Bonjour Raoul !!
je viens de comprendre ce qui se passe en suivant tes conseils:
Mot de passe :
Suson:~ # fdisk -l
Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors
Disk model: ST500DM002-1BD14
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xaf22e579
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 21680127 21678080 10.3G 83 Linux
/dev/sda2 23261184 117434367 94173184 44.9G 83 Linux
/dev/sda3 161447936 195973119 34525184 16.5G 83 Linux
/dev/sda4 263122944 306847743 43724800 20.8G 83 Linux
Disk /dev/sdb: 223.57 GiB, 240057409536 bytes, 468862128 sectors
Disk model: KINGSTON SV300S3
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: B9EF4F81-3BEF-4F8A-847D-F51975B29721
Device Start End Sectors Size Type
/dev/sdb1 2048 16949247 16947200 8.1G Linux swap
/dev/sdb2 16949248 59938815 42989568 20.5G Linux filesystem
/dev/sdb3 235284480 237238271 1953792 954M EFI System
/dev/sdb4 190701568 233566207 42864640 20.4G Linux filesystem
/dev/sdb5 233566208 235284479 1718272 839M EFI System
Partition table entries are not in disk order.
Disk /dev/mapper/veracrypt1: 20.85 GiB, 22386835456 bytes, 43724288 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x00000000
Suson:~ #
En fait ces répertoires sont dans la partition sda4 qui m'a servi pour veracrypt; ledit veracrypt installé avec ma Debian-Sid; et donc les droits d'accès du contenu de sda4 ne peuvent être modifiables que par le su de Debian-sid.
Ce pourquoi, via le su de Suse-Tumbleweed, ça ne marche pas!
Es-tu d'accord ??
Suson:~ # mount
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
devtmpfs on /dev type devtmpfs (rw,nosuid,size=3983484k,nr_inodes=995871,mode=755,inode64)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,inode64)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,size=1598216k,nr_inodes=819200,mode=755,inode64)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
none on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
/dev/sdb4 on / type ext4 (rw,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=30,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=17671)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,nr_inodes=409600,inode64)
/dev/sdb2 on /Siderante type ext4 (rw,relatime,data=ordered)
/dev/sdb5 on /boot/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
/dev/sda2 on /mesdocs type ext4 (rw,relatime,data=ordered)
/dev/sda1 on /homeSid type ext4 (rw,relatime,data=ordered)
/dev/sda3 on /home type xfs (rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=799104k,nr_inodes=199776,mode=700,uid=1000,gid=100,inode64)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=100)
veracrypt on /tmp/.veracrypt_aux_mnt1 type fuse.veracrypt (rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other)
/dev/mapper/veracrypt1 on /mnt/veracrypt1 type vfat (rw,relatime,uid=1000,gid=100,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/mapper/veracrypt1 on /run/media/alain/1C53-7B25 type vfat (rw,nosuid,nodev,relatime,uid=1000,gid=100,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro,uhelper=udisks2)
Suson:~ #