Example error:
tutorialspots# sudo snap install core
error: system does not fully support snapd: cannot read the value of
fs.may_detach_mounts kernel parameter: open
/proc/sys/fs/may_detach_mounts: no such file or directory
Check your current kernel version:
tutorialspots# uname -msr Linux 3.10.0-514.21.2.el7.x86_64 x86_64
Fix:
Upgrade CentOS kernel version >= 3.10.0-620.el7
