Red Hat System Administration I

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Lab: Accessing Linux File Systems

Performance Checklist

In this lab, students will mount a local file system, review it, and work with soft links.

Outcomes

  • Generate a disk usage report.

  • Mount a file system.

  • Create a soft link.

  • Search files in the local file system.

Reset your serverX system.

Run the lab fs setup to set up the server machine for your exercise.

  1. Generate a disk usage report with the du command of the /var/log directory on serverX, and save the result in the /tmp/results.txt file. 

    [root@serverX ~]# du /var/log >/tmp/results.txt

  2. Identify and mount a newly added file system by UUID on the /mnt/myfreespace directory on serverX.

    1. Identify the newly added file system with the blkid command on serverX. 

      [root@serverX ~]# blkid
/dev/vda1: UUID="46f543fd-78c9-4526-a857-244811be2d88" TYPE="xfs" 
/dev/vdb1: UUID="a84f6842-ec1d-4f6d-b767-b9570f9fcdc0" TYPE="xfs"

    2. Create the mount point /mnt/myfreespace on serverX. 

      [root@serverX ~]# mkdir /mnt/myfreespace

    3. Mount the file system by UUID on the /mnt/myfreespace directory of the serverX machine. 

      [root@serverX ~]# mount UUID="a84f6842-ec1d-4f6d-b767-b9570f9fcdc0" /mnt/myfreespace

  3. Create the soft link /root/myfreespace, which points to the /mnt/myfreespace directory on serverX. 

    [root@serverX ~]# ln -s /mnt/myfreespace /root/myfreespace

  4. Find all soft links on serverX that have freespace as part of their names. 

    [root@serverX ~]# find / -type l -name '*freespace*'
/root/myfreespace
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Revision: rh124-7-1b00421