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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...

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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...

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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...

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