1. tailscale.com
2. https://www.zerotier.com/
3. https://www.twingate.com/
https://www.baeldung.com/linux/storage-device-check-health
https://serverok.in/mount-unknown-filesystem-type-lvm2_member
https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Mount-mount-dev-mapper-vg00-lvol1-on-mnt-StorageMedia-failed-Structure-needs-cleaning-error-when-trying-to-mount-storage-in-Flame.html
https://www.linuxsysadmins.com/resize-root-lvm-partition-in-linux/
https://www.linuxsysadmins.com/resize-root-lvm-partition-in-linux/
https://linuxhint.com/xfs-repair/#post-276244-_sx44t3s3ishr
https://www.youtube.com/watch?v=mnZ3YUnKzDU
https://systemzone.net/lvm-management-in-centos-red-hat-7-linux/
# vgchange -ay
# e2fsck -ff /dev/mapper/rhel-root
xfs_repair -L /dev/mapper/centos-root