Free up ram Centos / Redhat - Giải phóng RAM Centos

Way 1 :
Go to downmoreram.com and download anymore as you want 😀

Way 2 :

Writing to this will cause the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free.

To free pagecache:

echo 1 > /proc/sys/vm/drop_caches

1	echo 1 > /proc/sys/vm/drop_caches

To free dentries and inodes:

echo 2 > /proc/sys/vm/drop_caches

1	echo 2 > /proc/sys/vm/drop_caches

To free pagecache, dentries and inodes:

echo 3 > /proc/sys/vm/drop_caches

1	echo 3 > /proc/sys/vm/drop_caches

As this is a non-destructive operation and dirty objects are not freeable, you should run sync first.

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Free up ram Centos / Redhat – Giải phóng RAM Centos