Redhat Certified Technician on Redhat Enterprise v5.0

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Exam contains 172 questions

You are working as an Administrator. There is a common data shared (/data) from
192.168.0.254 to all users in your local LAN. When user's system start, shared data should automatically mount on /common directory.



Answer : To automatically mount at boot time we use the /etc/fstab file. Because /etc/rc.d/rc.sysinit file reads and mount all file system specified in /etc/fstab. To mount Network Sharing Files also use the /etc/fstab but filesystem is nfs. 1. vi /etc/fstab /data /common nfs defaults 0 0 2. reboot the system.

Install the Redhat Linux RHEL 5 through NFS. Where your Server is server1.example.com having IP 172.24.254.254 and shared /var/ftp/pub. The size of the partitions are listed below:
/-> 1048
/home -> 1028
/boot -> 512
/var-> 1028
/usr -> 2048

Swap -> 1.5 of RAM Size -
/storage configure the RAID Level 0 of remaining all free space.
After completing the installation through NFS solve the following questions. There are two networks 172.24.0.0/16 and 172.25.0.0/16. As well as there are two domains example.com on 172.24.0.0/16 network and my133t.org on 172.25.0.0/16 network.
Your system is based on example.com domain. SELinux should be in enforce mode.



Answer : 1. Insert the CD on CD-ROM and start the system. Prompt type linux askmethod 3. It will display the language, keyboard selection. 4. It will ask you for the installation method. 5. Select the NFS Image from the list 6. It will ask the IP Address, Net mask, Gateway and Name Server. Select Use because DHCP Server will be configured in your exam lab. 7. It will ask for the NFS Server Name and Redhat Enterprise Linux Directory. 172.24.254.254 /var/ftp/pub 8. After Connecting to the NFS Server Installation start in GUI. Go up to the partition screen by selecting the different Options. 9. Create the partition According to the Question because Size and what-what partition should you create at installation time is specified in your question 10. Create the two RAID partitions having equal size of remaining all free space. 11. Click on RAID button 12. Type mount point /data 13. Select RAID Level 0 14. Click on ok 15. Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Base Printing Supports When installation will complete, your system will reboot. Jump for another Question.

Create the group named sysusers.



Answer : 1. groupadd sysusers groupadd command is used to create the group and all group information is stored in /etc/group file.

Create the user named jeff, marion, harold



Answer : 1. useradd jeff 2. useradd marion 3. useradd harold useradd command is used to create the user. All user's information stores in /etc/passwd and user;s shadow password stores in /etc/shadow.

Make Secondary belongs the jeff and marion users on sysusers group. But harold user should not belongs to sysusers group.



Answer : 1. usermod -G sysusers jeff 2. usermod -G sysuser marion 3. Verify by reading /etc/group file Using usermod command we can make user belongs to different group. There are two types of group one primary and another is secondary. Primary group can be only one but user can belongs to more than one group as secondary. usermod -g groupname username To change the primary group of the user usermod -G groupname username To make user belongs to secondary group.

Create the directory /storage and group owner should be the sysusers group.



Answer : 1. chgrp sysusers /storage 2. Verify using ls -ld /storage command. You should get like 59 /storage chgrp command is used to change the group ownership of particular files or directory. Another way you can use the chown command. sysusers /storage

Make on /storage directory that only the user owner and group owner member can fully access.



Answer : 1. chmod 770 /storage ls -ld /storage 08 /storage To change the permission on directory we use the chmod command. According to the question that only the owner user (root) and group member (sysusers) can fully access the chmod 770 /archive

Who ever creates the files/directories on /storage group owner should be automatically should be the same group owner of /storage.



Answer : 1. chmod g+s /storage ls -ld /storage 08 /storage If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. chmod g+s directory chmod g-s directory

Install the Cron Schedule for jeff user to display "Hello" on daily 5:30.



Answer : 1. Login as a root user 2. cat >schedule.txt 30 05 * * * /bin/echo "Hello" 3. crontab -u jeff schedule.txt 4. service crond restart The cron system is essentially a smart alarm clock. When the alarm sounds, Linux runs the commands of your choice automatically. You can set the alarm clock to run at all sorts of regular time intervals. Alternatively, the at system allows you to run the command of your choice once, at a specified time in the future. Red Hat configured the cron daemon, crond. By default, it checks a series of directories for jobs to run, every minute of every hour of every day. The crond checks the /var/spool/cron directory for jobs by user. It also checks for scheduled jobs for the computer under /etc/crontab and in the /etc/cron.d directory. #minute, hour, day of month, month, day of week, command * * * * * command Entries in a crontab Command Line Field Value Minute 0-59 Hour Based on a 24-hour clock; for example, 23 = 11 p.m. Day of month 1-31 Month 1-12, or jan, feb, mar, etc. Day of week 0-7; where 0 and 7 are both Sunday; or sun, mon, tue, etc. Command The command you want to run

