{"id":9410,"date":"2022-04-21T07:00:51","date_gmt":"2022-04-21T07:00:51","guid":{"rendered":"https:\/\/cpanelplesk.com\/wp62\/?p=9410"},"modified":"2022-04-21T07:00:51","modified_gmt":"2022-04-21T07:00:51","slug":"how-to-run-scripts-at-startup","status":"publish","type":"post","link":"https:\/\/cpanelplesk.com\/wp62\/how-to-run-scripts-at-startup\/","title":{"rendered":"How to Run Scripts at startup?"},"content":{"rendered":"

Scripts are required to run upon startup on occasion. It is a good option to automate operations like performing updates, installing packages, or even setting default routes. We’ll create a new service and run a custom bash script to set static routes in a VPS. Your script can do anything as long as it’s written in bash and is properly coded. We’ll start by creating a new service. f2h.service will be the name of our service. Your server can have any name you like, but it must finish in. service.<\/span><\/p>\n

Because systemd is used to handle services in most Linux distributions, this is a great and simple approach to set up custom functions. Systemd controls startup functions and performs critical tasks such as raising network interfaces. It comes pre-installed in all major OS variants and requires minimal end-user configuration. We’ll build a new service and write a simple startup script in the next few steps.<\/span><\/p>\n

Creating Service<\/b><\/h3>\n

\/etc\/systemd\/system\/ is where system services are normally found. We’re utilizing an Ubuntu NVMe VPS, although Debian and CentOS are also viable options. Create a new file with the name of your service and the code.<\/span><\/p>\n

\n
nano \/etc\/systemd\/system\/f2h.service\r\n[Unit]<\/span>\r\nAfter=cloud-init.service<\/span>\r\n[Service]<\/span>\r\nExecStart=\/F2H\/routes.sh<\/span>\r\n[Install]<\/span>\r\nWantedBy=default.target<\/span>\r\n<\/pre>\n<\/div>\n
This section specifies when our custom bash script will be executed. So, after Cloud-init, our script is configured to run. If necessary, you can change this to another service, such as networking. service.<\/p>\n
The path to our bash script is called service.<\/span><\/p>\n
Install = The service’s installation target. However, this should not be edited.<\/span><\/p>\n
Now chmod the file 664:<\/span><\/p>\n
\n
chmod 664 \/etc\/systemd\/system\/f2h.service<\/pre>\n<\/div>\n
Creating Bash Script<\/strong><\/h3>\n
So, this is the file in which our script will be stored. Our script will be located at \/F2H\/routes.sh, as specified in the service file above.<\/span><\/p>\n
\n
nano \/F2H\/routes.sh\r\n#!\/bin\/bash<\/span>\r\nip route add 10.10.10.1 dev eth0<\/span>\r\nip route add default via 10.10.10.1<\/span>\r\n<\/pre>\n<\/div>\n
A static route to our internal gateway is configured by this script. You have complete control over your script.<\/p>\n
Now change the file’s permissions to 744:<\/p>\n
\n
chmod 744 \/F2H\/routes.sh<\/pre>\n<\/div>\n
Reloading Services<\/strong><\/h3>\n
\n
systemctl daemon-reload\u00a0\r\nsystemctl enable f2h.service<\/span><\/pre>\n<\/div>\n
That is all there is to it. We’ve constructed a new service and set it to start with a custom bash script.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
Scripts are required to run upon startup on occasion. It is a good option to automate operations like performing updates, installing packages, or even setting default routes. We’ll create a new service and run a custom bash script to set static routes in a VPS. Your script can do anything as long as it’s written […]<\/p>\n
Continue Reading…<\/a><\/p>\n","protected":false},"author":19,"featured_media":9427,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cpanel"],"yoast_head":"\nHow to Run Scripts at startup? - cPanel Plesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cpanelplesk.com\/wp62\/how-to-run-scripts-at-startup\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"How to Run Scripts at startup? - cPanel Plesk\" \/>\n<meta name=\"twitter:description\" content=\"Scripts are required to run upon startup on occasion. 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