add zram notes for fedora

infrastructure/graduated/fedora/fedora.md

@@ -8,6 +8,7 @@
     - [Autostarting services with quadlets](#autostarting-services-with-quadlets)
   - [Network](#network)
     - [VLAN Setup with nmcli](#vlan-setup-with-nmcli)
+  - [ZRAM](#zram)
 
 ## Framework 16 Fixes
 
@@ -86,3 +87,19 @@ nmcli conn
 export NMCLI_DEVICE=enp195s0f4u1u3
 nmcli connection add type VLAN con-name $NMCLI_DEVICE.2 dev $NMCLI_DEVICE id 2
 ```
+
+## ZRAM
+
+Increasing zram size
+
+```bash
+# Show existing configuration
+zramctl
+# 
+swapoff /dev/zram0
+# Reset swap
+zramctl -r /dev/zram0
+
+# Set a new size
+zramctl --size 4G /dev/zram0
+```