【已解答】宝塔面板PHP7.4无法安装redis扩展

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面板、插件版本：

redis-74

系统版本：

PHP7.4

问题描述：

PHP7.4无法安装redis扩展

相关截图（日志、错误）：

The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 13:50 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 13:52 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 13:54 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 13:56 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 13:58 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:00 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:02 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:04 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:06 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:08 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:10 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:12 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:14 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:16 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:18 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:20 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:22 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:24 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:26 ago    State  : Sleeping, pid: 14563Another app is currently holding the yum lock; waiting for it to exit...  The other application is: yum    Memory :  25 M RSS (420 MB VSZ)    Started: Tue Feb 17 23:01:13 2026 - 14:28 ago    State  : Sleeping, pid: 14563

yum 锁被占用 的问题 ——PID 为 14563，可以尝试kill掉之后再进行安装