Run a command when a player first joins a server

As the title suggests, I'm looking for a way to run a command on every player who joins the server for the first time. Is this possible with a vanilla CS:GO server, or is there a plugin required to do this?

For example:

NewPlayer is joining the Terrorist force
Server: /freeze <player> 10
NewPlayer has been frozen for 10 seconds.

counter-strike-global-offensive server-administration

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Quick Answer about "Run a command when a player first joins a server"

Run this in the chat: /scoreboard objectives add joined dummy.

In command blocks on a fill clock: /scoreboard players add @a joined 0 /execute @a[score_joined=0] ~ ~ ~ [command you want to run]

How do you make a custom join message in Minecraft?

For the command to kill a player or other entity, see Commands/kill. /execute executes another command but allows changing the executor, changing the position and angle it is executed at, adding preconditions, and storing its result.

How do you execute someone in Minecraft?

Only operators can see command output from players. If you demote them to a regular player, they will not see it in the chat. And now, if you run your command through the command block, no one will be able to see the output in chat.

How to run a command on player first join [1.14/1.15/1.16]

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