Question
How does Linux Shared Hosting NG work?
Answer
This article provides information about Linux Shared Hosting NG in Operations Automation (OA):
- General information about NG Hosting
- Best practices
- Known issues
- Troubleshooting techniques
NG Cluster Architecture
The following picture illustrates the general NG Cluster architecture: servers, their roles, the links between them, and data flow.
The simplified scheme of request processing in NG hosting is illustrated below:
NG Cluster servers and services
#133988 WebHosting Linux NG webspace structure
#114327 NG Load Balancer
#114328 NG Caching Server
#114331 Apache NG module
#114332 Director
#114333 Configuration Database (CDB) server
#114334 NSS Plug-ins
#114335 Web servers
#114336 NFS Shared Storage
#114337 CloudLinux LVE features
Limitations
#114349 Linux Shared Hosting NG Limitations
Customization
#114350 Custom quota management scripts
#114351 Custom Load Balancer scripts
#114353 Custom Web Server scripts
#114354 Custom php.ini
Resource Configuration
#114397 Resource Configuration
Migration from Standard Linux Shared Hosting
#114400 Migration
Known issues
#114407 Known Issues
Troubleshooting
#114384 General Troubleshooting Guidelines
#114406 PHP Issues
#121938 Service 'nscd' start causes inaccessibility of NG web-sites
#131383 WebHostin Linux in CCPv2