console cmds

I have been playing TDM a few times and i would log in and my kills would be like 9mill xp or something I know its through the console and i have found a few of the commands but i havent been able to figure out how to be the host anyone know a good way? btw in the console cmds there is one for dedication idk how it works though

sv_maxclients 18
party_maxplayers 18
scr_dm_timelimit 100
g_hardcore 0
scr ju***eight 100
g_gametype dm
scr_airdrop_mega_nuke 100
scr_airdrop_emp 100
map_restart

those are some of the major ones

Check this out - BASHandSlash.com - MW2: The host with the most

It explains what you can do to get the upper edge for being a host.

I believed they nerfed the XP thing and locked it down a few weeks ago? This is what i heard/read... Im not sure if its true or not.

well how to open the console so you could modify something when your host