service (通過運行初始化腳本來啟動或停止服務)

瑞茲發表于 2020-11-24 09:58

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命令行 Unix&Linux命令 service

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在類似Unix的操作系統上，service命令通過運行初始化腳本來啟動或停止服務。

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1 service 運行系統環境

2 service 語法

service 運行系統環境

Linux

service 語法

service SCRIPT COMMAND [OPTIONS]

service --status-all

service --help | -h | --version

service在盡可能可預測的環境中運行初始化腳本或新貴工作，刪除大多數環境變量并將當前工作目錄設置為“ /. ”。

該腳本參數指定初始化腳本，位于/etc/init.d/中SCRIPT，或者暴發戶作業的名稱在/ etc /init.d與/etc/init.d中的腳本同名的upstart作業的存在將導致upstart作業優先于init.d腳本。支持的COMMAND值取決于調用的腳本，服務會將COMMAND和OPTIONS傳遞給未修改的初始化腳本。對于新貴的作業，start，stop和status傳遞給它們的新貴等效項。重新啟動將調用新貴'stop'代表作業，然后緊跟著“start”，并以start命令的返回碼退出。所有腳本至少應支持start和stop命令。作為一種特殊情況，如果COMMAND為--full-restart，則腳本將運行兩次，首先使用stop命令，然后使用start命令。此選項對新貴作業沒有影響。

“ service --status-all ”使用status命令按字母順序運行所有初始化腳本。此選項僅呼叫狀態的sysvinit的工作，新貴作業可以在“以類似的方式進行查詢"initctl list"。

service SCRIPT COMMAND [OPTIONS]

service --status-all

service --help | -h | --version

service runs an init script or upstart job in as predictable an environment as possible, removing most environment variables and with current working directory set to "/.".

The SCRIPT parameter specifies an init script, located in /etc/init.d/SCRIPT, or the name of an upstart job in /etc/init. The existence of an upstart job of the same name as a script in /etc/init.d will cause the upstart job to take precedence over the init.d script. The supported values of COMMAND depend on the invoked script, service passes COMMAND and OPTIONS to the init script unmodified. For upstart jobs, start, stop, and status are passed through to their upstart equivalents. Restart will call the upstart 'stop' for the job, followed immediately by the 'start', and will exit with the return code of the start command. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. This option has no effect on upstart jobs.

"service --status-all" runs all init scripts, in alphabetical order, with the status command. This option only calls status for sysvinit jobs, upstart jobs can be queried in a similar manner with 'initctl list'.

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