Use "sudo usermod -a -G example_group example_user" to add a user to a group. To add a user to multiple groups at once, separate groups by commas, like "sudo usermod -a -G group1,group2,group3 example ...

Offensive Security, maintainer of the Kali Linux penetration-testing platform, has released a new version of the widely used open source project. Key improvements in Kali Linux 2019.4 include a ...