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Scheduling Processes in SUSE Linux Enterprise

In this hands-on lab, we will be looking at scheduling processes to run on a schedule. We will perform some troubleshooting on a user account to ensure the process is working correctly, and then we will create a task as the `root` user to ensure our time is synced correctly on our server.

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Path Info

Level

Beginner

Duration

30m

Last updated

Aug 29, 2025

Challenge

Verify the `testuser` Can Create Scheduled Tasks
1. Access the testuser's account:
```
su - testuser 
```
  The password is Password!
2. Create a file named test.sh that echoes the string "this is a test" into an examplefile:
```
vim test.sh

++contents
#! /bin/bash
echo 'this is a test' >> /home/testuser/examplefile
```
  Save and exit the file with Escape and then Shift+ZZ.
3. Make the file executable:
```
chmod +x test.sh
```
4. Open testuser's crontab and add a task:
```
crontab -e
```
5. Add this line:
```
* * * * * /home/testuser/test.sh
```
  Save and exit with Escape and then Shift+ZZ.
6. Tail the file examplefile and ensure a line is appended every minute:
```
tail -F examplefile
```
7. Hit Ctrl+C to quit.
8. Remove the task from the crontab:
```
crontab -e
```
9. On the line with the task, press d twice.
10. Save and exit with Escape and then Shift+ZZ.
Challenge

Create a Task as `root` that Syncs the System Clock to the Hardware Clock
1. Open the root crontab:
```
sudo -i crontab -e
```
2. Add the task to run the backup at 3 AM:
```
SHELL=/bin/bash
PATH=/sbin
00 03 * * * /usr/local/bin/customback /opt/programdata
```
  Save and exit with Escape+X.
3. Verify the task exists in the root crontab:
```
sudo -i crontab -l
```

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Scheduling Processes in SUSE Linux Enterprise

Path Info

Table of Contents

Verify the `testuser` Can Create Scheduled Tasks

Create a Task as `root` that Syncs the System Clock to the Hardware Clock

What's a lab?

Provided environment for hands-on practice

Guided walkthrough

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