When calling functions such as system and exec, either no response or an error occurs:
There are many reasons for this:
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Error
The Docker EXEC command is capable of executing commands in a running container. Use format for Docker EXEC commands: Docker exec [OPTIONS] container_name command [ARG ...]
Options Description:
-D, execute the command in the background;
-E,
In the Raspberry Pi using PHP to execute the already written C program to obtain some hardware information, because to operate GPIO, so you must use sudo to execute the program.But it's no problem to execute it directly inside bash, and there's no
Ubuntu 12.04 configuration record 1. Network Connection during installation, but do not select "Download Update". Select Chinese as the language and Shanghai as the region. 2. Click the gear icon in the upper right corner of the page to update the
Shell
I first made the following configuration in/etc/sudoers
And then restarted the next Apache server.
Within the TP frame, write to
EXEC ('/usr/bin/unoconv--server localhost--port 8100-o/usr/local/webserver/www/server/exam/public/uploads/
The last section mentions that when the container is running, the data generated will not be in the write image, and re-starting the new container with this image will initialize the image and add a new read-write layer to hold the data. If you want
use these commands to do almost anything you want to do.
Command
Describe
Alias
Define an alias for the specified command
Bg
Run of later mode recovery jobs
Bind
Bind a
Several basic methods of Docker container interconnection(1) Container Mount host directory:-v–volumns-from(2) Interconnect between containers: –link(3) External access container:-P(4) Direct use of the host network docker run --rm=true-e
Objective
Get a new installed Linux server, how to configure a Web server that can parse Dynamic Web script? I believe this is a problem that many people will have. This article takes you step-by-step to build a Web server that gives the Lemp
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