Activate the console on the server machine (~) and type "sv_cheats 1"to enable the following
codes.
Effect                                                                          Code
$16,000                                                                         impulse101
Adjust gravity                                                                  sv_gravity <-999 -
                                                                                999999>
Arctic sniper rifle give                                                        spaceweapon_awp
Auto-aim with sniper rifle                                                      sv_aim
Auto-reload disabled                                                            -reload
Auto-reload enabled                                                             +reload
Change crosshair color                                                          adjust crosshair
Change skins                                                                    skin
Disable the crosshair to enlarge when shooting                                  crosshair <1-5>
Faster backwards motion                                                         cl_backspeed 999
Faster forward motion                                                           cl_forwardspeed 999
Faster side motion                                                              cl_sidespeed 999
Get indicated item                                                              give
Hyper auto-aim disabled                                                         sv_clienttrace 0000
Hyper auto-aim enabled                                                          sv_clienttrace 9999
Level select                                                                    changelevel
Reveal how much time is left on the map                                         timeleft
See and fire through walls and objects, default is 3600                         gl_zmax<0-9999>
See things brightly without flashlight                                          lambert -1.0001
Set freeze period at the start of rounds. Set to 0 to disable, default is 6(For use mp_freezetime
on server machine only)
Set maximum length in minutes a round can last, default is 5(For use on         mp_roundtime <3-15>
server machine only)
Set minutes between map rotations, default is 0(For use on server machine       mp_timelimit
only)
SetC4 timer                                                                     mp_c4timer <1-100>
Toggle auto-help hint messages, default is 1                                    ah <0 or 1>
Toggle crosshairs in observer mode, default is 1                                cl_observercrosshair <0
                                                                                or 1>
Toggle flashlight use, default is 1(For use on server machine only)             mp_flashlight <0 or 1>
Toggle footsteps, default is 1(For use on server machine only)                  mp_footsteps <0 or 1>
Toggle friendly fire(For use on server machine only)                            mp_friendlyfire <0 or 1>
Toggle graph                                                                    net_graph <0 or 1>
Toggle map briefings after new levels load, default is 1                        dm <0 or 1>
Toggle to see ghosts in observer mode, default is 0                             ghosts <0 or 1>
Unbind key command                                                   unbind
View other players' frags                                            cl_hidefrags 0
Whiten all surroundings at 800x600 resolution                        r_lightmap 1
You can use the "give" code to spawn weapons -> give [Weapon Name]
Weapon Name                 Code
AK-47                       weapon_ak47
Artic                       weapon_awp
Benneli xm1014              weapon_xm1014
Bomb defuser                weapon_defuser
C4                          weapon_c4
Colt M4a1 carbine           weapon_m4a1
Commando                    weapon_sg552
Desert eagle                weapon_deagle
Dual Berettas               weapon_elite
Flashbang                   weapon_flashbang
Fn P90                      weapon_p90
Glock 18 pistol             weapon_glock18
H&K Sniper Rifle            weapon_g3sg1
HE grenade                  weapon_hegrenade
Kevlar Vest                 weapon_kevlar
M3 super shotgun            weapon_m3
MAC-10                      weapon_mac 10
MP5                         weapon_mp5navy
Nightvision goggles         weapon_nightvision
Para                        weapon_m249
SIG p228                    weapon_p228
Scout                       weapon_scout
Sig 550                     weapon_sig550
Smoke grenade               weapon_smokegrenade
Steyr Aug                   weapon_aug
Ump.45                      weapon_ump45
Usp.45 pistol               weapon_usp