Category: Linux Administration

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RHEL5/6 Interview Questions : NFS

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...

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RHEL5/6 Interview Questions : Samba

1.What are the two types of back-end authentication mechanisms discussed in this post? 1a. This post described tdbsm and smbpasswd back-end authentication. 2. When you’re creating a share, there is no option to make it browseable. True or False? 2a. False. The browseable option is available for...

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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 : User Adminsitration

1. What command (and options) can be used to create a user named JSmith with the description “Jr Admin”? 1a. useradd –c “Jr Admin” JSmith 2. What is the format of the /etc/shadow file? 2a. The format of the /etc/shadow file is <username>:<encrypted password>:<last passwd change>:<min>:<max>:<warn>:<inactive>:<expires>:<not used>. 3....

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