No, everyone should be able to write on them however the server you're playing on may have a plugin preventing you from using signs
No, the only way is to have a high-ranked person unmute you. In the meantime, use signs to talk.
You need to have a upgraded account to have a Minecraft Server running on 000webhost.
We cannot make you a Minecraft server. We can only give you the map to play until you quit or you make a server of your own.
If its not your server you can not, the server owner only can. If you have your own server, go into the console of the server and type in /op YourMinecraftUsername
yes
You can't. Only the person with the server files on their computer can turn the specific server on.
If you own a texture pack, then it will show the texture pack for you only on the lan server.
Server plugins only.
He doesn't have a public server and he probably won't. He has a private server where only he and his friends play on. PRIVATE!
Only if the server is Snapshot and you have the same version of Snapshot. To create a server with snapshot, download the snapshot server creater.
You do not need a Minecraft account to set up a server, so unlimited. However most computers can only run one server at a time
There's no way to log into a minecraft server as a guest. You have to purchase the game to be able to use minecraft online "legally". The only way you can play with a non-purchased account is by illegally playing on a cracked minecraft client. Which is strictly unreccomended.