How do I run a script in CentOS 7?

How do I run a script in CentOS 7?

Steps to write and execute a script

1. Open the terminal. Go to the directory where you want to create your script.
2. Create a file with . sh extension.
3. Write the script in the file using an editor.
4. Make the script executable with command chmod +x .
5. Run the script using ./.

How do I run a script in CentOS 8?

Now let’s explain the steps:

1. Step 1: Launch Terminal. Firstly, you will need to launch the Terminal in your CentOS system.
2. Step 2: Create the Shell Script. First, move to the directory where you need to create your script.
3. Step 3: Enter commands in your script.
4. Step 4: Set Execute Permissions.
5. Step 5: Run the Shell Script.

How to start custom script in CentOS / RHEL 7?

1. Reload the systemd process to consider newly created sample.service OR every time when sample.service gets modified. 2. Enable this service to start after reboot automatically. 3. Start the service. 4. Reboot the host to verify whether the scripts are starting as expected during system boot.

Where to find setup.service file in CentOS?

I created a file by the name setup.service in /etc/systemd/system/ directory. After= : If the script needs any other system facilities (networking, etc), modify the [Unit] section to include appropriate After=, Wants=, or Requires= directives.

How to add a custom script to the systemd?

1. Write And Debug The Custom Script Typically a systemd script is written as a shell script. Begin by writing your custom script using the normal conventions. We will call our script my-custom-script.sh and is straightforward: #!/bin/sh echo “I am a custom script” > /var/tmp/script.out echo “The script was run at : `date`” >> > /var/tmp/script.out

How to create custom script to run at system boot?

1. Let us first create a sample custom script to be run at system boot automatically. 2. Check and verify the file permission. 3. Add execute permission (if it’s not already set). Create a new service unit file at /etc/systemd/system/sample.service with below content. The name of the service unit is user defined and can be any name of your choice.