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RedHat RHCE Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Ansible Fundamentals | 20% | - Understand core Ansible components - Implement privilege escalation - Configure ansible.cfg - Manage static and dynamic inventories - Use ad-hoc commands |
| System Administration Automation | 10% | - Manage software packages - Manage storage and volumes - Configure services and firewall |
| Ansible Playbooks | 30% | - Apply conditionals and loops - Write and structure playbooks - Manage handlers and tasks - Use variables, facts, and registers |
| Ansible Roles and Reusability | 15% | - Reuse and import playbooks - Create and manage roles - Organize content with roles |
| Advanced Playbook Features | 25% | - Work with files and directories - Implement error handling - Create and use templates - Use Ansible Vault for secrets |
RedHat Red Hat Certified Engineer - RHCE Sample Questions:
CORRECT TEXT
One Domain RHCE is configured in your lab, your domain server is server1.example.com. nisuser2001, nisuser2002, nisuser2003 user are created on your server 192.168.0.254:/rhome/stationx/nisuser2001. Make sure that when NIS user login in your system automatically mount the home directory. Home directory is separately shared on server /rhome/stationx/ where x is your Station number.
Correct Answer:
usetheauthconfig--nisserver=<NISSERVER>--nisdomain=<NISDOMAIN>--updateExample:authconfig--niserver=192.168.0.254--nisdomain=RHCE--updateorsystem-config-authentication
ClickonEnableNIS
TypetheNISDomain:RHCE
TypeServer192.168.0.254thenclickonnextandok
Youwillgetaokmessage.
CreateaDirectory/rhome/stationxwherexisyourstationnumber.
vi/etc/auto.masterandwriteattheendoffile/rhome/stationx/etc/auto.home--timeout=60
vi/etc/auto.homeandwrite*-rwsoftintr192.168.0.254:/rhome/stationx/&Note:pleasespecifyyourstationnumberintheplaceofx.
Serviceautofsrestart
Loginasthenisuser2001ornisuser2002onanotherterminalwillbeSuccess.AccordingtoquestionRHCEdomainisalreadyconfigured.WehavetomakeaclientofRHCEdomainandautomaticallymountthehomedirectoryonyoursystem.Tomakeamemberofdomainweusetheauthconfigwithoptionorsystem-configauthenticationcommand.Thereaarelotsofauthenticationserveri.eNISLDABSMBetc.NISisaRPCrelatedServicesnoneedtoconfiguretheDNSweshouldspecifytheNISserveraddress.HereAutomountfeatureisavailable.Whenusertriedtologinhomedirectorywillautomaticallymount.Theautomountserviceusedthe/etc/auto.masterfile.On/etc/auto.masterfilewespecifiedthemountpointtheconfigurationfileformountpoint.
CORRECT TEXT
Create a volume group, and set the size is 500M, the size of single PE is 16M. Create logical volume named lv0 in this volume group, set size is 20 PE, make it as ext3 file system, and mounted automatically under data.
Correct Answer:
fdisk/dev/vdapvcreate/dev/vda3vgcreate-s16Mvg0/dev/vda3lvcreate-nlv0-l20vg0mkfs.ext3/dev/mapper/vg0-lv0mkdir/data/etc/fstab:/dev/mapper/vg0-lv0/dataext3defaults00mount-amount|grepdata
CORRECT TEXT
Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.
Correct Answer:
#useradd-u601-s/sbin/nologinuser1
#passwduser1redhat
CORRECT TEXT
Configure a task: plan to run echo "file" command at 14:23 every day.
Correct Answer:
(a)Createdasadministrator
#crontab-unatasha-e2314***/bin/echo"file"(b)Createdasnatasha
#su-natasha$crontab-e2314***/bin/echo"file"
CORRECT TEXT
/data Directory is shared from the server1.example.com server. Mount the shared directory that:
a. when user try to access, automatically should mount
b. when user doesn't use mounted directory should unmount automatically after 50 seconds.
c. shared directory should mount on /mnt/data on your machine.
Correct Answer:
1.vi/etc/auto.master/mnt/etc/auto.misc--timeout=50
vi/etc/auto.misc
data-rwsoftintrserver1.example.com:/data
serviceautofsrestart
chkconfigautofsonWhenyoumounttheotherfilesystemyoushouldunmountthemountedfilesystemAutomountfeatureoflinuxhelpstomountataccesstimeandaftercertainsecondswhenuserunaccessthemounteddirectoryautomaticallyunmountthefilesystem./etc/auto.masteristhemasterconfigurationfileforautofsservice.Whenyoustarttheserviceitreadsthemountpointasdefinedin/etc/auto.master.
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