Certbot

SSH into our ubuntu device and do the following. The commands are subject to changes, we should use all latest relevant commands from certbot's website.

$ sudo apt update
$ clear
$ sudo apt install apache2
$ cd /etc/apache2/sites-available/
$ clear
$ ls
$ sudo vi ridiculous-inc.com.conf
$ cd /var/www
$ sudo git clone https://github.com/ridiculous-ijquery-todo.git ridic
$ sudo a2ensite ridiculous-inc.com.conf 
$ sudo service apache2 restart
$ sudo apt-get update
$ clear
$ sudo apt-get install software-properties-common
$ sudo add-apt-repository ppa:certbot/certbot
$ clear
$ sudo apt-get update
$ sudo apt-get install python-certbot-apache 
$ clear
$ sudo certbot --apache
$ history

and

<VirtualHost *:80>
    DocumentRoot /var/www/ridic
    ServerName ridiculous-inc.com
    <Directory "/var/www/ridic">
        allow from all
        AllowOverride All
        Order allow,deny
        Options +Indexes
    </Directory>
</VirtualHost>

To redirect request to port 80 to other internal port we use the following setting of virtualhost:

<VirtualHost *:80>
    ServerName api.screencapdictionary.com
    <Location "/">
        ProxyPreserveHost On
        ProxyPass http://localhost:5000/
        ProxyPassReverse http://localhost:5000/
    </Location>
</VirtualHost>

Git command that I should know

Configuration

git config --global --edit

This will open the .gitconfig file by our default editor. Make changes, save, and close the editor, changes will take place. To view the changes:

git config --global --list

Branches

List out all branches:

git branch -a

Create new branch:

git branch mynewbranch

switch to new branch:

git checkout mynewbranch

Rename a branch (-m for move, as in mv in bash command):

 git branch -m mynewbranch newbranch

Delete a branch:

 git branch -d newbranch

Specific branch

git clone a specific branch instead of all the branches and checkout specific one. For example, in my private repo I want to clone the "forth-branch" only, then write:

git clone --single-branch --branch forth-branch https://github.com/machingclee/2020-English-Learning-Website.git

without --single-branch the above will fetch all branches and checkout the forth-branch.

P4Merge Configuration

git config --global merge.tool p4merge
git config --global mergetool.p4merge.path "C:/Program Files/Perforce/p4merge.exe"
git config --global mergetool.prompt false
git config --global diff.tool p4merge
git config --global difftool.p4merge.path "C:/Program Files/Perforce/p4merge.exe"
git config --global difftool.prompt false

and git config --global --list to double check the configuration:

core.editor="C:\Users\Ching-Cheong Lee\AppData\Local\Programs\Microsoft VS Code\Code.exe" --wait
user.name=James Lee
user.email=machingclee@gmail.com
color.ui=true
merge.tool=p4merge
mergetool.p4merge.path=C:/Program Files/Perforce/p4merge.exe
mergetool.prompt=false
diff.tool=p4merge
difftool.p4merge.path=C:/Program Files/Perforce/p4merge.exe
difftool.prompt=false

moving WPF from .net framework to .net core.

It is just a simple function that takes users to a route by using his/her default browser. The migration is fine except ......

the adjustment: