RedHat Related Exams
RH202 Exam
Create the group named sysadmin.
Answer and Explanation:
1.groupadd sysadmin
groupadd command is used to create the group and all group information is stored in /etc/group file.
Install the dialog-*
Answer and Explanation:
Questions asking you to install the dialog package from the server. In your Lab FTP server as well as NFS server are configured. You can install either through FTP or NFS.
1.Just Login to server1.example.com through FTP: ftp server1.example.com
2.Enter to pub directory: cd pub
3.Enter to RedHat/RPMS: cd RedHat/RPMS
4.Download the Package: mget dialog-*
5.Logout from the FTP server: bye
6.Install the package: rpm -ivh dialog-*
7.Verify the package either installed or not: rpm -q dialog
There are more then 400 Computers in your Office. You are appointed as a System Administrator. But you don’t have Router. So, you are going to use your One Linux Server as a Router. How will you enable IP packets forward?
Answer and Explanation:
1. /proc is the virtual filesystem, we use /proc to modify the kernel parameters at running time.
# echo “1” >/proc/sys/net/ipv4/ip_forward
2. /etc/sysctl.conf when System Reboot on next time, /etc/rc.d/rc.sysinit scripts reads the file /etc/sysctl.conf. To enable the IP forwarding on next reboot also you need to set the parameter.
net.ipv4.ip_forward=1
Here 0 means disable, 1 means enable.