What is / data / backup / for on android and culd i deletes the files it contains (try saving with TWRP)

I need to delete the files from this folder because I am trying to make a backup with TWRP from my system, but the files (or only one of them) address my backup and I will not be able to do it. get the error 255

I:Error adding file '/data/backup/xwLBFGdSbAq4bs4zMw1ZvB' to '/data/media/0/TWRP/BACKUPS/4741abba/2019-08-18--12-41-39_lineage_dipper-userdebug_9_PQ3A190705003_bd/data.ext4.win000'
Fehler beim Erstellen der Sicherung. (Error while creating a Backup)
I:ERROR tarList for thread ID 0
Fehler beim Erstellen der Sicherung. (Error while creating a Backup)
I:InfoManager saving '/data/media/0/TWRP/BACKUPS/4741abba/2019-08-18--12-41-39_lineage_dipper-userdebug_9_PQ3A190705003_bd/data.info'
Prozess createTarFork() endete mit FEHLER: 255 (Proces endet with error: 255)
Sicherung fehlgeschlagen, bereinige Sicherungs-Verzeichnis (Backup faild, Clean ?Files?)
I:Copying file /tmp/recovery.log to /data/media/0/TWRP/BACKUPS/4741abba/2019-08-18--12-41-39_lineage_dipper-userdebug_9_PQ3A190705003_bd/recovery.log

the errors were partially in German but I wrote a pretty good translation behind them.

for the phone:

  • xiaomi mi 8
  • 256 GB (9% used)

backup – How to delete snapshots on Freenas

I've got a freenas server as backup server – every night it creates a snapshot of a dataset and a few minutes later an rsync task starts backing up the data on my freenas.

On the web, I have the ability to automatically create snapshots and delete them only after a while.

Does anyone have a script to clear up snapshots? I only want to have a daily overview of the last week, a weekly of the last 6 weeks and a month for 2 months before these 6 weeks …

(The data is volatile, so erasing the snapshots would preserve a bit of space).

macos – Where is system.log in the TimeMachine backup

I would like to get old versions of TimeMachine's /private/var/log/system.log files. Is it possible? How?

I see the current system.log files. I went to folder / private / var / log then called TimeMachine.

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When I go back to the previous backup, I do not see the system.log files.

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relates to
do I-find-the-last-time-a-specific-usb-was-connect-a-my-mbp7

The user wants to consult the macOS log files to view the external disk mount history. The data is in "/private/var/log/system.log". The necessary data are from one month old. A month is longer than a normal system.log backup is kept. Attempted to search timemachine backup, but it looks like old system.log files are not preserved.

What happens with the log backup if I reset the SQL Server clock?

What happens with the log backups if I reset the SQL Server clock? This occurs at least once a year in countries where the summer time is up. Will restoration at any given moment with the STOPAT option fail?

Using fn_dump_dblog, I see it after setting the clock two hours back.

fn_dump_dblog.

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Android Backup

How can we back up our Android rom stock using a terminal?
Do not ask yourself how to back up the data (messages, photos, etc.), but the operating system.
so that if something goes wrong when flashing a custom rom, I can go back to my rom stock.

encryption – Backup Gallery – Do you have any explanation on how to encrypt + hide files in the vault and on the SD card?

The Vault application of the gallery shows their support SD card, but I can not find any tutorial on its use and I do not see anything in the application that explains that.

Anyone here knows how to use the trunk of the gallery with the SD card and encrypt and hide the files from the SD card?

Thanks in advance!

How to structure the layout and backup system of my game concept?

I am a big fan of Minecraft and (to some extent) Terraria. I've always wanted to create my own version of this type of Creative Sandbox game, and recently I've thought of so many things that I could add.

The game I imagine is very different from these two games. It's 3D, and cartoony to a point but not too cartoony not to be realistic. I speak more realistic than the style of Fortnite but I do not want to try to make a photo-realistic game.

I want the world of my games to be more fluid than Minecraft and Terraria. I do not want the player to be necessarily limited to a grid of blocks, even if it should perhaps be implemented at certain times, as when the player places parts of a structure down (blocks).

Generated structures such as trees, rocks and terrain, I do not really want to be blocked or constrained to a defined grid.

The objects I see being able to place in the world are, for example, wooden columns forming the base of a house, wall blocks for a house, tables and chairs, doors and various blocks necessary for the creation of different objects.

I like the way the Minecraft and Terraria worlds are generated and saved. It's simple: each coordinate is a block and can be stored very easily. I still have not figured out how I could save the kind of world I want in my game, though.

So my question is: how to structure the terrain, the structures and the system of arrangement / saving of the blocks placed by the player so as to be able to save it efficiently and to write it relatively simply?

One thing I thought about: there is a mod for Minecraft called the mod without cubes that basically removes all the cubes from the game and seamlessly blends the blocks to each other. This could be a good way to create this game because the blocks are always stored in the same way, but they are not real blocks and the terrain can be made more realistic by this method.

twrp – Lineage OS 16, the Nandroid backup does not work

I am currently working on the April 29 version of LineageOS for MicroG 16.0 on my OnePlus 5 (cheeseburger). I've tried to update the device using the built-in update tool, but the device has just restarted in TWRP and displays the TWRP logo screen during a time. After that, I got this error message:

Checking for MODEM build time-stamp 2019-07-18 14:56:39
Error: This package requires firmware version 9.0.7 or newer.
Please upgrade firmware and retry!
Updater process ended with ERROR: 7
Error installing zip file '@/cache/recovery/block.map'
Done processing script file

After looking for a solution, I decided that it would be best to just back up my data and reinstall Lineage.

After reviewing my options, I decided that a backup on Nandroid via TWRP was my best option. So, I tried to take one. This was the result:

createTarFork() process ended with ERROR: 255
Backup Failed. Cleaning Backup Folder.

If I adb pull my recovery.log, this is where I get my errors:

E:tar_open error opening '/data/media/0/TWRP/BACKUPS/(serial_number)/2019-08-10--23-11-06_lineage_cheeseburger-userdebug_9_PQ2A190405/data.ext4.win000'
Error creating backup.
I:Error creating tar '/data/media/0/TWRP/BACKUPS/(serial_number)/2019-08-10--23-11-06_lineage_cheeseburger-userdebug_9_PQ2A190405/data.ext4.win000' for thread 0
Error creating backup.
I:ERROR tarList for thread ID 0
Error creating backup.
I:InfoManager saving '/data/media/0/TWRP/BACKUPS/(serial_number)/2019-08-10--23-11-06_lineage_cheeseburger-userdebug_9_PQ2A190405/data.info'
createTarFork() process ended with ERROR: 255

I have read this type of error and discovered that it means that these files have been corrupted and need to be removed. The strange thing is that the day before yesterday, when I deleted the files from the directory / data / media / 0 / TWRP / BACKUPS / (serial_number) /, and then I tried to perform a new backup, the files were regenerated in the same directory, which even has error. I also find it strange that the files causing the failure of the backup also seem to be backup files, although I have never made a successful backup of Nandroid on my device.

So, what can I do to correct this error and finally be able to back up and update my device?

Helps save photos separately and restore the remaining data on a backup phone

Could anyone suggest how to perform a telephone switchover?
I had saved all the data on iCloud from my old defective phone so I could then restore it to a spare iPhone.
But I had so much data related in the photos that I could not restore the backup on the iPhone available (only 16 g).
Hoping that someone can recommend how:
– save all data except the pictures on the replacement phone
– and recommend keeping photos elsewhere until I can sort and delete unwanted photos