Question: How do I run two scripts at once in Linux?

The semicolon (;) operator allows you to execute multiple commands in succession, regardless of whether each previous command succeeds. For example, open a Terminal window (Ctrl+Alt+T in Ubuntu and Linux Mint). Then, type the following three commands on one line, separated by semicolons, and press Enter.

How do I run two scripts at once?

3 Answers. Another option to running multiple scripts simultaneously is npm-run-all. And start with npm start as usual. You can start multiple application by using “pm2” node_module.

How do I run multiple shell scripts after one?

1 Answer

  1. With ; between the commands, they would run as if you’ve given the commands, one after the other, on the command line. …
  2. With && , you get the same effect, but a script would not run if any previous script exited with a non-zero exit status (indicating a failure).

How do I run multiple scripts in JSON?

How to run multiple NPM scripts in parallel

  1. Step 1: Install the concurrently NPM module. The first step is to install concurrently into your project, and save it as a dev dependency in your package. json file. …
  2. Step 2: Create your package. json dev scripts. …
  3. Step 3: Run your dev package. json script.

How do I run two npm scripts?

&& will run your scripts sequentially while & will run them in parallel. A quick way of doing it is npm run start-watch & npm run wp-server . This will run the first command as a background thread. This works really well when one of the commands is not long running and does not need to be manually exited later.

How do I run two shell scripts in parallel?

GNU parallel is a shell tool for executing jobs in parallel using one or more computers. A job can be a single command or a small script that has to be run for each of the lines in the input. The typical input is a list of files, a list of hosts, a list of users, a list of URLs, or a list of tables.

How do I run multiple parallel scripts in UNIX?

How can I run multiple programs in parallel from a bash script? You have various options to run programs or commands in parallel on a Linux or Unix-like systems: => Use GNU/parallel or xargs command. => Use wait built-in command with &.

How do I run multiple scripts in Nodejs?

npm run lint && npm run build && npm run api && npm run whereverthing :P. Then I found npm-run-all is a node package, it allows us to run all scripts defined in npm in sequential or parallel each one in parallel.

How do I run a script in json?

You can easily run scripts using npm by adding them to the “scripts” field in package. json and run them with npm run <script-name> . Run npm run to see available scripts. Binaries of locally install packages are made available in the PATH , so you can run them by name instead of pointing to node_modules/.

How do I run multiple node servers?

How to Run Multiple Versions of Node. js ?

  1. Install NVM Module: …
  2. Module Installation: To install the latest version of Node, the following command can be used: …
  3. List all Node Version: To list out all the versions installed, the following command can be used:

Where are npm scripts stored?

Scripts are stored in a project’s package. json file, which means they’re shared amongst everyone using the codebase. They help automate repetitive tasks, and mean having to learn fewer tools.

What is npm Run command?

Npm run is a command provided by npm CLI which allows to instantiate a shell and execute the command provided in the package. json file of your project.

What is npm installer?

Description. This command installs a package and any packages that it depends on. If the package has a package-lock, or an npm shrinkwrap file, or a yarn lock file, the installation of dependencies will be driven by that, respecting the following order of precedence: npm-shrinkwrap. json.

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