Learn Linux
Learn Linux
Learn Linux
Learn Linux
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CompTIA Linux+ (XK0-004)
Managing Users and Groups
Becoming a Linux System Admin
The Root User Account
Administrative Commands
Linux Kernel Modules and Peripherals
PluralSight - System Admin
Learning the Essentials of CentOS Enterprise Linux 7 Administration
Red Hat Enterprise Linux
Systemd
Software Updates
Basics of Linux
1. Working with the Shell
2. Working with Directory
3. Managing The Linux Boot Process
4. Installing Software with RPM
5. Installing Packages with YUM
5.5 Installing Packages with APT & Deb
6. Installing Packages from Source Code
7. Managing Users and Groups
8. Managing Permissions
9. Disk and File System Management
10. Linux Process Management
Linux Fundamentals
1. Using Essentials Tools
2. Working With Files
3. Connecting to a Server
4. Working with Bash Shell
5. User and Group Management and Permissions
6. Permission Management
Installation-Guide
[Solved] Problem Installing CentOS-8 in Virtualbox-6.1
Linux Configuration Tutorial
Enable eth1 interface in Kali Linux
Enable SSH in Kali
Start VirtualBox VM in Headless Mode
VMware Tools Installation Error: Not Enough Disk Space
Missing Kernel headers when installing vmware?
VirtualBox gets stuck with a black screen
Start VirtualBox VM in Headless Mode
Installing Docker in CentOS 7
Installing Docker in Kali
Windows Subsystem Error
How to speed up Kali upgrade and update?
Uninstall GRUB and use Windows bootloader
No wired connection - No Internet - on RedHat
Rsync - Sync Files Locally and Remotely
More Resources
Invaluable Resources
DevOps From Scratch
Git and Github
Git and Github
Learn Docker and Kubernates
1. What is Docker?
2. What is Kubernetes?
Miscellaneous
What is the difference between .bash_profile and .bashrc?
What's . and .. in Linux?
Tips and Tricks
Command Substitution
DevOps From Scratch
Configuring Key-based SSH
Learning Nginx
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6. Permission Management

Understanding umask

  • The umask is a shell setting that defines a mask that will be subtracted from the default permissions.

  • Default permissions on directories are 777

  • Default permissions on files are 666

    • umask 022 will set default permissions on files to 644

    • umask 027 will set default permissions on directories to 750

    ​

  • ​https://youtu.be/cKfKHREyPL8​

​

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5. User and Group Management and Permissions
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[Solved] Problem Installing CentOS-8 in Virtualbox-6.1
Last updated 6 months ago