Configure the node. js environment in Centos7

Configure the node. js environment in Centos7

1. software environment:

Centos7, VMware 10.0, NodeJSv0.10.24

2. Installation Process

1. administrator and root permissions are required during installation. You can run the following command.

[Sharing @ localhost ~] $ Su root
After you press enter, the following message is displayed:

Password:
Enter the password you set. It is not displayed on the terminal during the input process, but it has already been entered. The input is as follows:

[Root @ localhost sharing] #

2. First confirm that nodejs compilation and dependency software are available. If not, run the following command to install nodejs.

[Root @ localhost sharing] # yum-y install gcc-c ++ openssl-devel
3. Download and decompress the node. js source code package.

[Root @ localhost sharing] # wgethttp: // nodejs.org/dist/v0.10.24/node-v0.10.24.tar.gz
[Root @ localhost sharing] # tar zxvf node-v0.10.24.tar.gz
[Root @ localhost sharing] # cd node-v0.10.24

4. Configure, compile, and install.

[Root @ localhost node-v0.10.24] #./configure -- prefix =/usr/local/node

[Root @ localhost node-v0.10.24] # make & make install

5. Configure the Node Environment

[Root @ localhost node-v0.10.24] # vim/etc/profile too many

Use vim for the first time... After vim enters the profile, we will see the content in the profile file, press the keyboard I to enter the editing mode, and then write the following content at the end of the text.

Export NODE_HOME =/usr/local/node
Export PATH = $ NODE_HOME/bin: $ PATH
Export NODE_PATH = $ NODE_HOME/lib/node_modules: $ PATH

After the input, Press Esc to exit the editing mode, and then press: wq to exit and save.

Then enter the following command to take effect.

[Root @ localhost node-v0.10.24] # source/etc/profile

6. Test whether it is successful

[Root @ localhost node-v0.10.24] # node-v

V0.10.24
The NodeJS version number indicates that the installation is successful.

7 test example

Enter the following code to create a new text:

Var http = require ('http ');
Http. createServer (function (req, res ){
Res. writeHead (200, {'content-type': 'text/plain '});
Res. end ('Hello Node. js \ n ');
}). Listen (8421, "127.0.0.1 ");
Console. log ('server running athttp: // 127.0.0.1: 8421 /');

Save it as test. js, enter node test. js on the terminal, and open http: // 127.0.0.1: 8421/in the browser.