A startup script is a file that performs tasks during the startup process of a virtual machine (VM) instance. … For Linux startup scripts, you can use bash or non-bash file. To use a non-bash file, designate the interpreter by adding a #! to the top of the file.
What is Startup script?
A startup script is a file that contains commands that run when a virtual machine (VM) instance boots. Compute Engine provides support for running startup scripts on Linux VMs and Windows VMs. The following table contains links to documentation that describes how to use startup scripts.
Where is the startup script in Linux?
A typical Linux system can be configured to boot into one of 5 different runlevels. During the boot process the init process looks in the /etc/inittab file to find the default runlevel. Having identified the runlevel it proceeds to execute the appropriate startup scripts located in the /etc/rc. d sub-directory.
How do I run a Linux startup script?
Basic rundown:
- Create a file for your startup script and write your script in the file: $ sudo nano /etc/init.d/superscript.
- Save and exit: Ctrl + X , Y , Enter.
- Make the script executable: $ sudo chmod 755 /etc/init.d/superscript.
- Register script to be run at startup: $ sudo update-rc.d superscript defaults.
How do I run a script at startup?
On Windows, the simplest way of running a program at startup is to place an executable file in the Startup folder. All the programs that are in this folder will be executed automatically when the computer opens. You can open this folder more easily by pressing WINDOWS KEY + R and then copying this text shell:startup .
Where we can find the startup scripts?
In the console tree, click Scripts (Startup/Shutdown). The path is Computer ConfigurationWindows SettingsScripts (Startup/Shutdown).
How do I create a GPO startup script?
To assign computer startup scripts
Right-click the Group Policy Object you want to edit, and then click Edit. In the console tree, click Scripts (Startup/Shutdown). The path is Computer ConfigurationPoliciesWindows SettingsScripts (Startup/Shutdown). In the results pane, double-click Startup.
How do I check if Boot is enabled?
Check if the service starts on boot
To check if a service starts on boot, run the systemctl status command on your service and check for the “Loaded” line. $ systemctl status httpd httpd. service – The Apache HTTP Server Loaded: loaded (/usr/lib/systemd/system/httpd. service; enabled) …
How do I find my startup programs on Linux?
Go to the menu and look for startup applications as shown below.
- Once you click on it, it will show you all the startup applications on your system:
- Remove startup applications in Ubuntu. …
- All you need to do is to add sleep XX; before the command. …
- Save it and close it.
How do I check if a service is running in Linux?
Check running services on Linux
- Check the service status. A service can have any of the following statuses: …
- Start the service. If a service isn’t running, you can use the service command to start it. …
- Use netstat to find port conflicts. …
- Check xinetd status. …
- Check logs. …
- Next steps.
How do I run a shell script as a service?
2 Answers
- Place it in /etc/systemd/system folder with say a name of myfirst.service.
- Make sure that your script executable with: chmod u+x /path/to/spark/sbin/start-all.sh.
- Start it: sudo systemctl start myfirst.
- Enable it to run at boot: sudo systemctl enable myfirst.
- Stop it: sudo systemctl stop myfirst.
What is RC local in Linux?
The script /etc/rc. local is for use by the system administrator. It is traditionally executed after all the normal system services are started, at the end of the process of switching to a multiuser run level. You might use it to start a custom service, for example, a server that’s installed in /usr/local.