The command in point 4 should be specified as sudo bash xmind-installer.sh username. The current command (sudo xmind-installer.sh username) does not contain an interpreter for the script, and will as such not work if copied verbatim.
Alternatively add a point instructing the user to make the script executable with chmod +x xmind-installer.sh, after which they can execute sudo ./xmind-installer.sh username.
The command in point 4 should be specified as
sudo bash xmind-installer.sh username
. The current command (sudo xmind-installer.sh username
) does not contain an interpreter for the script, and will as such not work if copied verbatim.Alternatively add a point instructing the user to make the script executable with
chmod +x xmind-installer.sh
, after which they can executesudo ./xmind-installer.sh username
.