There is a NFS server 192.168.0.254 and all required packages are dumped in
/var/ftp/pub of that server and the /var/ftp/pub directory is shared. Install the
Redhat Enterprise Linux 5 by creating following partitions:
/ 1000
/boot 200
/home 1000
/var 1000
/usr 4000
swap 2X256 (RAM SIZE)



Answer : Examiner will provide you the Installation startup CD. And here mentioned size may vary see on the exam paper. 1. Insert the CD on CD-ROM and start the system. Prompt type linux askmethod 3. It will display the language, keyboard selection. 4. It will ask you for the installation method. 5. Select the NFS Image from the list 6. It will ask the IP Address, Net mask, Gateway and Name Server. Select Use because DHCP Server will be configured in your exam lab. 7. It will ask for the NFS Server Name and Redhat Enterprise Linux Directory. 192.168.0.254 /var/ftp/pub 8. After Connecting to the NFS Server Installation start in GUI. Go up to the partition screen by selecting the different Options. 9. Create the partition According to the Question because Size and what-what partition should you create at installation time is specified in your question 10. Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another Question.

There is a FTP server 192.168.0.254 and all required packages are dumped in /var/ftp/pub of that server and anonymous login is enabled. Install the Redhat Enterprise Linux 5 as an anonymous by creating following partitions:
/ 1000
/boot 200
/home 1000
/var 1000
/usr 4000
swap 2X256 (RAM SIZE)



Answer : Examiner will provide you the Installation startup CD. And here mentioned size may vary see on the exam paper. 1. Insert the CD on CD-ROM and start the system. Prompt type linux askmethod 3. It will display the Language, keyboard selection. 4. It will ask you for the installation method. 5. Select the FTP from the list 6. It will ask the IP Address, Net mask, Gateway and Name Server. Select Use because DHCP Server will be configured in your exam lab. 7. It will ask for the FTP site name and Redhat Enterprise Linux Directory. 192.168.0.254 pub Because anonymous login on /var/ftp. 8. After Connecting to the FTP Server Installation will start. Go up to the partition screen by selecting the different Options. 9. Create the partition According to the Question because Size and what-what partition should you create at installation time is specified in your question 10. Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should be care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another Question.

There is a HTTP server 192.168.0.254 and all required packages are dumped in
/var/www/html/rhel5 of that server. Install the Redhat Enterprise Linux 5 by creating following partitions:
/ 1000
/boot 200
/home 1000
/var 1000
/usr 4000
swap 2X256 (RAM SIZE)



Answer : Examiner will provide you the Installation startup CD. And here mentioned size may vary see on the exam paper. 1. Insert the CD on CD-ROM and start the system. Prompt type linux askmethod 3. It will display the Language, keyboard selection. 4. It will ask you for the installation method. 5. Select the HTTP from the list 6. It will ask the IP Address, Net mask, Gateway and Name Server. Select Use because DHCP Server will be configured in your exam lab. 7. It will ask for the Web site name and Redhat Enterprise Linux Directory. 192.168.0.254 rhel5 Because-> Default Directory for http is /var/www/html 8. After Connecting to the HTTP Server Installation start. Go upto the partition screen by selecting the different Options. 9. Create the partition According to the Question because Size and what-what partition should you create at installation time is specified in your question 10. Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should be care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another Question.

Create a RAID Device /dev/md0 by creating equal two disks from available free space on your harddisk and mount it on /data.



Answer : Redhat Enterprise Linux 5 Supports the RAID LEVEL 0, RAID LEVEL 1, RAID LEVEL 5 and RAID LEVEL 6 at installation time. You can create it at installation time later no need to type lots of commands for RAID. 1. Create the partitions using diskdruid. 2. Create the Partitions having File system Type Software RAID. 3. Click on RAID button 4. Type the Mount Point 5. Select File system type 6. Select RAID Level 7. Select Partitions/disks as a member of RAID. 8. Click on ok We can create the RAID Device after Installation on command-line. 1. Create the Two partitions having equal size. (Specify the Size using Cylinder, find the remaining cylinder and divide by 2). 2. Change the Partition ID to fd (Linux raid Autodetect) by typing t. 3. Type w To write on partitions table. 4. Use partprobe command to synchronic the partition table. mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/hda? /dev/hda? mdadm --detail /dev/md0 7. mkfs -t ext3 /dev/md0 8. mount /dev/md0 /data 9. vi /etc/fstab /dev/md0 /data ext3 defaults 0 0 10. Verify mounting devices using mount command.

Create the user named user1, user2, user3



Answer : 1. useradd user1 2. useradd user2 3. useradd user3 4. passwd user1 5. passwd user2 6. passwd user3 We create the user using useradd command and we change the password of user using passwd -d username.

Create the group named training -



Answer : 1. groupadd training To create a group we use the groupadd command. cat /etc/group whether group added or not?

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Exam contains 172 questions

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