RH124 - ch14s04

A new partition with a file system has been added to the second disk (vdb) on your serverX machine. Mount the newly available partition by UUID at the newly created mount point /mnt/newspace.
1. Use the blkid to discover the UUID of the newly added partition, vdb1, on serverX.
```
[root@serverX ~]# blkid
/dev/vda1: UUID="46f543fd-78c9-4526-a857-244811be2d88" TYPE="xfs" 
/dev/vdb1: UUID="7c5e3fbb-34eb-4431-a4a5-9b887c1b6866" TYPE="xfs"
```
2. Create the mount point /mnt/newspace on serverX.
```
[root@serverX ~]# mkdir /mnt/newspace
```
3. Mount the file system by UUID on the /mnt/newspace directory of the serverX machine.
```
[root@serverX ~]# mount UUID="7c5e3fbb-34eb-4431-a4a5-9b887c1b6866" /mnt/newspace
```
Change to the /mnt/newspace directory and create a new directory, /mnt/newspace/newdir, with an empty file, /mnt/newspace/newdir/newfile, on serverX.
1. Change to the /mnt/newspace directory on serverX.
```
[root@serverX ~]# cd /mnt/newspace
```
2. Create a new directory, /mnt/newspace/newdir, on serverX.
```
[root@serverX newspace]# mkdir newdir
```
3. Create a new empty file, /mnt/newspace/newdir/newfile, on serverX.
```
[root@serverX newspace]# touch newdir/newfile
```
Unmount the file system mounted on the /mnt/newspace directory on serverX.
1. Try to unmount /mnt/newspace while the current directory on the shell is still /mnt/newspace on serverX.
```
[root@serverX newspace]# umount /mnt/newspace
```
2. Change the current directory on the shell to /root.
```
[root@serverX newspace]# cd
[root@serverX ~]# 
```
3. Successfully unmount /mnt/newspace on serverX.
```
[root@serverX ~]# umount /mnt/newspace
```

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Red Hat System Administration I (RH124)

Haley_Ruccio

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The first of two courses covering the core system administration tasks needed to manage Red Hat Enterprise Linux serversRed Hat System Administration I (RH124) is designed for IT professionals without previous Linux system administration experience. The course provides students with Linux administration competence by focusing on core administration tasks. This course also provides a foundation for students who plan to become full-time Linux system administrators by introducing key command-line concepts and enterprise-level tools. This course is the first of a two-course series that takes a computer professional without Linux system administration knowledge to become a fully capable Linux administrator. These concepts are further developed in the follow-on course, Red Hat System Administration II (RH134).This course is based on Red Hat® Enterprise Linux 9.0.Course content summaryIntroduce Linux and the Red Hat Enterprise Linux ecosystem.Run commands and view shell environments.Manage, organize, and secure files.Manage users, groups and user security policies.Control and monitor systemd services.Configure remote access using the web console and SSH.Configure network interfaces and settings.Manage software using DNFAudience for this courseThe primary persona is a technical professional with current or pending responsibilities as a Linux enterprise or cloud system administrator.This course is popular in Red Hat Academy, and is targeted at the student who is planning to become a technical professional using Linux.Prerequisites for this courseBasic technical user skills with computer applications on some operating systems are expected.Take our free assessment to gauge whether this offering is the best fit for your skills.Technology considerationsThere are no special technical requirements for this course.This course is not designed for bring your own device (BYOD).Internet access is not required but is recommended so that students can research and browse Red Hat online resources.

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