How to make the machine available for several remote users on WEkEO Elasticity

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Other users may either have separate accounts on the VM or share one account. The new account must be created using appropriate system command, e.g.

$ sudo useradd -m new_user_name

The new user must also have his ssh key defined:

$ sudo su new_user name
$ cd
$ mkdir .ssh
$ cat - >.ssh/authorized_keys

(paste user’s public key to the terminal) <Ctrl-D>

$ chmod 600 .ssh/authorized_keys

If you want to allow two remote users to access a single account (or you are using several keys, e.g. from home and from office), just append the additional key at the end of .ssh/authorized_keys file, e.g.

$ cat - >>.ssh/authorized_keys

(paste additional key to the terminal) <Ctrl-D>

Warning

It is easily possible to cut the branch you are sitting on: spoil the authorized_keys file so that you cannot log in anymore. It’s better not to play with the only system account!