Remove a useless '\' and enhance a script in an example in the section 'Add entries ... (--add-host)'

Signed-off-by: Abreto FU <public@abreto.email>
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Abreto FU 2020-02-06 20:45:58 +00:00
parent 5d0cf88394
commit 07436dfe78
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1 changed files with 1 additions and 1 deletions

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@ -690,7 +690,7 @@ using IPv4 or IPv6 networking in your containers. Use the following
flags for IPv4 address retrieval for a network device named `eth0`: flags for IPv4 address retrieval for a network device named `eth0`:
```bash ```bash
$ HOSTIP=`ip -4 addr show scope global dev eth0 | grep inet | awk '{print \$2}' | cut -d / -f 1` $ HOSTIP=`ip -4 addr show scope global dev eth0 | grep inet | awk '{print $2}' | cut -d / -f 1 | sed -n 1p`
$ docker run --add-host=docker:${HOSTIP} --rm -it debian $ docker run --add-host=docker:${HOSTIP} --rm -it debian
``` ```