How to clear cache?

I have FreePBX 14.0.1rc1.8.
I want to clear cache, but I don’t know how to do it.
Can you help me?

Which cache are you trying to clear. There are a ton of them and every one of them has a different procedure.

Be specific, use examples.

I want to clear this cache.

You’ll have to reboot. That’s Linux’s cache.

I am wondering if it’s a must, or linux system will optimize it automatically?

1 Like

sync && echo 3 > /proc/sys/vm/drop_caches

If you use sudo:

su -c “sync && echo 3 > /proc/sys/vm/drop_caches”

This one-liner also shows before and after stats:

echo Before: && free -m && echo After: && sync && echo 3 > /proc/sys/vm/drop_caches && free -m

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