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op-guide: use tidb user with sudo privilege to run deploy_ntp.yml #814

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Jul 18, 2018
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op-guide: use tidb user with sudo privilege to run deploy_ntp.yml #814

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op-guide: use tidb user with sudo privilege to run deploy_ntp.yml
LinuxGit Jul 18, 2018
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op-guide: remove root remote user limit
LinuxGit Jul 18, 2018
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10 changes: 6 additions & 4 deletions op-guide/ansible-deployment.md
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Expand Up @@ -163,21 +163,23 @@ ntp_server = pool.ntp.org
执行以下命令，按提示输入部署目标机器 `root` 用户密码。该步骤将在部署目标机器上创建 `tidb` 用户，并配置 sudo 规则，配置中控机与部署目标机器之间的 ssh 互信。

```
$ ansible-playbook -i hosts.ini create_users.yml -k
$ ansible-playbook -i hosts.ini create_users.yml -u root -k
```

> 手工配置 ssh 互信及 sudo 免密码可参考[如何手工配置 ssh 互信及 sudo 免密码](#如何手工配置-ssh-互信及-sudo-免密码)。

## 在部署目标机器上安装 NTP 服务

> 如果你的部署目标机器时间、时区设置一致，已开启 NTP 服务且在正常同步时间，此步骤可忽略。可参考[如何检测 NTP 服务是否正常](#如何检测-ntp-服务是否正常)。

> 该步骤将在部署目标机器上使用系统自带软件源联网安装并启动 NTP 服务，服务使用安装包默认的 NTP server 列表，见配置文件 `/etc/ntp.conf` 中 server 参数，如果使用默认的 NTP server，你的机器需要连接外网。
> 为了让 NTP 尽快开始同步，启动 NTP 服务前，系统会 ntpdate `hosts.ini` 文件中的 `ntp_server` 一次，默认为 `pool.ntp.org`，也可替换为你的 NTP server。

以 `tidb` 用户登录中控机，执行以下命令，按提示输入部署目标机器 root 密码。
以 `tidb` 用户登录中控机，执行以下命令：

```
$ cd /home/tidb/tidb-ansible
$ ansible-playbook -i hosts.ini deploy_ntp.yml -k
$ ansible-playbook -i hosts.ini deploy_ntp.yml -u tidb -b
```

## 在部署目标机器上配置 CPUfreq 调节器模式
Expand Down Expand Up @@ -221,7 +223,7 @@ analyzing CPU 0:
你也可以通过以下命令在部署目标机器上批量设置：

```
$ ansible -i hosts.ini all -m shell -a "cpupower frequency-set --governor performance" -b
$ ansible -i hosts.ini all -m shell -a "cpupower frequency-set --governor performance" -u tidb -b
```

## 在部署目标机器上添加数据盘 ext4 文件系统挂载参数
Expand Down