Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

2

RHEL5/6 Interview Questions : SELinux

1. What is the point of using SELinux? 1a. SELinux provides enhanced granular security for the Linux operating system. 2. What are SELinux Booleans? 2a. SELinux Booleans provide restrictions to different aspects of a service. 3. What command can you use to change the context of...

2

RHEL5/6 Interview Questions : Networking

1. What command displays your current interfaces and IP address? 1a. ifconfig 2. What does ifconfig 172.168.1.100 netmask 255.255.255.0 eth1 do? 2a. This command sets the eth1 interface to have a static IP address of 172.168.1.100 with a netmask of 255.255.255.0. 3. What command can you...

0

Securing DHCP server with Firewall ( RHEL5/6)

Before any of the clients can start obtaining an IP address from the DHCP server, you need to deal with the security requirements for the DHCP server. They include adding a firewall rule with iptables and disabling any SELinux options that prevent the DHCP service from...

0

DHCP Server Configuration in Linux ( RHEL5/6)

One of the basics elements found on all networks is a Dynamic Host Configuration Protocol (DHCP) server, making it an important part of any network. DHCP makes network administration easy because you can make changes to a single point (the DHCP server) on your network and...

0

Forwarding-Only DNS server Configuration in Linux – RHEL6

A forwarding-only server does not actually handle any queries, but instead just forwards them to the correct location. This might be something you see if you work for an ISP that handles thousands of requests at a time. Forwarding-only servers are actually the easiest to set...

Page 54 of 85

[contact-form to='ramkumar.ramadevu@gmail.com' subject='New Learning Request Submitted'][contact-field label='Name' type='name' required='1'/][contact-field label='Email' type='email' required='1'/][contact-field label='Learning Request' type='textarea' required='1'/][contact-field label='Are you Looking for ' type='radio' required='1' options='Paid Training,Free Training'/][/contact-form]

What is your Learning Goal for Next Six Months ? Talk to us