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authorDaniel J Walsh <dwalsh@redhat.com>2017-12-20 05:35:51 -0500
committerAtomic Bot <atomic-devel@projectatomic.io>2017-12-20 18:40:38 +0000
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tree6b04ac560f4cc89e62ed77b21dfc27ac18326a47 /docs/podman-run.1.md
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Cleanup Documentation and bash completions
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #159 Approved by: TomSweeneyRedHat
Diffstat (limited to 'docs/podman-run.1.md')
-rw-r--r--docs/podman-run.1.md30
1 files changed, 16 insertions, 14 deletions
diff --git a/docs/podman-run.1.md b/docs/podman-run.1.md
index 19e73aea2..0431478e4 100644
--- a/docs/podman-run.1.md
+++ b/docs/podman-run.1.md
@@ -1,11 +1,13 @@
% podman(1) podman-run - Run a command in a container
% Dan Walsh
-podman-run - Run a command in a new container
-# SYNOPSIS
+## NAME
+podman run - Run a command in a new container
+
+## SYNOPSIS
**podman run** [*options* [...]] IMAGE [COMMAND] [ARG...]
-# DESCRIPTION
+## DESCRIPTION
Run a process in a new container. **podman run** starts a process with its own
file system, its own networking, and its own isolated process tree. The IMAGE
@@ -19,7 +21,7 @@ If the IMAGE is not already loaded then **podman run** will pull the IMAGE, and
all image dependencies, from the repository in the same way running **podman
pull** IMAGE, before it starts the container from that image.
-# OPTIONS
+## OPTIONS
**--add-host**=[]
Add a custom host-to-IP mapping (host:ip)
@@ -598,9 +600,9 @@ the exit codes follow the `chroot` standard, see below:
$ podman run busybox /bin/sh -c 'exit 3'
# 3
-# EXAMPLES
+## EXAMPLES
-## Running container in read-only mode
+### Running container in read-only mode
During container image development, containers often need to write to the image
content. Installing packages into /usr, for example. In production,
@@ -613,7 +615,7 @@ tmpfs directories on /run and /tmp.
# podman run --read-only --tmpfs /run --tmpfs /tmp -i -t fedora /bin/bash
-## Exposing log messages from the container to the host's log
+### Exposing log messages from the container to the host's log
If you want messages that are logged in your container to show up in the host's
syslog/journal then you should bind mount the /dev/log directory as follows.
@@ -632,7 +634,7 @@ Then exit and check the journal.
This should list the message sent to logger.
-## Attaching to one or more from STDIN, STDOUT, STDERR
+### Attaching to one or more from STDIN, STDOUT, STDERR
If you do not specify -a then podman will attach everything (stdin,stdout,stderr)
. You can specify to which of the three standard streams (stdin, stdout, stderr)
@@ -705,7 +707,7 @@ Create a 3rd container using the new --ipc=container:CONTAINERID option, now it
0x0000162e 0 root 666 27 1
```
-## Mapping Ports for External Usage
+### Mapping Ports for External Usage
The exposed port of an application can be mapped to a host port using the **-p**
flag. For example, an httpd port 80 can be mapped to the host port 8080 using the
@@ -713,7 +715,7 @@ following:
# podman run -p 8080:80 -d -i -t fedora/httpd
-## Mounting External Volumes
+### Mounting External Volumes
To mount a host directory as a container volume, specify the absolute path to
the directory and the absolute path for the container directory separated by a
@@ -737,7 +739,7 @@ to the host directory:
Now, writing to the /data1 volume in the container will be allowed and the
changes will also be reflected on the host in /var/db.
-## Using alternative security labeling
+### Using alternative security labeling
You can override the default labeling scheme for each container by specifying
the `--security-opt` flag. For example, you can specify the MCS/MLS level, a
@@ -766,7 +768,7 @@ Note:
You would have to write policy defining a `svirt_apache_t` type.
-## Setting device weight
+### Setting device weight
If you want to set `/dev/sda` device weight to `200`, you can specify the device
weight by `--blkio-weight-device` flag. Use the following command:
@@ -777,7 +779,7 @@ weight by `--blkio-weight-device` flag. Use the following command:
$ podman run -d busybox top
```
-## Setting Namespaced Kernel Parameters (Sysctls)
+### Setting Namespaced Kernel Parameters (Sysctls)
The `--sysctl` sets namespaced kernel parameters (sysctls) in the
container. For example, to turn on IP forwarding in the containers
@@ -794,7 +796,7 @@ evolves we expect to see more sysctls become namespaced.
See the definition of the `--sysctl` option above for the current list of
supported sysctls.
-# HISTORY
+## HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>