VMware VCLOUD REQUEST MANAGER 1.0.0 Manuel d'utilisateur télécharger pdf (Page 20)

zenwebserver

• reload - Reloads the load balancer configuration. For example, if you make a change to the nginx configu-

ration to listen at a different port, reload it to use the new port without restarting.

• attach - Returns a detached Zope server to the server pool and updates the load balancer.

• detach - Removes a Zope server from the server pool and updates the load balancer. (Zope continues to

run, but does not get traffic from the load balancer.)

• debug - Deploys a Zope server without adding it to the server pool, starting it immediately in the foreground.

This server can only be accessed directly. The server is automatically destroyed upon exiting the process.

• help - Returns command usage information.

1.4.2. Options

Valid options are:

• -v - Prints more information, including the status of each Zope server, the ports at which the processes are

listening, and the servers currently detached from the server pool.

1.4.3. Targets

Several commands accept one or more targets against which the command should be executed. If you do not

specify a target, the command runs the action against all targets.

Valid targets are:

• loadbalancer - Load balancer. Alternatively, you can specify:

ngnix

• servers - All Zope servers.

• servern - Specific Zope server, where n is the server number. Alternatively, you can specify just a server

number or numbers. For example, both of the following commands stop Zope servers 2 and 3:

zenwebserver stop server2 server3

zenwebserver stop 2 3

1.4.4. Command Use and Examples

Status

zenwebserver status [-v]

Start, Stop, and Restart

zenwebserver {stop|start|restart} [-v] [Targets]

Manage the Number of Zope Servers

zenwebserver deploy {n|-n|+n}

Examples:

• zenwebserver deploy 5 # Ensures that exactly 5 Zope servers are running.

• zenwebserver deploy +1 # Deploys one additional Zope server, regardless of the current number.

• zenwebserver deploy -3 # Destroys up to 3 Zope servers (as long as the minimum of 1 is maintained).

Manage the Server Pool

zenwebserver {attach|detach} Targets

Detaching a target is useful when you want to isolate a Zope server and access it via its direct port to ensure

that your requests are the only ones being handled by that server.

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VMware VCLOUD REQUEST MANAGER 1.0.0 Manuel d'utilisateur Page 20