User commands and logs
Many logging and user-related commands can help you check on your system and keep track of security matters. We guide you through several helpful tools.
You can tell that Unix and Linux were designed for multiple logins by all the logs and commands that provide information about users. These tools often detect the first signs of an attempt to break into your system. In an institutional environment, they can be used to check not only what resources are being used but also whether users are doing what they are supposed to be doing.
If you have done any systems administration at all, you have probably used the
adduser command. The
adduser command (Figure 1) provides a simple wizard to help you create a new account. By default, much of the work is done for you, such as automatically creating a user ID (UID). However, you can choose to specify many details for yourself with options like
--gid ID and
Read full article as PDF:
New release comes with better semantic search and improvements to Kontact.
Annual code quality report shows FOSS is more secure at all project size levels.
The Raspberry Pi Foundation has announced an even smaller version of the tiny computer that will fit into a DIMM slot.
A new class of problems lets a malicious app pre-configure an invisible privilege update.
New Hack language adds static typing and other conveniences.
New crypto policy system will offer easier configuration and more uniform security.
Ubuntu founder denounces insecurity in proprietary, close-source software blobs.
Vulnerability affects many Linux web servers
The Bavarian capital shuns Microsoft, Google, and other alternatives to implement an open source groupware solution.
Phone vendor partnerships bring Mark Shuttleworth's dream of Ubuntu on a phone a step closer to reality.