Pass the RedHat RHCSA EX200 Questions and answers with ExamsMirror

# cat /etc/grub.conf

# cd /boot

# lftp it

# get dr/dom/kernel-xxxx.rpm

# rpm -ivh kernel-xxxx.rpm

# vim /etc/grub.conf

default=0

[root@node1 ~]# vim /etc/yum.repos.d/redhat.repo

[BaseOS]

name=BaseOS

baseurl=http://utility.domain15.example.com/BaseOS

enabled=1

gpgcheck=1

gpgkey=http://utility.domain15.example.com/RPM-GPG-KEY-redhat-release

[AppStream]

name=AppStream

baseurl=http://utility.domain15.example.com/AppStream

enabled=1

gpgcheck=1

gpgkey=http://utility.domain15.example.com/RPM-GPG-KEY-redhat-release

[root@node1 ~]# yum clean all

[root@node1 ~]# yum repolist

repo id repo name

AppStream AppStream

BaseOS BaseOS

[root@node1 ~]# yum list all

*

•

[root@host ~]#systemctl enable sssd.service

[root@host ~]#systemctl start sssg.service

[root@host ~]#getent passwd remoteuser15

[root@host ~]#yum install autofs

[root@host ~]#vim /etc/auto.master.d/home9.autofs

/netdir/remoteuser15 /etc/auto.home9

[root@host ~]#vim /etc/auto.home9

remoteuser15 –rw,sync utility.network15.example.com:/netdir/remoteuser15/&

[root@host ~]#systemctl enable autofs

[root@host ~]#systemctl restart autofs

[root@host ~]#su - remoteuser15

# fdisk /dev/sda

p

(check Partition table)

n

(create new partition: press e to create extended partition, press p to create the main partition, and the extended partition is further divided into logical partitions) Enter

+2G

t

l

W

partx -a /dev/sda

partprobe

mkswap /dev/sda8

Copy UUID

swapon -a

vim /etc/fstab

UUID=XXXXX swap swap defaults 0 0

(swapon -s)

*

[root@workstation ~]# ssh shangrila@node1

[shangrila@node1 ~]$ podman login registry.domain15.example.com:5000

Username: admin

Password:

Login Succeeded!

[shangrila@node1 ~]$ podman pull registry.domain15.example.com:5000/rhel8/rsyslog

[shangrila@node1 ~]$ podman run -d --name logserver registry.domain15.example.com:5000/rhel8/rsyslog

021b26669f39cc42b8e94eab886ba8293d6247bf68e4b0d76db2874aef284d6d

[shangrila@node1 ~]$ mkdir -p ~/.config/systemd/user

[shangrila@node1 ~]$ cd ~/.config/systemd/user

*

[shangrila@node1 user]$ podman generate systemd --name logserver --files --new

/home/shangrila/.config/systemd/user/container-logserver.service

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

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

[shangrila@node1 ~]$ podman ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

7d9f7a8a4d63 registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 2 seconds ago logserver

[shangrila@node1 ~]$ sudo reboot

[shangrila@node1 ~]$ cd .config/systemd/user

[shangrila@node1 user]$ systemctl --user status

crontab –e –u natasha

23 14/bin/echo hiya

crontab -l -u natasha // view

systemctlenable crond

systemcdlrestart crond

grep seismic /usr/share/dict/words> /root/lines.txt

1. chmod g+s /data

2. Verify using: ls -ld /data

Permission should be like this: drwxrws--- 2 root sysadmin 4096 Mar 16 18:08 /data

If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory

vi /etc/httpd/conf.d/ssl.conf ServerName www.rhce.com DocumentRoot /var/www/rhce DirectoryIndex index.html index.htm ServerAdmin webmaster@rhce.com SSLEngine on SSLCertificateFile /etc/httpd/conf/ssl.crt/server.crt SSLCertificateKeyFile /etc/httpd/conf/ssl.key/server.key

cd /etc/httpd/conf

3 make testcert

Create the directory and index page on specified path. (Index page can download from ftp://server1.example.com at exam time)

service httpd start|restart

chkconfig httpd on

Apache can provide encrypted communications using SSL (Secure Socket Layer). To make use of encrypted communication, a client must request to https protocol, which is uses port 443. For HTTPS protocol required the certificate file and key file.

# which echo

# crontab -e

23 14 * * * /bin/echo hello

# crontab -l (Verify)