Apache 2.4 AH01762 & AH01760: failed to initialize shm (Shared Memory Segment)

2. solution

$ mkdir /run/httpd

3. reason

为了让容器能够访问数据而不需要永久地写入数据，可以使用 tmpfs 挂载，该挂载仅存储在主机的内存中（如果内存不足，则为 swap）。当容器停止时，tmpfs 挂载会被移除。如果提交容器，则不会保存 tmpfs 挂载

4. ref

https://ma.ttias.be/apache-2-4-ah01762-ah01760-failed-to-initialize-shm-shared-memory-segment/

https://bugzilla.redhat.com/show_bug.cgi?id=1215667

# tmpfs

https://www.freedesktop.org/software/systemd/man/tmpfiles.d.html

https://zh.wikipedia.org/zh-tw/Tmpfs

https://adon988.logdown.com/posts/7801999-docker-tmpfs

https://blog.csdn.net/kikajack/article/details/79475168

https://unix.stackexchange.com/questions/13972/what-is-this-new-run-filesystem

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