Add ramdisk/README.md

ramdisk/README.md

@@ -0,0 +1,13 @@
+```sh
+if [ ! -f /etc/fstab.old ]; then
+    sudo cp /etc/fstab /etc/fstab.old
+fi
+sudo cp /etc/fstab.old /etc/fstab
+sudo tee -a /etc/fstab <<'EOF'
+tmpfs   /mnt/ramdisk   tmpfs   rw,size=32G,uid=1000,gid=1000   0 0
+EOF
+sudo mkdir -p /mnt/ramdisk
+sudo systemctl daemon-reload
+sudo mount -a
+ls -l /mnt/ramdisk
+```