Questions tagged [backup]
Making copies of data so that the copies may be used to restore the original after a data loss event, or for historical retention.
3,987 questions
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How to Fully Clone Two Ubuntu 22.04.5 Servers to Another Using rsync Without Conflicts?
I have an Ubuntu 22.04.5 server (Server A) that I want to fully clone to another server (Server B) in such a way that Server B becomes an exact replica of Server A (system files, configurations, data, ...
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Best strategy to keep backup mirrored on 3 different hard drives on Linux: rsync? mergerfs? something else?
Let's says I have a server and 3 different hard drives.
I want to know what are the pros and cons of different backup strategies. Here are the requirements:
I want that a new file is being ...
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Connecting a Backup-Server to a Tape Library using Fibre Channel without a Switch and across Buildings
Our idea is, to have a backup server in building A and a tape library in building B.
Building A and B are already connected via OS2 SingleMode.
The tape library is only available with a MultiMode FC ...
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ESXi datastore full after snapshot/backup
I have an ESXI Essentials 6.7 U3 host. Two datastores with 1 VM in each. In datastore1 i still have space available in VMFS. In datastore2 my single VM uses all the disk space (Thick).
So what ...
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Which is cost efficient?Azure backup and Snapshots, when backup is stopped and retain for 6 months?
My VM is in the stopped state(deallocated). But i want to keep the last backup data for 6 months and stop backup. So which is the best option to take retain backup data or take snapshot. Which is the ...
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MABS Server running out of disk space - Can we relocate the backups? (to expand underlying storage pool)
We have a Microsoft Azure Backup server that is running low on disk space.
The Server is WS2022, running latest version of MABS. It has 8 drive bays, 6 of which are currently in use (6x2.4TB). It is ...
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How to secure a backup server when i send data via ssh
When I backup another server, I put my private key on the server to be able to send with ssh the data I want to backup.
But if a hacker compromises my server they will also be able to access the ...
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Restore data from incremental duplicity backup when the encryption key has changed
To backup important files on a Ubuntu 22.04 machine, I run a daily incremental backup via duply. The backup is stored on an external SFTP server, therefore I configured a GPG_KEY in duply, causing ...
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Wordpress on VULTR - Syncing to another Server
We have a server hosted on VULTR through Cloudways.
We just experienced a 15 hour shut down by VULTR (server is back up now) but this has led to my looking into how I can have a backup server that is ...
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Is my Ubuntu/Postfix backup Email server working properly? : "connect to mail.mydomain.com[483.31.59.1]:25: Connection refused" How to fix?
I have two email servers running Ubuntu 22.04, with postfix. My main email server is working flawlessly. However, there are times when the email server goes down for maintanence or updates. During ...
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Why is my pg_basebackup incompatible with Postgres?
I have a backup shell script which runs pg_basebackup every night. When I try to run it though I get this error message saying that pg_basebackup is apparently not compatible with Postgres.app version ...
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Proxmox: error on backups: backup connect failed: command error: Invalid argument (os error 22)
I have a proxmox instance and I added a proxmox backup server as datastorage, everything seems to be fine but when I try to generate a backup I've got this error:
INFO: starting new backup job: vzdump ...
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Ubuntu: Use anacron and rsync for monthly backups to external drive
My goal is to write monthly backups of my ubuntu /home/ directory to an external drive, which after connecting it to the computer I can see at /media/ironman/Elements. To this end I use rsync.
The ...
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Tape backup fails with odd MTX errors
First the hardware and software in use. I am using a Qualstar RLS-84000 tape library, plus an expansion, with four IBM LTO-6 drives. The drives are connected to a single x86_64 server via SAS with an ...
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Can an AD Object with deny all permissions for Authenticated Users be recovered?
I have an Active Directory user where Security permissions were set to Deny all for the Authenticated Users principal.
That object now can't be read, such that the type is now Unknown instead of User.
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how to make a full and whole backup (or image backup) of a HP servers with linux os and Raid [closed]
I have two Hp proliant DL380 G7 and G6 servers.
