Many of the beliefs we have around what constitutes a “good” password are created by what default policies in software, such as Microsoft, teach us. We are led to believe that a minimum length of 8 characters, a good mixture of UPPER and lower-case, numbers characters automatically make a good password. So what constitutes a strong, but also an easy password to remember? Are they in conflict with each other? Not necessarily.
Let’s delve a little into the analysis behind today’s passwords.
Author: admin
Understanding Linux File Permissions with chmod, umask, chown and chgrp
In Linux/UNIX, the concept of a user (owner) and group is very fundamental, as everybody want things to be kept secure and properly organized. The system was designed with security and ownership in mind, and this is why every file and directory has an owner and a group associated with it, and they have different permissions to access that particular file. So, how can we manipulate permissions with chmod, umask, chown and chgrp?
Sudo & Su – What’s the difference between them?
If you’re a Linux user, you’ve probably seen references to both sudo and su. These two commands are different ways of gaining root privileges. Each functions in a different way, and different Linux distributions use different configurations by default.
Linux Command Line 101
Starting a program, file management, system monitoring and more can all be performed without a single mouse click. Some swear by the command line, while others are happy never to have to encounter that intimidating black screen. If you’re the curious type and want to explore the full power of your Linux system that your GUI conveniently hides, then read on.
SystemD commands cheatsheet
Systemd is the new system and service manager for Linux. It is a replacement for init system and can manage system startup and services. It starts up and supervises the entire system.
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