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Accepted
Boris Hamanov
Asked: 2021-12-02 23:35:50 +0800 CST

systemctl 无法访问服务文件，权限被拒绝

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在 Fedora 35 上，我创建了自己的服务来安排备份。我在 /usr/local/bin/ 中有脚本，在 /lib/systemd/system/ 中有服务文件和计时器

ls -an /usr/local/bin/ 打印

-rwxr--r--. 1 0 0 3360 Dec 1 18:31 backup.sh

ls -an /lib/systemd/system/schedule-backup_root*

-rw-r--r--. 1 0 0 230 Dec  1 18:14 /lib/systemd/system/schedule-backup_root.service
-rw-r--r--. 1 0 0 388 Dec  1 16:49 /lib/systemd/system/schedule-backup_root.timer

但是当我启动服务 systemctl start schedule-backup_root.service

Dec 01 18:36:13 fallen-robot systemd[1]: Started Nightly snapshot backup job for ROOT volume.
Dec 01 18:36:13 fallen-robot systemd[75159]: schedule-backup_root.service: Failed to locate executable /usr/local/bin/backup.sh: Permission denied
Dec 01 18:36:13 fallen-robot systemd[75159]: schedule-backup_root.service: Failed at step EXEC spawning /usr/local/bin/backup.sh: Permission denied
Dec 01 18:36:13 fallen-robot systemd[1]: schedule-backup_root.service: Main process exited, code=exited, status=203/EXEC
Dec 01 18:36:13 fallen-robot systemd[1]: schedule-backup_root.service: Failed with result 'exit-code'.

我的服务文件如下所示：

[Unit]
Description=Nightly snapshot backup job for ROOT volume

[Service]
Type=simple
ExecStart=/usr/local/bin/backup.sh -s / -b /run/media/borko/BackupTest/ -t "Fallen Robot ROOT Backup Report"

[Install]
WantedBy=default.target

为什么它无法访问该文件？

linux permissions

1 个回答

  1. Best Answer

    禁用 SElinux 或将其设置为 permissive。

    setenforce 0

    这将暂时禁用它。禁用后再次测试，看看是否能解决问题。

    • 1

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