RedHat Updated RH202 Exam Questions and Answers by greyson

Your System is going use as a router for 172.24.0.0/16 and 172.25.0.0/16. Enable the IP Forwarding.

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net.ipv4.ip_forward=1

/proc is the virtual filesystem, containing the information about the running kernel. To change the parameter of running kernel you should modify on /proc. From Next reboot the system, kernel will take the value from /etc/sysctl.conf.

Make a swap partition having 100MB. Make Automatically Usable at System Boot Time.

Answer and Explanation:

1.Use fdisk /dev/hda  To create new partition.

• Type nFor New partition
• It will ask for Logical or Primary Partitions. Press l for logical.
• It will ask for the Starting Cylinder: Use the Default by pressing Enter Key.
• Type the Size: +100MYou can Specify either Last cylinder of Size here.
• Press P to verify the partitions lists and remember the partitions name. Default System ID is 83 that means Linux Native.
• Type t to change the System ID of partition.
• Type Partition Number
• Type 82 that means Linux Swap.
• Press w to write on partitions table.
• Either Reboot or use partprobe command.
• mkswap /dev/hda?To create Swap File system on partition.
• swapon /dev/hda?To enable the Swap space from partition.
• free –mVerify Either Swap is enabled or not.
• vi /etc/fstab

/dev/hda? swapswapdefaults 0 0

• Reboot the System and verify that swap is automatically enabled or not.

Make Successfully Resolve to server1.example.com where DNS Server is 192.168.0.254.

Answer and Explanation: 1. vi /etc/resolv.conf

Write : nameserver 192.168.0.254

You Completely Install the Redhat Enterprise Linux ES 4 on your System. While start the system, it’s giving error to load X window System. How will you fix that problem and make boot successfully run X Window System.

Answer and Explanation:

Think while Problems occurred on booting System on Runlevel 5 (X Window).

• /tmp is full or not
• Quota is already reached
• Video card or resolution or monitor is misconfigured.
• xfs service is running or not.

Do These:

1.df –h /tmp  /tmp is full remove the unnecessary file

• quota usernameif quota is already reached remove unnecessary file from home directory.
• Boot the System in runlevel 3.you can pass the Kernel Argument from boot loader.
• Use command: system-config-displayIt will display a dialog to configure the monitor, Video card, resolution etc.
• Set the Default Runlevel 5 in /etc/inittab

id:5:initdefault:

6.Reboot the System you will get the GUI login Screen.