All Questions
16
questions
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 ...
- 239
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.
...
- 13
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. ...
- 239
1
vote
1
answer
412
views
VirtualBox vdi not growing over 32 GB, NS_ERROR_CALL_FAILED when trying to delete snapshot
I am running VirtualBox 5.2.0 on Ubuntu 16.04 64-bit. The quest system is Win 10 64-bit.
At some point guest went jammed because vdi disk of dynamic size 100GB refused to grow over 32GB. I have ...
- 131
5
votes
1
answer
815
views
Is there a ZFS-aware diff?
I often make snapshots of a ZFS volume (containing AOSP) make some changes (often extracting ZIP files over then top, or running scripts) and then run diff to see what has changed.
This is really ...
- 195
1
vote
0
answers
213
views
VM very slow after snapshot recover
We have here a Citrix XenCenter with few Virtualized machines. So last week we had to recover a VM from an old snapshot (the current one got lost because of a miss configuration in file permissions). ...
- 111
1
vote
1
answer
1k
views
How to create a snapshot of current ubuntu installed programs, so that I can copy it to another fresh installation of ubuntu?
I have some installed programs on Ubuntu on my remote server (which I have root access to it). Now I need to install a fresh Ubuntu on some other machine/server, and I don't want to go through ...
- 119
7
votes
2
answers
18k
views
How to save the state of a Ubuntu install? (get a snapshot)
I don't know if the terminology as in "snapshot" is correct for this, if not, please, feel free to correct me.
Is there a way that I can, like "save" the state of my linux install, like an image, so ...
user512585
2
votes
1
answer
290
views
Ubuntu btrfs snapshot cannot mv into /home
I want to be able to take a snapshot and restore it in real time.
This works in Fedora and does a live "rollback" :
btrfs subvolume snapshot /home /home/snapshot
mv /home/snapshot /home
But in ...
- 89
1
vote
0
answers
340
views
VirtualBox write-through drive not working on Ubuntu
I have a VirtualBox VM with Ubuntu installed on normal VDI, and I added another write-through VDI so that I could keep my code intact when I switch between different system snapshots which I use for ...
- 6,478
0
votes
1
answer
82
views
retrieve vmware snapshot from copied virtual disk
I created ubuntu vmware virtual machine in windows 7. I created its virtual hard disk (vmdk) on an external hard disk. I took some snapshots in due time. I've burnt my laptop recently and I'm happy ...
- 335
0
votes
1
answer
32
views
Replacing original VDI file with the Snap Shot made from it
I have worked with Virtualbox extensively for the first time. I made a snapshot of an Ubuntu image I was working with. I have been experimenting with the VM for the last two months, and since things ...
- 101
0
votes
1
answer
632
views
Ubuntu Cron ec2-create-snapshot
I have a new ec2 Ubuntu instance running. I have properly set up the ec2-api tools. I want to create a daily backup using the ec2-create-snapshot command.
Just to test it, I have my script, which is ...
- 101
1
vote
3
answers
2k
views
How to save state of ubuntu installation in vmware
I want to save the state of ubuntu 13.10 in vmware virutal machine, so I can rollback to previous state if any further configuration i ubuntu goes wrong?
- 21
0
votes
1
answer
336
views
Why does rsnapshot not back up /var/lib/mysql/*?
In rsnapshot's config file I added /var/lib/mysql/ as another source directory to back up.
But rsnapshot does not back it up. Why?
/var/log/rsnapshot does not list a relevant warning.
The owner of /...
