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Merge branch 'pierwill-qrexec-client-edit'

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Andrew David Wong 2019-12-06 08:31:52 -06:00
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developer/services/qrexec.md
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@ -42,14 +42,12 @@ Once this channel is established, stdin/stdout/stderr from the VMprocess is pass
![qrexec basics diagram](/attachment/wiki/qrexec3/qrexec3-basics.png) ![qrexec basics diagram](/attachment/wiki/qrexec3/qrexec3-basics.png)
The `qrexec-client` command is used to make connections to VMs from dom0. The `qrexec-client` command is used to make connections to VMs from dom0.
For example, the following command For example, the following command creates an empty file called `hello-world.txt` in the home folder of `someVM`:
``` ```
$ qrexec-client -e -d someVM user:'touch hello-world.txt' $ qrexec-client -e -d someVM user:'touch hello-world.txt'
``` ```
creates an empty file called `hello-world.txt` in the home folder of `someVM`.
The string before the colon specifies what user to run the command as. The string before the colon specifies what user to run the command as.
The `-e` flag tells `qrexec-client` to exit immediately after sending the execution request and receiving a status code from `qrexec-agent` (whether the process creation succeeded). The `-e` flag tells `qrexec-client` to exit immediately after sending the execution request and receiving a status code from `qrexec-agent` (whether the process creation succeeded).
With this option, no further data is passed between the domains. With this option, no further data is passed between the domains.