While it is seems to be quiet obvious for most people 1) how to resize any stack of LUKS, ext2,3,4, LVM, MSDOS or GPT partitions, it becomes strange if you're using Ubuntus package cryptsetup 2)
~ # lvresize -L 22.5G /dev/vg_sys/lv_home ~ # cryptsetup resize home ~ # resize2fs /dev/mapper/home resize2fs 1.42.10 (18-May-2014) resize2fs: Device or resource busy while trying to open /dev/mapper/home Couldn't find valid filesystem superblock. ~ # mount | fgrep home /dev/mapper/home_unformatted on /home type ext3 (rw,relatime,data=ordered) ~ # resize2fs /dev/mapper/home_unformatted resize2fs 1.42.10 (18-May-2014) open: No such file or directory while opening /dev/mapper/home_unformatted ~ #
The remedy is simple:
dmsetup rename home home_unformatted resize2fs /dev/mapper/home_unformatted dmsetup rename home_unformatted home
Get current memory need:
cryptsetup luksDump /dev/<device> | fgrep Memory
Set new memory need:
cryptsetup luksConvertKey --key-file /path/to/keyfile --pbkdf-memory=10240 /dev/<device>
References:
Not exactly LUKS related, but shows up in the context
gnome-keyring-daemon -r
Reference:
Reference article seems to be out of date.
Reference
Um .. aeh … really
apt install libsecret-1-dev git clone https://gitlab.com/GrantMoyer/lssecret.git cd lssecret make DESTDIR=/usr/local/lssecret make install ln -s ../lssecret/bin/lssecret /usr/local/bin lssecret -s
References: