• 雙時區設定

sudo apt-get install ntpdate

sudo ntpdate time.windows.com

sudo hwclock --localtime --systohc

• ubuntu 資料夾路徑改英文方法

sudo gedit ~/.config/user-dirs.dirs

XDG_DESKTOP_DIR="$HOME/Desktop"

XDG_DOWNLOAD_DIR="$HOME/Download"

XDG_TEMPLATES_DIR="$HOME/模板"

XDG_PUBLICSHARE_DIR="$HOME/公共"

XDG_DOCUMENTS_DIR="$HOME/Docs"

XDG_MUSIC_DIR="$HOME/音樂"

XDG_PICTURES_DIR="$HOME/Pictures"

XDG_VIDEOS_DIR="$HOME/Videos"

到Home根目錄將資料夾名稱也改掉

• 登入Numlk預設開啟

sudo -i

xhost +SI:localuser:gdm

su gdm -s /bin/bash

gsettings set org.gnome.settings-daemon.peripherals.keyboard numlock-state 'on'

gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click true

• 安裝Tweak 和Extension

sudo add-apt-repository universe

sudo apt install gnome-tweak-tool -y

apt search gnome-shell-extension

sudo apt install gnome-shell-extension-gsconnect -y

sudo apt install $(apt search gnome-shell-extension | grep ^gnome | cut -d / -f1) -y

mkdir .themes

centos or redhat

sudo dnf install gnome-extensions-app

• 個人化部份(更改登入畫面橘色部份)

https://askubuntu.com/questions/1124357/changing-the-colour-of-gnome-gdm-login-box-on-ubuntu-18-04

in Ubuntu 18.04 by default the login-screen uses /usr/share/gnome-shell/theme/ubuntu.css file..

the Orange color #dd4814 is from this portion

.login-dialog-user-list {

spacing: 12px;

padding: .2em;

width: 23em; }

.login-dialog-user-list:expanded .login-dialog-user-list-item:selected { background-color: #dd4814;

color: #ffffff; }

.login-dialog-user-list:expanded .login-dialog-user-list-item:logged-in { border-right: 2px solid #dd4814; }

• 更改登入畫面背景

#lockDialogGroup {

background: #2c001e url(file:///usr/share/backgrounds/sea.jpg);

background-repeat: no-repeat;

background-size: cover;

background-position: center; }

• 將ubuntu20.04圖標變為彩色

install -D /dev/null ~/.themes/MyCustomTheme/gnome-shell/gnome-shell.css

gedit ~/.themes/MyCustomTheme/gnome-shell/gnome-shell.css

#panel .panel-button .app-menu-icon {

-st-icon-style: regular; }

• 螢幕錄影

sudo apt-get install kazam

• 手機連接webcam (iriun)

• https://iriun.com/

• 如何把 ibus 換成 fcitx（Ubuntu）

https://www.alexleo.click/ibus_to_fcitx_ubuntu/

• ubuntu 20.04 change login button

https://ubuntuhandbook.org/index.php/2020/05/login-screen-background-ubuntu-20-04/

sudo apt install git libglib2.0-dev

git clone https://github.com/thiggy01/change-gdm-background.git

chmod +x change-gdm-background

cd change-gdm-background/

sudo ./change-gdm-background /path/to/image

• XAMPP下的MYSQL解決中文亂碼？？？問題

https://www.itread01.com/content/1495890128.html

搜尋utf8 刪去"#"，重啟xampp

• xampp的ubuntu版本開啟apache發生問題時：

https://askubuntu.com/questions/942488/xampp-apache-web-server-stopped-ubuntu

$ sudo netstat -tulpn | grep ':80\|:443'