Ubuntu 18.04/19.04 安裝Draw.io 好用的繪圖軟體 (也有WINDOWS和MAC)

draw.io 是一個非常好用的繪圖軟體.他提供了非常多常用的ICON用來設計圖,使用上非常的直覺.他也提供了離線版本:
https://github.com/jgraph/drawio-desktop/releases
這裡有持續更新的最新版本 /你可以在這裡下載到 Windows Installer, Window No Installer, Mac, Linux – deb, snap, AppImage or rpm 的幾種安裝格式.

Ubuntu提供snap版本的

在 snap 上安裝--

sudo snap install drawio --edge

uBuntu 19.04 /rc.local 重建手術

最近把家裡的centos 7伺服器改成了新19.04版本的,但是發現完全找不到開機執行的RC.LOCAL 檔,只好自行重建了

1.建立一個rc.local 服務

sudo vi /etc/systemd/system/rc-local.service

[Unit]
Description=/etc/rc.local Compatibility
ConditionPathExists=/etc/rc.local
[Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
StandardOutput=tty
RemainAfterExit=yes
SysVStartPriority=99

[Install]
WantedBy=multi-user.target

完成後存檔記錄.

1.建立一個/etc/rc.local 檔

sudo touch /etc/rc.local
sudo chmod +x /etc/rc.local

sudo vi /etc/rc.local

加入預設的啟動SHELL內容:
#!/bin/sh -e

exit 0;

3.建立開機時的執行服務啟動

sudo systemctl enable rc-local

重新啟動電腦就完成設置了.


樹苺派BUSTER (DEBIAN 10) 安裝PHP7.3 +LARAVEL+RASPBERRYPI

樹苺派在2019年升級到了新的debian 10 也提供了新版本的php 使用,所以我們今天就針對php版本重新進行安裝,基本的laravel的環境.

安裝 php-7.3 及php_fpm

sudo apt install php7.3 php7.3-curl php7.3-gd php7.3-imap php7.3-json php7.3-mysql php7.3-opcache php7.3-xmlrpc php7.3-xml php7.3-fpm php7.3-zip php7.3-mbstring php7.3-sqlite3 php7.3-cli php7.3-readline -y



修改PHP7.3-FPM 使用者改為PI

vi /etc/php/7.3/fpm/pool.d/www.conf
#—-以下內容修改
#把 www-data 改成pi
;user = www-data
;group = www-data

user = pi
group = pi

###
;listen.owner = www-data
;listen.group = www-data
改成
listen.owner = pi
listen.group = pi

啟動PHP7.3-FPM

service php7.3-fpm start
systemctl enable php7.3-fpm


安裝Composer

sudo apt-get install composer




安裝 nodejs 和 npm

sudo apt-get install nodejs
sudo apt-get install npm


因為laravel需要用到nodejs所以安裝這些套件

安裝NIGNX HTTPD 伺服器

sudo apt-get install nginx


設定 nginx 的使用者為pi

sudo vi /etc/nginx/nginx.conf

#user www-data;
user pi;


修改預設的伺服器的php

sudo vi /etc/nginx/sites-available/default

    #
    #location ~ \.php$ {
    #       include snippets/fastcgi-php.conf;
    #
    #       # With php-fpm (or other unix sockets):
    #       fastcgi_pass unix:/run/php/php7.3-fpm.sock;
    #       # With php-cgi (or other tcp sockets):
    #       fastcgi_pass 127.0.0.1:9000;
    #}

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #       deny all;
    #}
#
location ~ \.php$ {
       include snippets/fastcgi-php.conf;
#
#       # With php-fpm (or other unix sockets):
       fastcgi_pass unix:/run/php/php7.3-fpm.sock;
#       # With php-cgi (or other tcp sockets):
#       fastcgi_pass 127.0.0.1:9000;
}

# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
location ~ /\.ht {
       deny all;
}

啟動NGINX

sudo serivce nginx start
sudo systemctl enable nginx

安裝laravel

composer create-project laravel/laravel laravel –prefer-dist
生成的laravel目錄會放置於/home/pi/laravel

設定nginx目錄指向laravel

sudo vi /etc/nginx/sites-available/default

#原始內容
    root /var/www/html;

    # Add index.php to the list if you are using PHP
    index index.html index.htm index.nginx-debian.html;
#更改為以下內容    
root /home/pi/laravel/public;

    # Add index.php to the list if you are using PHP
    index index.php index.html index.htm index.nginx-debian.html;

重新啟動NGINX

sudo serivce nginx start


打完收功

Raspberrypi 樹苺派設定固定IP

前言

樹苺派設定固定IP的方式:

啟動eth0的網路

vi /etc/network/interfaces.d/eth0

#auto eth0 是啟動!!!
auto eth0
iface eth0 inet static
address 192.168.1.222
netmask 255.255.255.0
gateway 192.168.1.1
dns-nameservers 168.95.1.1 8.8.8.8

DNS 設定: (一般首次設定時會)

vi /etc/reslove.conf

nameserver 168.95.1.1
nameserver 8.8.8.8

多重網路開啟時:

如果要同時開立無線網路/及有線網路時要指定default gateway

sudo route add default gw 192.168.1.1









Raspberry Pi Install Laravel php Nginx

安裝樹苺派的PHP+LARAVEL+NGINX

Install PHP 7.0

sudo apt install php7.0 php7.0-curl php7.0-gd php7.0-imap php7.0-json php7.0-mcrypt php7.0-mysql php7.0-opcache php7.0-xmlrpc php7.0-xml php7.0-fpm php7.0-zip php7.0-mbstring php7.0-sqlite3 php7.0-cli php7.0-readline -y


