view current memory
virsh dominfo <vm-name>Memory is specified in KiB
16 GB = 16 × 1024 × 1024 = 16777216 KiBShutdown VM
virsh shutdown NAMEOFSERVERSet Maximum Memory
virsh setmaxmem server2025 16777216 --configSet Current Memory
virsh setmem server2025 16777216 --configStart the VM
virsh start NAMEOFVMVerify Memory
virsh dominfo server2025