0
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1answer
3k views

Haw can I take snapshots from a live stream in command line?

I have a security camera and I would like to take snapshots each 5-10 minutes using cron jobs, but I could fined any command line tools, I tried the following: avconv -i rtsp://ip:554/h264_2 -r 1 ...