My changes disappeared
piCorePlayer uses piCore which is predominately a RAM based system, so nearly everything is stored in RAM. If you modify or add files it is highly likely that you are doing the changes in RAM. So after a reboot your changes may disappear.
To make changes persistent you need to do one of the following:
- add/modify files in your
/home/tcor/optdirectories, then do a backup—see piCorePlayer backup. Thehomeandoptdirectories are already included in/opt/.filetool.lstso they get included in a backup. - add/modify files, then edit
/opt/.filetool.lstto include these files, then do a backup—see piCorePlayer backup. - add files directly on the
rootpartition of your storage device (ie./mnt/mmcblk0p2). - add files directly on the
bootpartition of your storage device (ie./mnt/mmcblk0p1).
Warning
The boot partition is used during the boot process and by default is normally unmounted.
piCorePlayer backup
pCP Team
19 April 2022
pCP 6.1.0
Backup
The “backup” on piCorePlayer is not a backup in the normal sense. As piCorePlayer is essentially a readonly RAM based system, it needs a mechanism to save the configuration files so the changes can be restored after a reboot. To achieve this, the piCore includes a program called
filetool.sh that allows for a selective backup of files and directories that are listed in the file /opt/.filetool.lst—see Typical .filetool.lst
The default backup file is
/mnt/mmcblk0p2/tce/mydata.tgz and is stored directly on the SD card in a persistent location. The files stored in the backup are automatically restored every time piCorePlayer reboots. This backup is not done for safety reasons, it is an essential part of the boot process.
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