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Questions tagged [snapshot]

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0 votes
0 answers
14 views

What are the Vagrant limitations for VMware disks with snapshots?

The docs are a bit cryptic about this: If snapshots exist for a VM, disk functionality will be limited. What limitations does Vagrant impose exactly on a VMware VM that has snapshots?
got trolled too much this week's user avatar
0 votes
0 answers
51 views

Btrfs snapshots are empty

I am using btrbk to make snapshots of my @home subvolume, but the snapshots are empty, zero bytes. I think I need to automount home, somehow. I see in the Btrfs Assistant File Viewer that the root ...
shmu's user avatar
  • 246
0 votes
1 answer
90 views

How to unmount /home on a BTRFS system?

In order to restore a BTRFS snapshot of /home, on NixOS, the Wiki says to first unmount /home. "home must be unmounted for this operation" https://nixos.wiki/wiki/Btrfs So my question is how ...
shmu's user avatar
  • 246
1 vote
1 answer
134 views

How extract currently displayed frame with ffmpeg?

I'm conducting a test with a 10-second video that plays at a rate of 1 frame per second. My goal is to capture a specific frame as a snapshot. Currently, I use the following ffmpeg command for this ...
Gman's user avatar
  • 23
2 votes
1 answer
120 views

Can I control which file jdupes preserves when using hardlinks?

The jdupes deduplication program allows you to create hardlinks, so that the files are not deleted, but linked together so that the disk space is used only once for multiple copies. Is there a way to ...
allo's user avatar
  • 1,158
0 votes
0 answers
157 views

Btrfs local Snapshots vs Incremental remote Backup

In a NAS context, I'm wondering about the pros of btrfs local snapshots when incremental remote backup is made on a remote server. I'm also wondering about the interest to have both snapshots and ...
Ozwel's user avatar
  • 161
1 vote
2 answers
743 views

Accurately taking a snapshot from a video using a command line tool

I am looking for a way to take accurate screenshots from a video. Accurate to the milliseconds. I have tried using ffmpeg using the following command: ffmepg.exe -ss position-in-hours-minutes-...
jamana's user avatar
  • 75
-1 votes
1 answer
92 views

How to avoid noise from light source while taking photo or video in iphone [closed]

I have iphone 13 pro with triple camera on it's rear. whether it's video or photo there's always unwanted noise coming from light sources and it spoils the video and photos. Please see the areas that'...
Amogam's user avatar
  • 107
1 vote
1 answer
244 views

Where is mounted LVM snapshot volume's size come from?

I'm learning to do backup database with LVM snapshot. While on it, I found some behavior of snapshot that I can't get it. Here is my setup: 1 Physical Volume and Volume Group from it with size 1.95T (...
Samuel Zhen's user avatar
0 votes
1 answer
34 views

Apache Ignite - Automatic Cluster Snapshot Create / Restore Procedure

When trying the Apache Ignite cluster snapshot procedure (snapshot create, restore), the restore operation is not successful. Before the restore procedure, we have destroyed the cache which we want to ...
cookie_marsh's user avatar
1 vote
0 answers
30 views

How to determine how the data was set when creating the ext4 on the raid0 LVM

I am working on consistent snapshots verifications. We snapshotted the raw device attached (saying two drives sdb and sdc) to a host and want to check the data was preserved with the desired orders as ...
wang larry's user avatar
0 votes
1 answer
137 views

borg backup is processing all files instead of modified

please advise how to correctly make borgbackup to process and copy only modified source files and their diffs to destination? every week we make our data snapshot in cephfs: /data/.snap/snap1/ /data/....
Gena Mrt's user avatar
0 votes
1 answer
92 views

SLES 15 SP4: snapper.service is being run, but no timeline snapshot is created

I have to new installations using SLES15 SP4, and I have an older SLES15 SP3 installation that was upgraded from SLES12 SP5. While the older installation created "timeline" snapshots every ...
U. Windl's user avatar
  • 695
1 vote
1 answer
690 views

Does multiple snapshots influence the performance?

My desktop system(Kubuntu-20.04.4, with LVM2 root-fs) need to be frequently adjusted the configurations, but some configuration would be fault. I take a new LVM2 snapshot of root fs, before every time ...
Leon's user avatar
  • 239
0 votes
2 answers
358 views

Understanding VirtualBox Snapshots

I have a base Windows 10 image that I want to make changes to. I have already cloned it to a working copy. I understand that the smart thing to do is to create snapshots so that I can roll back the ...
Manngo's user avatar
  • 599
0 votes
1 answer
636 views

Vmware: accidentally restored the snapshot how to restore original state?

