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SUSE Certified Engineer (SCE) in Enterprise Linux Questions with Correct Answers
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SUSE Certified Engineer (SCE) in Enterprise Linux Questions with Correct Answers
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SUSE Certified Engineer (SCE) in Enterprise LinuxQuestions with Correct Answers
List Snapshots Correct Answer-# snapper list
Locate Snapshots in the system Correct Answer-# mount | grep snapshot
Create a timeline snapshot called "my snapshot" Correct Answer-#
snapper create --cleanup-algorithm timeline --description "my snapshot"
Show differences between snapshot 21 and snapshot 22 Correct Answer-
# snapper diff 21..22
# snapper status 21..22
View meta-information about snapshot 22 Correct Answer-#
cat /.snapshots/22/info.xml
# cat /.snapshosts/22/filelist-21.txt
List available snapper configurations Correct Answer-# snapper list-
configs
Create a snapper configuration named "data1" for the /data1 subvolume
Correct Answer-# snapper --config data1 create-config /data1
(it's necessary to have created the subvolume first with "btrfs subvolume
create /data1")
, Create a snapshot based on the "data1" configuration, using the cleanup
algorithm "timeline" and with the description "mydata1snapshot"
Correct Answer-# snapper --config data1 create --cleanup-algorithm
timeline --description mydata1snapshot
List the snapshots that use the "data1" configuration Correct Answer-#
snapper --config data1 list
Delete the snapshot numbered 22 Correct Answer-# snapper delete 22
What does a systemd Unit File (Unit Configuration File) do? Correct
Answer-A unit configuration file encodes information about a service, a
socket, a device, etc.
What is the difference between "disabling" a service -versus- "masking"
a service? Correct Answer-After "disabling" a service, an unmasked
service can still be started manually; after "masking" it, it cannot
List the configured systemd targets Correct Answer-# systemctl list-
units type=target
Switch to the "multi-user" target Correct Answer-# systemctl isolate
multi-user.target
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