START php7.0-fpm

sudo systemctl enable php7.0-fpm
sudo service php7.0-fpm start


Install Composer

sudo apt-get install composer



Install NODEJS

sudo apt-get install npm


INSTALL NGINX

sudo apt-get install nginx


Create laravel

composer create-project laravel/laravel laravel –prefer-dist

sudo vi /etc/nginx/sites-enabled/default

################################
#root /var/www/html;
root /home/pi/laravel/public;

#Add index.php to the list if you are using PHP#index index.html index.htm index.nginx-debian.html;
index index.php index.html index.htm index.nginx-debian.html;
 
location ~ .php$ {
     include snippets/fastcgi-php.conf; 
     fastcgi_pass unix:/var/run/php/php7.0-fpm.sock; 
}
location ~ /\.ht {             
    deny all;     
}

SETUP SERVICE

sudo service nginx restart
sudo systemctl enable nginx

打完收功

MAIL SERVER寄送信件一直出現MX錯誤! 原來是: /etc/resolv.conf

設定 /etc/resolv.conf 檔案

之前的舊伺服器重新開機後一直出現MX not found總覺得那裡怪怪的.

後來原來是因為在伺服器重開之後name server 查詢伺服器異常.

更改了/etc/resolv.conf 才能夠發信件.

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND — YOUR CHANGES WILL BE OVERWRITTEN
nameserver 168.95.1.1
nameserver 168.95.2.1

ubuntu 18.04 youtube-dl not work

最近想要把自己家裡的音樂機器人升級一下,發現了居然已經不會自動下載Youtube的音樂檔了,測試了一下才發現youtube-dl好像已經失效了,果然Google Youtube 不是省油的GOOGLE,只好再把 Youtube-DL 下載最近的版本.

 

要將youtube升級到最新版本:

sudo pip3 install –upgrade youtube-dl


 

安裝SCRATCH 2.0的方法 18.04 UBUNTU

安裝SCRATCH 2.0 OFFLINE在UBUNTU 18.04

# install necesary i386 libraries
sudo apt-get install libgtk2.0-0:i386 libstdc++6:i386 libxml2:i386 libxslt1.1:i386 libcanberra-gtk-module:i386 gtk2-engines-murrine:i386 libqt4-qt3support:i386 libgnome-keyring0:i386 libnss-mdns:i386 libnss3:i386

sudo ln -s /usr/lib/i386-linux-gnu/libgnome-keyring.so.0 /usr/lib/libgnome-keyring.so.0
sudo ln -s /usr/lib/i386-linux-gnu/libgnome-keyring.so.0.2.0 /usr/lib/libgnome-keyring.so.0.2.0

wget http://airdownload.adobe.com/air/lin/download/2.6/AdobeAIRSDK.tbz2
sudo mkdir /opt/adobe-air-sdk
sudo tar jxf AdobeAIRSDK.tbz2 -C /opt/adobe-air-sdk


wget https://aur.archlinux.org/cgit/aur.git/snapshot/adobe-air.tar.gz
sudo tar xvf adobe-air.tar.gz -C /opt/adobe-air-sdk
sudo chmod +x /opt/adobe-air-sdk/adobe-air/adobe-air

https://scratch.mit.edu/scratch2download/
sudo mkdir /opt/adobe-air-sdk/scratch
wget https://scratch.mit.edu/scratchr2/static/sa/Scratch-456.0.1.air
sudo cp Scratch-456.0.1.air /opt/adobe-air-sdk/scratch/
cp Scratch-456.0.1.air /tmp/
cd /tmp/
unzip /tmp/Scratch-456.0.1.air
sudo cp /tmp/icons/AppIcon128.png /opt/adobe-air-sdk/scratch/scratch.png

Create launcher:

$ cat << _EOF_ > /usr/share/applications/Scratch2.desktop
[Desktop Entry]
Encoding=UTF-8
Version=1.0
Type=Application
Exec=/opt/adobe-air-sdk/adobe-air/adobe-air /opt/adobe-air-sdk/scratch/Scratch-456.0.1.air
Icon=/opt/adobe-air-sdk/scratch/scratch.png
Terminal=false
Name=Scratch 2
Comment=Programming system and content development tool
Categories=Application;Education;Development;ComputerScience;
MimeType=application/x-scratch-project
_EOF_

$ chmod +x /usr/share/applications/Scratch2.desktop

And that’s it. First run is a little bit longer, as the Air is unpacking Scratch 2 application to ~/.appdata/edu.media.mit.Scratch2Editor folder.

原文:

https://askubuntu.com/questions/913892/how-to-install-scratch-2-on-ubuntu-16-10-or-17-04-64bit

Youtuber被使用未授權字型公司控告侵權建議大家可以下載以政府提供的字體

最近許多Youtuber被字型公司控告侵權.

也就是說只要使用在圖像或影片不能用於未授權的字型製作字幕.
否則會以每個月2萬元的費用支付給字型創作公司.

所以建議大家可以下載以政府提供的字體:
CNS11643中文標準交換碼全字庫(簡稱全字庫)
https://data.gov.tw/dataset/5961

這個是全字庫的字體,可以在政府開放平台中下載取得.

因為沒有做用微軟作業系統創作影片,所以應該沒有被告的風險.