Geek Academy Course Notes
1. Network settings of VisulBox
Settings => Network => NAT Mode
Add port forwarding, add rules
name: ssh
Protocol: TCP
host port; 22
Subsystem Ports: 22
Confirm = "Log in to the virtual machine to see if the ip starts with 10.
Login in xShell
ssh [email protected] 22
Enter the password, etc.
Second, the use of sublime Text
1. Press and hold ctrl + scroll wheel to zoom in and out of the interface
2. Click on the code map to enter the corresponding section
3. Multi-cursor simultaneous editing: Ctrl+click the line to edit at the same time
4. Change the name of a variable in the entire file: double-click to select = "press alt+F3 to replace the variable in the entire page.
5. Package management tool: control package: press ctrl+tilde, paste the copied code, press Enter, wait for the installation to complete, restart sublime text
Click on preferences to see a new package control
Sublime plugins can be installed via package control
Select install package:
1) Synchronize local files to Linux: sftp click to install
Use: Create a new code directory node_jike locally, and add the code directory to sublime (project->add folder to project)
Create a new file, add a line of code, save it, and name it hellnode.js
Right-click on the node_jike folder-->map to remote
Open the configuration file:
host: change to the ip address of the virtual machine
user:
passoword
Create a directory (xshell) in the virtual machine and enter: mkdir /home/hello
Modify sftp
Change to "/home/hello/"
keep
Go to xshell to see if this file exists
cd /home/hello
ll
Check if it exists
node hello.js executable file
5. Open the file: goto anything or ctrl+P
to search and open files
3. The use of webstrom
create project
Dojo run-> run bin / www
Open a browser: localhost:3000
View execution results
3. npm
1. Install npm using yum on xshell
yum install npm
2. Install cnpm using npm
npm config set strict-ssl false //Cancel Npm strict mode
npm install -g cnpm //install cnpm
cd /home/hello/
cnpm install express
cnpm install -g nodemon
cnpm install -g pm2
3. Use of nodemon
nodemon hello.js
Then execute hello.js
upload when hello.js is changed
nodemon monitors the changes of hello.js and automatically executes the second time after detection.
4. Use of node-inspector
New file http.js
Create the simplest http server
var http=require('http');
http.createSever(function (req,res) {
res.end('Hello');
}).listen(8011);upload file
xshell turns off the firewall
systemctl stop firewalld
nodemon --debug app.js
Then open another interface
start node-inspector
cd /home/hello/
node-inspector
Open the given address in a browser such as
http://127.0.0.1:8080/?port=5858
Change 127.0.0.1 to the domain name: geek