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update uninstall instructions of centos and fix a bad format (#767) 

Signed-off-by: Yanqiang Miao <miao.yanqiang@zte.com.cn>
This commit is contained in:
MiaoYanqiang 2016-12-02 16:46:03 +08:00 committed by John Mulhausen
parent da8604c9ef
commit 43c4656ae6
1 changed files with 6 additions and 3 deletions
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9
engine/installation/linux/centos.md
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@ -181,7 +181,7 @@ To create the `docker` group and add your user:
3. Add your user to `docker` group.
```bash
$ sudo usermod -aG docker your_username`
$ sudo usermod -aG docker your_username
```
4. Log out and log back in.
@ -211,13 +211,15 @@ You can uninstall the Docker software with `yum`.
```bash
$ yum list installed | grep docker
docker-engine.x86_64 1.7.1-0.1.el7@/docker-engine-1.7.1-0.1.el7.x86_64
docker-engine.x86_64 1.12.3-1.el7.centos @dockerrepo
docker-engine-selinux.noarch 1.12.3-1.el7.centos @dockerrepo
```
2. Remove the package.
```bash
$ sudo yum -y remove docker-engine.x86_64
$ sudo yum -y remove docker-engine-selinux.noarch
```
This command does not remove images, containers, volumes, or user-created
@ -229,4 +231,5 @@ You can uninstall the Docker software with `yum`.
$ rm -rf /var/lib/docker
```
4. Locate and delete any user-created configuration files.
4. Locate and delete any user-created configuration files.