Learn Linux
Learn Linux
About the Book
About the Editors
Table of Contents
- About this book
-
About this book
- Authors
- Reviewers
- Goals
- How it is structured
-
Setting up the training environment
- Why training environment
- Lab environment
- Virtual Servers
- VirtualBox
- About Vagrant
- Vagrant and VirtualBox installation
- Working with Vagrant
- Vagrantfile
- Starting and stopping VMs
-
What is Linux
- Linux is an operating system
- Linux is a kernel
- Linux history
- Linux distros
- Red Hat / CentOS / Fedora Linux
-
Managing local users and groups
- Introduction to users and groups
- Groups
- Managing users
- Managing groups
- Creating user accounts with useradd
- Modifying existing users with usermod
- Removing users with userdel
- Setting user password with passwd
- Managing password aging
- Group membership
- RPM package management
- DNF package management
- Managing Linux Filesystems
-
Logical Volume Manager (lvm)
- Partition limitations
- LVM introduction
- LVM advantages
- Create the first volume
- Managing physical volumes
- Managing volume groups
- Managing logical volumes
- Resizing logical volumes
- Moving LVM data from one disk to another
- Logical and Physical extents
- LVM and Device mapper relations
- This is Roman’s test chapter
- This is Roman’s test chapter outside of subdirectory
-
Linux CLI and bash basics
- Navigating in CLI
- CLI commands, options and arguments
- Using TAB
- Using “-h” or “–help”
- Manual pages
- man navigation
- Searching for a man page
- history command
- Special characters “~”, “\”, “-” and others
- Linux File globbing
- Bash Environment Variables with export, set and unset
- Command substitution and special character escape
- Common Environment variables
- Using aliases
- CLI profiles and loading order of /etc/profile, .bashrc, etc.
-
Using
.andsourcecommands
-
Working with standard input, output, and error
- Redirection with >, 1> and 2>
- Difference between >> and >
- Pipelines |
- Redirecting with tee
-
Special text processing and Regex
- Поиск шаблона с участием регулярных выражений
-
Scripting
- Creating bash scripts
- Program exit status
- Strings
- Maths
- структуры управления, условное выполнение
- оператор if
- проверки файлов, строк
- использование if/else
- оператор выбора case
- повторение, цикл for
- for и последовательности
- использование позиционных параметров
- работа с параметрами содержащими пробелы
- Functions
- сценарии в командной строке, отладка сценариев
- FIREWALL | WORK IN PROGRESS
- https://www.unixmen.com/iptables-vs-firewalld/
- https://en.wikipedia.org/wiki/D-Bus
- NETWORKING | WORK IN PROGRESS
- Managing processes | WORK IN PROGRESS
- what that means is every process is being forked.
- any questions?
- kworker - kernel placeholder for worker threads.
- http://manpages.org/chrt
- man ps
- sha1sum /dev/zero &
- Managing Linux services with systemd | WORK IN PROGRESS
-
Special text processing and Regex
- Поиск шаблона с участием регулярных выражений
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