Both servers have linux oracle 7.9 OS and One of the servers is raid 1 and another server is raid 5 .
I want to make a full backup (or full image backup)...
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Backup files not saved with original user
I'm using rdiff-backup to backup from local filesystems to a remote Hetzner server with a mounted remote storage box. The storage box is mounted on the remote server as a cifs filesystem. The backup ...
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Encrypted backup duplication without decrypting (rsync or other)
I have a LUKS filesystem in a sparse file, containing a lot of backed up files.
I would like to regularly copy this backup elsewhere (off-site), with read speed and bandwidth constraints (not ...
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Backup Mariadb from replica
I have cloud server with a MariaDB database that I want to backup.
To avoid use the bandwith to transfer locally generated backup files from the cloud service to my backup server, one of the ...
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Backup Dbeaver with postgres
I'm tring to apply backup using DBeaver with postgres:
1: Create backup:
enter image description here
2:
enter image description here
3: I try apply restore on another database and get this:
enter ...
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Azure VM stuck on GRUB Bootloader after kernel upgrade
I've an Azure VM that has had quite a lot of extra work regards its networking etc performed as post-create setup. Having read about a particular vulnerability that the VM was susceptible to (judging ...
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Do I have to include the server secret (used to encrypt passwords) in the backup?
I have been requested to create a backup of a server. The server is Linux Ubuntu 22.04.2 where the core application (nodejs) + management software (nodejs / bash scripts) + monitoring (nodejs / net-...
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How can I query the version number of a remote rsync server (daemon)?
How can I query the version number of a remote rsync server (or daemon)?
I can find out the version number of my local rsync client using --version:
% rsync --version
rsync version 3.2.7 protocol ...
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rsnapshot du shows huge difference in size between two backups, rsnapshot-diff says nothing changed between them
I'm on Debian 12. My backup drive filled up so I'm trying to figure out what is using so much space. Somehow the most recent backup is not hourly.0, it's hourly.20 and from a few days ago ("...
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Velero backup PV freezes whole server
I am facing an issue while trying to backup a namespace with PV in it: after running command velero backup create nginx-example-with-pv --include-namespaces nginx-example i am unable to execute velero ...
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TSM rebuild complete backup after operating system migration
I have a server with several mounted external drives from JBODs. This server ensures that the backup is done using TSM software. This server now had an operating system migration due to end-of-life. ...
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AWS Organizations does not allow Backup policy covering af-south-1
We use AWS Backup via a policy set at the AWS Organizations level (in the management account).
I now want to expand the policy to cover the af-south-1 (Cape Town) region, but that region is not ...
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Best Practices for Proxmox Backup Server(local or SAN)
I'm looking for some advice on optimizing my Proxmox Backup Server setup.
Here's my current setup:
I have three Proxmox hosts, each connected to a SAN via iSCSI with dual fiber switches.
Additionally, ...
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Velero Web UI for kubernetes
Does Velero supports Web UI or is it just CLI,
I have seen couple of Github repos with the SC.
https://github.com/winnieoursbrun/velero-ui
https://github.com/hsmade/velero-ui
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StoreOnce 3540 System Library Offline
I have a StoreOnce 3540 System.
In VTL/Libraries, i have one as offline.
enter image description here
How can i turn it online?
Thanks.
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Kasten k10 dashboard 504 error
I Have installed the Kasten k10 on AWS k8, trying to access the dashboard from service port forward.
Dashboard has an network error with error logs on dashboard-svc pod and Gateway pod.
Below are the ...
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Total space in bkps using rsync and hardlinks: who is right between du and Synlogy web interface?
I bkp my server root partition on a Synology NAS (fs: btrfs) mounted as NFS on /mnt/bkps using this script that is based on rsync and hard links, to to have daily bkps.
If I check the space using du ...
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Script to wake up and shutdown a remote backup server after rsync command
How can I script the wake up of a remote backup server (with Ubuntu Server 22.04), and after rsync command is complete, shutdown the server.
