操作系统环境。 Linux 操作系统平台 版本 Red Hat Enterprise Linux 7.3 及以上 CentOS 7.3 及以上 Oracle Enterprise Linux 7.3 及以上 Ubuntu LTS 16.04 及以上 注： TiDB 只支持 Red Hat 兼容内核 (RHCK) 的 Oracle Enterprise Linux，不支持 Oracle Enterprise Linux 在中控机上安装系统依赖包 Ansible 部署方案（强烈推荐） - 207 - 本文档使用 书栈(BookStack.CN) 构建 2. # yum -y install python-pip 如果是中控机是 Ubuntu 系统，执行以下命令： 1. # apt-get -y install git curl sshpass python-pip 以 root 用户登录中控机，执行以下命令 创建 tidb 199.214.101) at stratum 2 3. time correct to within 91 ms 4. polling server every 1024 s 注： Ubuntu 系统需安装 ntpstat 软件包。 以下情况表示 NTP 服务未正常同步： 1. $ ntpstat 2. unsynchronised 以下情况表示 NTP 服务未正常运行： 1. $ ntpstat

from the command line. • macOS: brew install maven • Debian-based Linux distributions (such as Ubuntu): apt-get install maven • Red Hat-based Linux distributions (such as Fedora, CentOS): • dnf: supported) | x86_64 ARM 64 | | Oracle Enterprise Linux 7.3 or a later 7.x version | x86_64 | | Ubuntu LTS 18.04 or later | x86_64 | | CentOS 8 Stream | x86_64 ARM 64 | | Debian 9 (Stretch) or later Enterprise Kernel provided by Oracle Enterprise Linux. • Support for Ubuntu 16.04 will be removed in future versions of TiDB. Upgrading to Ubuntu 18.04 or later is strongly recommended. • If you are using the

' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the

' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the

' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the

' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the

later 7.x releases CentOS 7.3 or later 7.x releases Oracle Enterprise Linux 7.3 or later 7.x releases Ubuntu LTS 16.04 or later Note: • For Oracle Enterprise Linux, TiDB supports the Red Hat Compatible Kernel its upstream support ends on December 31, 2021. • Support for Ubuntu 16.04 will be removed in future versions of TiDB. Upgrading to Ubuntu 18.04 or later is strongly recommended. Other Linux OS versions ntpstat command to check whether the NTP service synchronizes with the NTP server. Note: For the Ubuntu system, you need to install the ntpstat package. ntpstat • If it returns synchronised to NTP server

expected output: mysql Ver 8.0.28 for macos12.0 on arm64 (Homebrew) For Linux, the following takes Ubuntu as an example: apt-get install mysql-client Then, verify that the MySQL client is installed successfully: ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the

expected output: mysql Ver 8.0.28 for macos12.0 on arm64 (Homebrew) For Linux, the following takes Ubuntu as an example: apt-get install mysql-client Then, verify that the MySQL client is installed successfully: ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the ' TIDB_DB_NAME='test' CA_PATH='{ssl_ca}' # e.g. /etc/ssl/certs/ca-certificates.crt (Debian / �→ Ubuntu / Arch) Be sure to replace the placeholders {} with the connection parameters obtained from the

件，推荐使用当前最新稳定版本的 Maven。 这里给出命令行安装 Maven 的办法： • macOS 安装： brew install maven • 基于 Debian 的 Linux 发行版上安装（如 Ubuntu 等）： apt-get install maven • 基于 Red Hat 的 Linux 发行版上安装（如 Fedora、CentOS 等）： • dnf 包管理器 dnf install 12 (Monterey) 及以上的版本）| x86_64 ARM 64 | | Oracle Enterprise Linux 7.3 及以上的 7.x 版本 | x86_64 | | Ubuntu LTS 18.04 及以上的版本 | x86_64 | | CentOS 8 Stream | x86_64 ARM 64 | | Debian 9 (Stretch) 及以上的版本 | Enterprise Linux，不支持 Oracle Enterprise Linux 提供的 Unbreakable Enterprise Kernel。 – TiDB 将不再支持 Ubuntu 16.04。强烈建议升级到 Ubuntu 18.04 或更高版本。 • 对于以上两个表格中所列操作系统的 32 位版本，TiDB 在这些 32 位操作系统以及对应的 CPU 架构上不保 障可编译、可构建以及可部署，或