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Accepted
Janith
Asked: 2018-12-14 20:28:28 +0800 CST

有没有办法在 systemd 单元中使用通配符、重定向或其他 shell 语法？

  • 772

我有一个 systemd 文件来启动一个 jar 文件。但我想将 jar 文件执行为*.jar. 有没有办法做到这一点？

[Unit]
Description=Test Background

[Service]
ExecStart=/usr/bin/java -jar /var/www/test.com/*.jar
Type=simple
WorkingDirectory=/var/www/test.com

[Install]
WantedBy=multi-user.target

我试过这个但没有工作。

services systemd wildcards

1 个回答

  1. Best Answer

    从man 5 systemd.service（“命令行”部分）：

    This syntax is inspired by shell syntax, but only the meta-characters and expansions
described in the following paragraphs are understood, and the expansion of variables is
different. Specifically, redirection using "<", "<<", ">", and ">>", pipes using "|",
running programs in the background using "&", and other elements of shell syntax are not
supported.

    和：

    Note that shell command lines are not directly supported. If shell command lines are to be
used, they need to be passed explicitly to a shell implementation of some kind. Example:

   ExecStart=/bin/sh -c 'dmesg | tac'

    通配符未被提及为受支持，因此您必须将该命令包装在上面的示例中/bin/sh -c或/bin/bash -c类似的示例中。

    • 5

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