【node】Upgrade Node version tutorial

windows system

• The window system upgrade node can only go to the node official website to download the window installation package to overwrite the previous node.
• Node installation tutorial with download address: https://blog.csdn.net/qq_45677671/article/details/114535955
• Because the n module does not support the window system:

PS C:\Users\liuxing> npm install -g n
npm ERR! code EBADPLATFORM
npm ERR! notsup Unsupported platform for [email protected]: wanted {
    
    "os":"!win32","arch":"any"} (current: {
    
    "os":"win32","arch":"x64"})
npm ERR! notsup Valid OS:    !win32
npm ERR! notsup Valid Arch:  any
npm ERR! notsup Actual OS:   win32
npm ERR! notsup Actual Arch: x64

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\liuxing\AppData\Roaming\npm-cache\_logs\2022-11-03T09_24_21_102Z-debug.log

Mac or Linux system

• Upgrade method: If the following command prompts that you have no permission, please add it in front of the command sudo, such assudo npm install n -g

1. First clear the npm cache:

npm cache clean -f

2. Install the node version management tool n;

npm install n -g

3. View all versions of node

npm view node versions

4. Upgrade node version

# 升级到指定的版本：n 版本号
n 16.0.0

# 升级到最新的稳定版本
n stable

# 升级到最新版本，不推荐
n latest 

4. Use node -v to view the node version. If the version number changes to what you want, the upgrade is successful.

node -v
16.0.0

• If the version number has not changed, you can restart the machine or try the following methods

1. View the location of the node installed by n

which node
/usr/local/n/versions/node/16.0.0

2. enter the location

cd /usr/local/n/versions/node

3. edit/etc/profile

vim /etc/profile

4. Add the node installation path to the end of the file;

export NODE_HOME=/usr/local/n/versions/node/16.0.0
export PATH=$NODE_HOME/bin:$PATH

5. Enter wqand exit to save the file, and then compile /etc/profile;

source /etc/profile

6. Review the version number

node -v
16.0.0