Table of Contents

• Installation
• Additional Softwares
• Configuration
  • SSH
  • Konsole
  • System
  • Firefox
    • about:config
      • Documents
      • Settings
    • Add-ons
    • PAC
• Ansible Overview

Installation

• Edit these files before running

  • hosts
  • vars.yml
  • playbook.yml

• Run commands

  make install-tools
  make check-localhost
  make system-opensuse-tumbleweed

Additional Softwares

• JetBrains Toolbox
• netdata

Configuration

SSH

Set up private and public keys.

Konsole

• Profile
  • Appearance
    • Edit -> Blur background 10%
    • Font 13pt
  • Scrolling: Unlimited
  • Keyboard
    • Edit -> Map ` to ~

System

• System Settings
  • Global Theme: Breeze Dark
  • Plasma Style: Install and use Sweet
  • Application Style
    • Window Decorations: No Borders
  • Workspace Behavior
    • General Behavior: Double-click to open files and folders
    • Desktop Effects
      • Appearance:
        • Translucency
        • Magic Lamp
      • Candy: Wobbly Windows
  • Window Mangement
    • Window Behavior: Focus follows mouse (mouse precedence)
    • Task Switcher: Cover Switch
  • Input Devices
    • Keyboard
      • Hardware: NumLock on Plasma Startup: Turn on
      • Advanced: Caps Lock behavior: Caps Lock is also a Ctrl
  • Display and Monitor
    • Night Color: Activated
• YaST
  • Boot Loader
    • Kernel Parameters
      • Enable verbose log during boot: Makre sure only resume=/dev/xxx left.
    • Bootloader Options: Timeout in Seconds: 3
  • Software Repositories
    • Enable debug repo

Firefox

about:config

Documents

• https://dxr.mozilla.org/mozilla-central/source/modules/libpref/init/all.js
• https://superuser.com/questions/697018/how-to-disable-popups-in-firefox-without-add-ons
• http://kb.mozillazine.org/About:config_entries

Settings

• Popups Prevention

  Field	Value
  dom.popup_maximum	2
  dom.popup_allowed_events	<empty>
  dom.disable_window_open_feature.location	true
  dom.disable_window_open_feature.close	true
  dom.disable_window_open_feature.resizable	true
  dom.disable_window_open_feature.minimizable	true
  dom.disable_window_move_resize	true
  browser.link.open_newwindow	3
  browser.link.open_newwindow.restriction	0
  browser.link.open_newwindow.override.external	-1

• Keep Firefox open after closing the last tab

  Field	Value
  browser.tabs.closeWindowWithLastTab	false

• Open new tab after current tab

  Field	Value
  browser.tabs.insertAfterCurrent	true

• Show tabs in full-screen mode

  Field	Value
  browser.fullscreen.autohide	false

• Hide title bar

  Field	Value
  browser.tabs.drawInTitleBar	true

• Double-click selects words instead of select all URL

  Field	Value
  browser.urlbar.doubleClickSelectsAll	true

Add-ons

• Dark Reader
• Download all Images
• Facebook Container
• FoxScroller
• HTTPS Everywhere
• KeePassXC-Browser
• LeechBlock
• Mate Translate
• Mute sites by default
• Notes by Firefox
• Open Tabs Next to Current
• Privacy Badger
• Search by Image
• Simple Tab Groups
• stutter
• To Google Translate
• uBlock Origin
• Web Search Navigator

PAC

PAC file should be named proxy.pac.

function FindProxyForURL(url, host) {
    url = url.toLowerCase();
    host = host.toLowerCase();

    let patterns =
    [
        "*example.com",
        "*example.net"
    ];

    for (let p of patterns) {
        if (shExpMatch(host, p)) {
            return "SOCKS5 <proxy-server>:<proxy-port>; DIRECT";
        }
    }

    return "DIRECT";
}

Ansible Overview

• https://docs.ansible.com/ansible/latest/user_guide/playbooks_best_practices.html#directory-layout
• https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#variable-precedence-where-should-i-put-a-variable
• https://docs.ansible.com/ansible/latest/user_guide/intro_patterns.html#common-patterns
• https://docs.ansible.com/ansible/2.7/user_guide/intro_inventory.html#splitting-out-host-and-group-specific-data

                                               +--------+--------+
                                               |        | Task 1 |
                                       +-------+ Play 3 | Task 2 |
                                       |       |        | Task 3 |
                                       |       +-----------------+
                                       |                ^
                                       |                |
                                       |                |
+-----------------------+              |          +-----+------+                         +------------------------+
|        DBGroup        |              |          |            |                         |        WEBGroup        |
+-----------------------+              |          |  PLAYBOOK  |                         +------------------------+
| Host: db1.example.com |              |          |            |                         | Host: web1.example.com |
| Host: db2.example.com +<-------------+          +-+--------+-+                         | Host: web2.example.com |
| Host: db3.example.com |                           |        |                           +------------+-----------+
+-----------+-----------+                           |        |                                        ^
            ^                                       |        | contains play                          |
            |     +---------------------------------+        +---------------------------------+      |
            |     |                                                                            |      |
            |     |                                                                            |      |has host group
            |     v                                                                            v      |
  +---------+-----+---+                       +------------+--------+                      +---+------+---------+
  |                   | has role              |            | Task 1 |                      |                    |
  |  Play 1 (for DB)  +------+--------------->+ CommonRole | Task 2 +<--------------+------+  Play 2 (for WEB)  |
  |                   |      |                |            | Task 3 |               |      |                    |
  +-------------------+      |                +------------+--------+               |      +--------------------+
                             |                                                      |
                             |      +--------+--------+   +---------+--------+      |
                             |      |        | Task 1 |   |         | Task 1 |      |
                             +----->+ DBRole | Task 2 |   | WEBRole | Task 2 +<-----+
                                    |        | Task 3 |   |         | Task 3 |
                                    +--------+--------+   +---------+--------+