RedHat Updated EX200 Exam Questions and Answers by serena

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[shangrila@node1 ~]$ podman ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

d5ffe018a53c registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 5 seconds ago Up 4 seconds ago logserver

[shangrila@node1 ~]$ podman stats logserver

Error: stats is not supported in rootless mode without cgroups v2

[shangrila@node1 ~]$ podman stop logserver

d5ffe018a53ca7eb075bf560d1f30822ab6fe51eba58fd1a8f370eda79806496

[shangrila@node1 ~]$ podman rm logserver

Error: no container with name or ID logserver found: no such container

[shangrila@node1 ~]$ mkdir -p container-journal/

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[shangrila@node1 ~]$ sudo systemctl restart systemd-journald

[sudo] password for shangrila:

[shangrila@node1 ~]$ sudo cp -av /var/log/journal/* container-journal/

[shangrila@node1 ~]$ sudo cp -av /var/log/journal/* container-journal/

[shangrila@node1 ~]$ sudo chown -R shangrila container-journal/

[shangrila@node1 ~]$ podman run -d --name logserver -v /home/shangrila/container-journal/:/var/log/journal:Z registry.domain15.example.com:5000/rhel8/rsyslog

[shangrila@node1 ~]$ podman ps

[shangrila@node1 ~]$ loginctl enable-linger

[shangrila@node1 ~]$ loginctl show-user shangrila|grep -i linger

Linger=yes

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[shangrila@node1 ~]$ podman stop logserver

[shangrila@node1 ~]$ podman rm logserver

[shangrila@node1 ~]$ systemctl --user daemon-reload

[shangrila@node1 ~]$ systemctl --user enable --now container-logserver

[shangrila@node1 ~]$ podman ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

3903e1d09170 registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 4 seconds ago Up 4 seconds ago logserver

[shangrila@node1 ~]$ systemctl --user stop container-logserver.service

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[shangrila@node1 ~]$ sudo reboot

[shangrila@node1 ~]$ podman ps -a

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

7e6cd59c506a registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 10 seconds ago Up 9 seconds ago logserver

groupadd admin

useradd -G admin mary

useradd -G admin alice

useradd -s /sbin/nologin bobby

echo "password" | passwd --stdin mary

echo "password" | passwd --stdin alice

echo "password" | passwd --stdin bobby

getenforce // Check the current mode of SELinux // SELinux runs in enforcing mode // Check

getenforce 1

getenforce

vim /etc/selinux/config selinux=enforcing // To temporarily enable SELinux

wg

sestatus

cd /usr/local

tar –jcvf /root/backup.tar.bz2

mkdir /test

tar –jxvf /root/backup.tar.bz2 –C /test// Decompression to check the content is the same as the /usr/loca after

If the questions require to use gzip to compress. change –j to –z.