I had restored accidentally restored the vsphere snapshot how to recover to original state?
user2801618's user avatar
1 vote
1 answer
137 views

How to determine VirtualBox vm has finished snapshot restore

I have a ubuntu host and a windows 10 guest using virtualbox. And I have written a bash script to control my vm. I want to shutdown my vm and restore snapshot, then restart it. But here is a question. ...
bbbbbbtttttt's user avatar
2 votes
1 answer
784 views

How to make a snapshot of a Linux block device

It is well documented how to make snapshots of LVM volumes but how can I make a snapshot of, say, a hard-drive partition? I often wish I can do this when I need to access a disk read-only but there ...
Joachim Wagner's user avatar
6 votes
2 answers
2k views

How can I save VLC snapshots in the video's path?

I know you can set the path where snapshots are saved in VLC Player's preferences. What I want is to save the snapshots not all in one fixed directory, but in the video's directory, provided of course ...
stevenvh's user avatar
  • 1,187
2 votes
1 answer
7k views

How to make a snapshot while qemu is running?

Since a fresh booting of the guest OS is very slow, or it is laborious to arrive at a particular machine state, what I want is something like Windows' hibernation: Qemu saves the current state of the ...
zzzhhh's user avatar
  • 179
1 vote
1 answer
173 views

How can I snapshot a VM before booting it for the first time?

I'm running MS trial VM images which are time limited, based on initial boot. MS recommend you store a copy of the downloaded image or take a snapshot before booting: But how can you snapshot a VM ...
Mr. Boy's user avatar
  • 5,316
0 votes
2 answers
1k views

How to take full webpage screenshots with no size or length limit? (really long pages)

How can I take full webpage screenshots with no size or length limit? I want to screenshot the search results on eBay with 200 items in view but it cuts off. I have tried Firefox, Edge and Chrome's ...
PJS1987's user avatar
  • 287
2 votes
1 answer
491 views

rebase virtualbox snapshot to another parent

I'm excessively using VirtualBox snapshots (for use in CI-builders), so typically I have a number of snapshots on a single VM. Often I find my self "forking" a new snapshot from an existing ...
umläute's user avatar
  • 451
2 votes
0 answers
408 views

How to prevent GRUB from scanning lvm snapshot?

My root file system is a LVM2 logic volume, and there are few snapshots of it beside. Every time when I run update-grub, it always add menu entries for those snapshots as if they are normal volumes. ...
Leon's user avatar
  • 239
2 votes
2 answers
5k views

Is there a windows 10 equivalent for Apple Time Machine?

I made a machine for my mother who is not computer savvy. For that purpose I googled "Time Machine equivalent for windows" and found Genie Time line and really wasted my money on that... My ...
papajo's user avatar
  • 202
3 votes
1 answer
7k views

Is stopping a VM before taking its snapshot best practice?

Background I tend to save my VirtualBox VM snapshots while the system is running. This shaves off some time when I resume next work's session. But I have read in a few places that the best thing to do ...
Dave White's user avatar
0 votes
1 answer
5k views

How to remove a snapper config when getting error “deleting snapshot failed”?

I am using snapper to take snapshots of btrfs volumes. I have one for /var as well, but decided that I want to get rid of it. It corresponds to the _var snapper config. I can't manage to do this, ...
equaeghe's user avatar
  • 465
0 votes
0 answers
305 views

Make Snapshot of Main OS

Can I make snapshot(something like that) of my main os/host machine(Which in this case is parrot os) ? Because when I use my parrot within a month or so I end up with broken os(because of my tinkering)...
Evil Dead's user avatar
0 votes
1 answer
346 views

Can I continue use my VMware Workstation virtual machine before a snapshot completed?

I'm using VMware Workstation on Windows. When I create a snapshot while my guest VM is running, it will take long time (probably more than 10 minutes) to complete the whole process. During this period,...
Just a learner's user avatar
1 vote
1 answer
2k views

How to mount System Volume using APFS snapshot

I am not able to mount System Volume (root) using APFS. I only see my Data Volume. $ mkdir /tmp/snapshotbackup_root $ mount_apfs -s com.apple.TimeMachine.2019-10-29-174444.local / /tmp/...
Hologos's user avatar
  • 181

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