What is Change management? The purpose of the Change Management process is to ensure that: Standardised methods and procedures are used for efficient and prompt handling of all changes All changes to service assets and configuration items are recorded in the Configuration Management System...
Interview Resourses / Linux Administration
by Ramdev · Published December 29, 2015 · Last modified August 5, 2016
1. There are four types of DNS servers. Name them. 1a. The four types of DNS servers are master, slave, caching-only, and forwarding. 2. What is the difference between an A record and a PTR record? 2a. An A record translates translated hostnames to IP addresses,...
Interview Resourses / Linux Administration
by Ramdev · Published December 29, 2015 · Last modified July 30, 2016
1. What is the name of the package used to install an FTP? 1a. The vsftpd package is used to install an FTP server. 2. What command can be used to easily list all the options in the FTP main config file? 2a. The grep –v...
1. Red Hat Enterprise Linux 6 uses the portmap service alongside the NFS service. True or False? 1a. False. The portmap service was replaced by the rpcbind service in Red Hat Enterprise Linux 6. 2. What is the /var/lib/nfs/etab file used for? 2a. The /var/lib/nfs/etab file is...
Interview Resourses / Linux Administration
by Ramdev · Published December 29, 2015 · Last modified August 5, 2016
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...
Interview Resourses / Linux Administration
by Ramdev · Published December 29, 2015 · Last modified August 6, 2016
1. What two commands are used for package management? 1a. The yum and rpm commands are used for package management. 2. What are the three modes in which the rpm command can operate? 2a. The rpm command can operate in install, query, or verify modes. 3....
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...
1. GRUB has three stages. Can you name them? Ans: Stage 1: During this stage, the primary bootloader is read into memory by the BIOS from the MBR. Stage 1.5: During this stage, the bootloader is read into memory by the stage 1 bootloader (only if necessary). Stage...
Interview Resourses / Linux Administration
by Ramdev · Published December 29, 2015 · Last modified August 6, 2016
1. Red Hat Enterprise Linux 5 supports LUKS encryption. True or False? 1A. False. Red Hat Enterprise Linux 6 is the only version that officially supports LUKS encryption. 2. In Red Hat Enterprise Linux 6, SELinux is set to Enforcing by default during the installation. True or...
When you want to troubleshoot the NTP service, there are a few commands that can help you out. First, if you want to update the time manually, you can use the ntpdate command.
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