From the course: Linux Tips
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System basics: User and group management - Linux Tutorial
From the course: Linux Tips
System basics: User and group management
- [Instructor] On a system where more than one human or service needs to operate, we need to be able to separate and control access. On Linux, we do that by defining users and groups. Users include humans who either need to either file separate and secure from others and also services and system tasks that need particular access or need to be limited in what they can access for security reasons. Groups are collections of these users that need to be related to each other in some way such as administrators or as users who can access particular folder uses and so on. User and group management on Linux is a huge topic and we have courses on the subject here in the library, but in this episode, I want to give you a quick look at how the management works and some tools to be familiar with before you take a deeper dive. The system keeps track of users in the file ETC password. Let's take a look at that. There's a lot of lines here. Each line is a user account on the system. Though I have…
Contents
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System basics: The Linux file system6m 35s
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System basics: The command line5m 23s
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System basics: Keyboard shortcuts1m 40s
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System basics: sudo access and root4m 57s
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System basics: Explore a system4m 38s
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System basics: Exploring Bash7m
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System basics: Bash scripting basics4m 59s
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System basics: The Bash prompt6m 2s
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System basics: Bash output redirection4m 57s
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Bash expansions and substitutions4m 23s
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Bash aliases and functions4m 7s
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Bash operators6m 55s
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Logs5m 4s
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Grub3m 19s
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SysV init4m 43s
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Systemd5m 29s
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Cron8m 7s
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Understanding chroot3m 16s
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System basics: User and group management8m 39s
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System basics: Service management3m 44s
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Backing up data with rsync5m 35s
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Splitting and combining files3m 3s
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Environment configuration files2m 43s
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Working with dotfiles1m 43s
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Exploring the PATH variable3m 51s
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Browsing with the directory stack3m 19s
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Finding or locating files3m 52s
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Working with swap4m 29s
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Read and write caches3m 5s
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Terminals, consoles, and TTYs4m 27s
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Exploring journalctl5m 2s
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