Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [persistence]

Questions about persistent state, when information is not lost during processing through an information system. The term is often used for the principle when if something is saved then it could be loaded without informational loss or for transferring information from system A to system B without informational loss.

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Why is an OS installed on a USB thumb drive so much slower than a live OS running off the same thumb drive?

Running Fedora 26 in a live environment almost feels like native speed to me, but when I install the OS to a thumb drive and boot into it, everything takes forever to startup. Once things start they're generally much faster but it's practically…
hermancain
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UEFI + BIOS bootable live Debian stretch/buster/bullseye amd64 with persistence

All of the information I currently find on this matter is insufficient for my taste. It is either outdated, misleading or even wrong, seems overly complicated or not covering this specific question. Goals: bootable USB drive (both UEFI and legacy…
schlimmchen
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Linux Mint 18 with Cinnamon Session Save and Restore

Is there any way to save the position / workspace and possibly state of all of my open programs so that when I restart I can restore everything to exactly where it was before without having to reopen and reposition everything?
Chris
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How to create a Debian live USB with persistence?

I would like to use Debian wherever I go by installing it on a USB flash drive, but I'm not sure how to make it save the settings and be able to install/update packages without loosing them on reboots. So I downloaded a Hybrid ISO image from this…
Pierre
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How to store / load exported environment variables to / from a file

I would like to be able to save my current environment in a file (for a running interactive session), so that I can: Save it, export/modify/delete variables at will in the running session, then restore the saved environment Switch at will between…
Nonyme
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Alternatives to Debian Live for persistent Debian system on USB

For the last six years, my main workstation has consisted of a pen drive running the Debian Live images with a persistent partition. The images were simple, brilliant and reliable, and the online web builder for images was perfect for my…
ShankarG
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how to create multiboot usb w/ persistence for multiple OS

I'm installing multiple operating systems on a usb drive I recently purchased for this purpose and was wondering how to create a usb drive with multiple persistent OS's that will be linux based and have a capacity > 4gb of the casper-rw file and was…
user114837
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dmsetup: Where is persistent metadata stored?

The dmsetup snapshot documentation says: is P (Persistent) or N (Not persistent - will not survive after reboot). O (Overflow) can be added as a persistent store option to allow userspace to advertise its support for seeing…
Tom Hale
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How to use casper-rw file for persistence

I have my USB stick setup using Easy2Boot. It allows me to drop ISO files onto the USB drive and boot from there no config or tweaking needed. I have been doing research on making it persistent. I have found that you can use a file or a partition…
ZaxLofful
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Does btrfs sync "suffer" from same issues as btrfs snapshot?

Targeting "roughly okay backups" of a running system that uses BTRFS as filessytem, I seek an answer regarding Can option a) btrfs filesystem sync (sync(1)) be used to force an "okay" filsystem state of "persisted on disk" data, similar to…
humanityANDpeace
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Making cpupower changes persistent

I have been fiddling with power management and I can't find a way to make the changes I want persistent. For example, I have set the maximum cpu frequency with this command: sudo cpupower frequency-set --max 2GHz but the value goes back to its…
fresh
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Persistent iptables

I've just read about iptables-persistent and I'm completely lost w.r.t. the design. I'm not the only one, who didn't understand how it works, but actually it seems to be way beyond my imagination. I imagined something like crontab -e: You edit a set…
maaartinus
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Tiny Core Linux persistent home directory

I have a command line frugal install of Tiny Core and I want to have a persistent home directory, because the programs I run save results there. I read the persistent option details and followed these instructions. Already added the…
Patartics Milán
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How to restore casper-rw file to a casper-rw partition

New to Linux and using Mint 17.2. Started with persistent Live USB that ran out of space after a week. So made a backup of everything (entire filesystem) including the casper-rw file, created new Live USB with casper-rw partition instead of…
Grim
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How do I ensure all data to an SSH pipe is sent, despite lengthy disconnects?

I'm on a laptop with intermittent internet connectivity. (i.e. I sometimes don't have network for a week.) I want the output of a process on my laptop to end up on my server. It all needs to get there, eventually, through SSH, and without me…
Anko - inactive in protest
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