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sources/tech/20200506 Three Methods to Check Uptime of MySQL-MariaDB Database Server on Linux.md → translated/tech/20200506 Three Methods to Check Uptime of MySQL-MariaDB Database Server on Linux.md
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@ -7,26 +7,26 @@
[#]: via: (https://www.2daygeek.com/check-mysql-mariadb-database-server-uptime-linux/) [#]: via: (https://www.2daygeek.com/check-mysql-mariadb-database-server-uptime-linux/)
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/) [#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
Three Methods to Check Uptime of MySQL/MariaDB Database Server on Linux 在 Linux 上检查 MySQL/MariaDB 数据库正常运行时间的三种方法
====== ======
We all know the purpose of the uptime command in Linux. 我们都知道在 Linux 中使用 uptime 命令的目的。
This is used to check the **[uptime of the Linux system][1]** and how long the system runs without restarting. 它用于检查 **[Linux 系统的正常运行时间][1]**以及系统未重启运行的时间。
The Linux admin job is to keep the system up and running. Linux 管理员的工作是保持系统正常运行。
If you want to check how long other services like **[Apache][2]**, MySQL, MariaDB, sftp, etc., are running on Linux, how do you do that? 如果要检查 Linux 上的其他服务（例如 **[Apache][2]**、MySQL、MariaDB、sftp 等）运行了多长时间，该怎么做？
Each service has their own command to check the uptime of service. 每个服务都有自己的命令来检查服务的正常运行时间。
But you can also use other commands for this purpose. 但是你也可以为此使用其他命令。
### Method-1: How to Check the Uptime of a MySQL/MariaDB Database Server on Linux Using the ps Command ### 方法 1：如何使用 ps 命令在 Linux 上检查 MySQL/MariaDB 数据库的正常运行时间
The **[ps command][3]** stands for process status. This is one of the most basic commands that shows the system running processes with details. **[ps命令][3]**代表进程状态。这是最基本的命令之一，它显示了系统正在运行的进程的详细信息。
To do so, you first need to find the PID of **[MySQL][4]**/MariaDB using the **[pidof command][5]**. 为此，你首先需要使用 **[pidof 命令][5]查找 **[MySQL][4]**/MariaDB的 PID。
``` ```
# pidof mysqld | cut -d" " -f1 # pidof mysqld | cut -d" " -f1
@ -34,9 +34,9 @@ To do so, you first need to find the PID of **[MySQL][4]**/MariaDB using the **[
2412 2412
``` ```
Once you have the MySQL/[**MariaDB**][6] PID, use the “etime” option with the ps command and get the uptime. 获取 MySQL/[**MariaDB**][6] 的 PID 后，请在 ps 命令中使用 “etime” 选项获得正常运行时间。
* **etime:** elapsed time since the process was started, in the form of [[DD-]hh:]mm:ss. * **etime：**自进程启动以来经过的时间，形式为 [[DD-]hh:]mm:ss。
@ -47,7 +47,7 @@ Once you have the MySQL/[**MariaDB**][6] PID, use the “etime” option with th
2-08:49:30 2-08:49:30
``` ```
Alternatively, use the “lstart” option with the ps command to get the uptime of a given PID. 或者，在 ps 命令中使用 “lstart” 选项来获取指定 PID 的正常运行时间。
``` ```
# ps -p 2412 -o lstart # ps -p 2412 -o lstart
@ -56,17 +56,17 @@ Alternatively, use the “lstart” option with the ps command to get the uptime
Sat May 2 03:02:15 2020 Sat May 2 03:02:15 2020
``` ```
The MySQL/MariaDB process has been running for 2 days, 03 hours, 02 minutes and 15 seconds. MySQL/MariaDB 进程已经运行了 2 天 03 小时 02 分 15 秒。
### Method-2: How to Check the Uptime of a MySQL/MariaDB Database Server on Linux Using the Systemctl Command ### 方法 2：如何使用 Systemctl 命令在 Linux 上检查 MySQL/MariaDB 数据库的正常运行时间
The **[systemctl command][7]** is used to control the systemd system and service manager. **[systemctl 命令][7]** 用于控制 systemd 系统和服务管理器。
systemd is a new init system and system manager, that was adopted by most of Linux distributions now over the traditional SysVinit manager. systemd 是新的 init 系统和系统管理器，现在大多数 Linux 发行版都淘汰了传统的 SysVinit 管理器而采用了systemd。
``` ```
# systemctl status mariadb # systemctl status mariadb
or 或者
# systemctl status mysql # systemctl status mysql
● mariadb.service - MariaDB 10.1.44 database server ● mariadb.service - MariaDB 10.1.44 database server
@ -95,13 +95,13 @@ Warning: Journal has been rotated since unit was started. Log output is incomple
Hint: Some lines were ellipsized, use -l to show in full. Hint: Some lines were ellipsized, use -l to show in full.
``` ```
### Method-3: How to Check the Uptime of a MySQL/MariaDB Database Server on Linux Using the MySQLAdmin Command ### 方法 3：如何使用 MySQLAdmin 命令在 Linux 上检查 MySQL/MariaDB 数据库的正常运行时间
**[MySQLAdmin][8]** is a command-line utility for MySQL Server that is installed when installing the MySQL package. **[MySQLAdmin][8]** 是安装 MySQL 软件包时安装的 MySQL 服务器命令行程序。
The MySQLAdmin client allows you to perform some basic administrative functions on the MySQL server. MySQLAdmin 客户端允许你在 MySQL 服务器上执行一些基本的管理功能。
It is used to create a database, drop a database, set a root password, change the root password, check MySQL status, verify MySQL functionality, monitor mysql processes, and verify the configuration of the server. 它用于创建数据库、删除数据库、设置 root 密码、更改 root 密码、检查 MySQL 状态、验证 MySQL 功能、监视 mysql 进程以及验证服务器的配置。
``` ```
# mysqladmin -u root -pPassword version # mysqladmin -u root -pPassword version
@ -126,7 +126,7 @@ via: https://www.2daygeek.com/check-mysql-mariadb-database-server-uptime-linux/
作者：[Magesh Maruthamuthu][a] 作者：[Magesh Maruthamuthu][a]
选题：[lujun9972][b] 选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID) 译者：[geekpi](https://github.com/geekpi)
校对：[校对者ID](https://github.com/校对者ID) 校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出