EX200 Exam Dumps : Red Hat Certified System Administrator - RHCSA (8.2)

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1. Reboot the server pressing by Ctrl+Alt+Del

2. When the boot-loader menu appears, press the cursor keys to highlight the default boot-loader entry

3. Press e to edit the current entry.

4. Use the cursor keys to navigate to the line that starts with linux.

5. Press End to move the cursor to the end of the line.

6. Append rd.break to the end of the line.

7. Press Ctrl+x to boot using the modified configuration.

8. At the switch_root prompt

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switch_root:/# mount -o remount,rw /sysroot

switch_root:/# chroot /sysroot

sh-4.4# echo kexdrams | passwd --stdin root

Changing password for user root.

passwd: all authentication tokens updated successfully.

sh-4.4# touch /.autorelabel

sh-4.4# exit; exit

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Type exit twice to continue booting your system as usual.

• Verify the File whether Shared or not ? : cat /etc/exports
• Start the nfs service: service nfs start
• Start the portmap service: service portmap start
• Make automatically start the nfs service on next reboot: chkconfig nfs on
• Make automatically start the portmap service on next reboot: chkconfig portmap on
• Verify either sharing or not: showmount -e localhost
• Check that default firewall is running on system?

If running flush the iptables using iptables -F and stop the iptables service.

# cd /root; wget ftp://192.168.0.254/pub/boot.iso

# mkdir -p /media/cdrom

# vim /etc/fstab

/root/boot.iso /media/cdrom iso9660 defaults,loop 0 0

# mount -a

mount [-t vfstype] [-o options] device dir