Make SD Image 20240130

notes24/mkSDImage20240130.txt

eepp@sisters:~$ df
Filesystem     1K-blocks     Used Available Use% Mounted on
udev             3970596        0   3970596   0% /dev
tmpfs             800276     2344    797932   1% /run
/dev/sda5       92478800 40247416  47507724  46% /


eepp@sisters:~$ mkdir image_backup
eepp@sisters:~$ cd image_backup/
eepp@sisters:image_backup$ ls /media/eepp/
system-boot  writable


eepp@sisters:image_backup$ mount | grep "/media/eepp/system-boot"
/dev/sdb1 on /media/eepp/system-boot type vfat (rw,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)
eepp@sisters:image_backup$ sudo umount /media/eepp/system-boot 
[sudo] password for eepp: 
Sorry, try again.
[sudo] password for eepp: 
eepp@sisters:image_backup$ sudo dd if=/dev/s
sda       sda3      sda6      sdb       sg0       snapshot  stdin
sda1      sda4      sda7      sdb1      sg1       snd/      stdout
sda2      sda5      sda8      sdb2      shm/      stderr    
eepp@sisters:image_backup$ sudo dd if=/dev/sdb1 of=rpi-copy.img
524288+0 records in
524288+0 records out
268435456 bytes (268 MB, 256 MiB) copied, 11.1261 s, 24.1 MB/s
eepp@sisters:image_backup$ ll
total 262152
drwxrwxr-x  2 eepp eepp      4096 Jan 30 16:15 ./
drwxr-xr-x 76 eepp eepp      4096 Jan 30 16:02 ../
-rw-rw-r--  1 eepp eepp         0 Jan 30 16:05 rpi4-copy.img
-rw-r--r--  1 root root 268435456 Jan 30 16:15 rpi-copy.img
eepp@sisters:image_backup$ emacs ~/notes24/mkSDimage20240130.txt&
[1] 9688
eepp@sisters:image_backup$ 

https://askubuntu.com/questions/299081/how-do-i-create-a-backup-image-of-an-sd-card