Pass the RedHat RHCE EX300 Questions and answers with ExamsMirror

rpm -ivh ftp://server1.example.com/pub/zsh-*

Package will install

rpm command is used to install, update and remove the package, -i means install, -v means verbose and -h means display the hash mark.

useradd jeff

useradd marion

useradd harold

Note:

useradd command is used to create the user.

All user's information stores in /etc/passwd and user’s shadow password stores in /etc/shadow.

We can change the permission of file/directory either character symbol method or numeric method.

Permission:

r-Read

w-Write

x-Execute Permission Category u- Owner User

g- Owner Group

o- Others

Operators

+ -> Add the Permissions

- ->Remove the Permissions = ->Assign the Permissions Numeric Method:

4 -> Read

2 -> Write

1 -> Execute

Total: 7, total for owner user, owner group member and for others: 777

1. chmod u+rwx /data

2 .chmod g+rwx /data

3. chmod o-rwx /data

or

chmod 770 /data

4 Verify the /data: ls -ld /data

5. You will get drwxrwx---

Maintenance mode also known as emergency mode. System boots on emergency mode when file system error occurred. It is due to unknown partition, bad filesystem specified in /etc/fstab. To solve follow the steps:

chmod 770 /storage

Verify using : ls -ld /storage

Note:

Preview should be like: drwxrwx--- 2 root sysusers 4096 Mar 16 18:08 /storage

To change the permission on directory we use the chmod command. According to the question that only the owner user (root) and group member (sysusers) can fully access the directory so:

chmod 770 /archive