For example, the server would turn on every Friday at 12am ...
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Cron job starts but doesn't wait to be completed [duplicate]
I've made a tool for backing up website files & DB. It works as expected if ran by any user. Usually it takes around a minute to run in my configuration. When I added it to the cron it starts but ...
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Why restoring a partial backup is overwriting my whole Google Cloud database?
I have two projects in Firebase/Google Cloud, one for Development and another for Production (where the app is live).
Steps I took
I exported a specific collection from the database of my Production ...
google-cloud-platform
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Can rdiff-backup delete increments between backups, *not* the oldest ones?
With backup software I'm used to having an option like "only keep weekly snapshots older than a year, then only keep monthly snapshots older than two years". Basically, save space by ...
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Extract hard linked backup data from file server with rsync to exFAT file system
I need to gradually extract all data of the specific directory from Time Machine backup so:
it fits the destination drive size
it has no hard links because destination volume file system is exFAT
it'...
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Is it possible to backup across multiple hard drives?
I'm going to be setting up an 8x20TB ZFS RaidZ2 with no spare. This will give me roughly 100TB of storage for large 3D model files.
I want to purchase some extra HDDs so I can periodically backup and ...
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PostgreSQL Backup: how to activate backup mode non-interactively
Hello PostgreSQL experts!
I'm running a postgresql 15 server with multiple database instances ("clusters"), which uses Netapp NFS as storage for the data and WAL directories. I'm trying to ...
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Windows 10 File History
Not sure if this is possible, but i was hoping that the File History versions would be restorable over the network and for all users who have access to the share.
Currently, the versions are only ...
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Backup server for several servers with yesterday's files
There are several servers under CentOS with PHP projects, and the task is to make a server (or servers) for them to store yesterday's versions of uncompressed files of all projects from all servers, ...
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Secondary internet backup for ISP blackout
We have a internet backup when 1st internet get shutdown(outage), but during ISP blackout the internet doesn't switch because its set up in a way to ping the default gateway but u can still ping it ...
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rsync uncompressed to single compressed archive
Question
How can I rsync uncompressed (but highly compressible) data to a single compressed archive (.tar.gz, .zip, etc) without transferring all the data each time?
Current
This is what I am using ...
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How to backup a linux server to another storage while there is not enough storage space in the system
For example I have a ubuntu server 20.04 with 200gb disk and 150gb of that storage is full.
And I want to backup the data in this system to a remote system.
Is there a way to push all the data to S3 ...
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Virtual Tape Libraries for Microsoft Data Protection Manager - Replacement for Crystalink Firestreamer?
What VTLs do you all use to allow DPM to store off-site?
My current environment uses Microsoft DPM for all of its backups. DPM stores the backups locally just fine, but to get it to store digital ...
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How to configure a LSI MegaRAID controller to host non-RAID backup disks which allow hot swap
I'm running a server with a LSI MegaRAID controller that has 4 slots in the backplane for 4 SATA HDDs. Two of those slots are used for HDDs which are configured as RAID1 which is used as the "...
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Save the atjobs command time records for Backup
I wonder if there is a simple way to save the time records that has been applied by Atjobs, because I need to save the times already defined by Atjobs when making a system switch for example.
As far ...
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ZFS permission error 'cannot set property' when receiving snapshot from remote machine despite delegated permission
Context
I'm setting up ZFS autobackup on my home server for offsite backups. All commands printed below are run as non-root.
Problem
A 'permission denied' error arises originating from the target ...
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Trying to clone old linux machines using to img methods
I found this handy website to show how to clone drives to a img file:
https://www.maketecheasier.com/clone-entire-hard-drive-linux/
What neatish looking option was partimage, so I wanted to get that ...
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Backup of organization's GitHub repository
Is there any guides/best practices/manuals describing how to organize periodical backup (and of course restore if needed) of entire organization's GitHub, preferably with metadata?
github