최신Oracle Linux 8 Advanced System Administration - 1Z0-106무료샘플문제
Which two features does a user private group provide?
Which three statements are true about DNF modules?
Which two statements are true about container technology?
Examine this content from /etc/chrony.conf:
...
pool pool.ntp.org offline
driftfile /var/lib/chrony/drift
keyfile /etc/chrony.keys
...
Which statement is true about pool.ntp.org?
You must add an additional swap device and you add this entry to /etc/fstab:
/.swapfile none swap defaults 0 0
Examine these commands and output:
# dd if=/dev/zero of=/.swapfile bs=1024 count=1048576
1048576+0 records in
1048576+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.32499 s, 248 MB/s
# swapon -a
swapon: /.swapfile: insecure permissions 0644, 0600 suggested.
swapon: /.swapfile: read swap header failed
Which two actions must you perform to add this swap device?
Which two default user account settings are contained in /etc/login.defs?