![]() How can we upgrade nvm itself?īefore the upgrade, we have nvm 0.34.0. We can use nvm to upgrade node.js and npm. If you want to find more nvm commands, run the help command: $ nvm -help $ nvm which 10 /Users/fuje/.nvm/versions/node/v10.16.0/bin/nodeĪ specific node version can be used directly to run an app: $ nvm run 10.15.0 app.jsĪlternatively, the following command runs node app.js with the PATH pointing to node 10.15.0. You need to run "nvm install 10.12" to install it before using it. Nvm which shows the path to the executable to where it was installed. More specifically, providing a partial version can narrow down the available list. Ls-remote lists all available versions, but be prepared for a very long list. We can check the current version with the following command: $ nvm current v15.4.0 nvmrc 15.4.0 $ nvm use Found '/Users/fuje/.nvmrc' with version Now using node v15.4.0 (npm v7.0.15) nvmrc file if no version is supplied on the command line. Afterward, nvm use, nvm install, nvm exec, nvm run, and nvm which will use the version specified in the. nvmrc file can be created for convenience, which takes SemVer format, or node, or default. The default version is the one that carries over to all shells. How can we make a specific node version persistent? If you start a new shell, the newly set node.js version will be lost. Nvm use sets a specific version for the current shell. This can be achieved with the following commands: $ nvm use 10.16.0 $ npm install -g following command will get the latest supported npm version on the current node version: $ nvm install-latest-npm You may wonder how v10.16.0 uses a later version of npm than v13.9.0. The arrow in the above output shows that the current version of node.js is 10.14.0. ![]() If the specific version has already been installed, it will not be reinstalled: $ nvm install 10.14.0 v10.14.0 is already installed. # 100.0% Computing checksum with shasum -a 256 Checksums matched! Now using node v10.14.0 (npm v6.4.1) The semantic version format is defined by SemVer: $ nvm install 10.14.0 Downloading and installing node v10.14.0. We can also specify the exact version to be installed. This can be verified: $ node -v v15.4.0 $ npm -v 7.0.15 The above output states that npm 7.0.15 is used along with node.js 15.4.0. # 100.0% Computing checksum with shasum -a 256 Checksums matched! Now using node v15.4.0 (npm v7.0.15) "$NVM_DIR/bash_completion" # This loads nvm bash_completionĪfter nvm is installed, we can use the following command to install the latest version of node.js: $ nvm install node Downloading and installing node v15.4.0. In the profile file, such as ~/.bash_profile, we see these lines added: export NVM_DIR="/Users/fuje/.nvm" &. The script, install.sh, clones the nvm repository to ~/.nvm, and attempts to add the source lines from the snippet below to the correct profile file ( ~/.bash_profile, ~/.zshrc, ~/.profile, or ~/.bashrc). Nvm can be installed by curl or wget command: $ curl -o- | bash $ wget -qO- | bash nvm works on any POSIX-compliant shell (sh, dash, ksh, zsh, bash), in particular on these platforms: unix, macOS, and windows WSL. ![]() It’s designed to be installed per-user and invoked per-shell.
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