This is basic structure for rest api having token authentication using laravel passport.
Requirements
- PHP >= 5.6.4
- OpenSSL PHP Extension
- PDO PHP Extension
- Mbstring PHP Extension
- Tokenizer PHP Extension
- XML PHP Extension
Angular2 Heroes Tutorial
Here I will be going to show you complete steps for
learning Angular2 Heroes Tutorial from Start to end.
I have followed official documentation and created following git repository
https://github.com/jaffarhussain1011/Angular2-Tour-of-Heroes/
Prerequisite: Node.js
- Clone this git repository
- cd to_cloned_directory
- run command npm install
- run command npm start
For one by one tutorial parts please check releases
Remove first few lines of Huge file
I was need to remove first 6 lines of huge file almost 700+MB of size and I was unable to open in any editor.
Then i found following command to edit file
tail -n +7 file.txt > file.new.txt
And after this I renamed new file as old file
How to Get/Print First n lines of very huge file.
Following linux command can do the trick.
head -n file.txt
replace n with your desired lines
If you want first 10 lines then execute following command on terminal.
head -10 file.txt
How to Export Mongo collection without mongoexport command
As we know we can export mongo collection or mutliple collections using mongoexport command
but sometime you don’t have access for mongoexport command for given user.
So you can export mongo collection without using mongoexport command as below.
1. Rurn following command in shell
mongo | tee collection.json
2. And then run following command
db.collection.find({}).forEach(function(f){print(tojson(f,'',true))})
3. Now open file collection.json file and remove extra lines from file(like use db statements etc or command itself)
from start and end of file
How to use Nginx as reverse proxy for Node apps?
First we need to do followings
1. Create Node App
2. Create Nginx server block
3. Update hosts file
4. Restart Nginx
1. Create Node App
Already I have node app that is running on http://localhost://3000
So start with second point.
2. Create nginx server block
Run following command on terminal
sudo nano /etc/nginx/sites-available/{app.dev}
And put following contents
server {
listen 80;
server_name app.dev;
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_set_header X-NginX-Proxy true;
proxy_pass http://localhost:3000/;
proxy_redirect off;
# Socket.IO Support
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}
and press control+o and then control+x to save & close file
Now run following command on terminal to create symlink
sudo ln -s /etc/nginx/sites-available/app.dev /etc/nginx/sites-enabled/app.dev
3. Update hosts file
sudo nano /etc/hosts
put following line at bottom of this file
127.0.0.1 app.dev
and press control+o and then control+x to save & close file
4. Restart Nginx
sudo service nginx restart
Git Ignore File mod changes
I was working with git and facing file mod changes issues every time.
Then i google it and found a way to ignore file mod changes as below
Run following command to ignore file mod changes
git config core.fileMode false
If you want to run this globally for current logged in user then run following command
in terminal
git config --global core.filemode false
404 Errors and google webmasters tool
If you are seeing 404 crawl errors in webmasters tool and
you want to fix 404 for you website then first you need to
identify whether these pages are real or not if real then try to fix these links
and improve user experience.
But if these pages are not real then just redirect them to your custom or home page of you website with http code 301
How to do authorization in laravel 5.2?
Its very simple and can be done very easily.
In this tutorial we will look into followings:
How to define Abilities?
How to check Abilities?
- Via The Gate Facade
- Via The User Model
- Within Blade Templates
- Within Form Requests
What are policies?
How to check abilities/policies in Controller?
Before going to start tutorial just create Place Controller and Place model
php artisan make:controller PlaceController php artisan make:model Place
How to define Abilities?
Ability means what user can do, operations permitted by user.
You can define abilities in your AuthServiceProvider boot method as below:
Continue reading How to do authorization in laravel 5.2?
How to recover mysql root password
If you are using linux then you can do this very easily
I have not done this on windows machine
First of all get path of mysqld
run following command
which
And it will output like this
/usr/sbin/mysqld
Remember path can be changed
now stop mysql server using following command
sudo service mysql stop
now start mysql with option –skip-grant-tables, –skip-networking as below
sudo /usr/sbin/mysqld --skip-grant-tables --skip-networking &
Now open new terminal
and run following commands
sudo mysql
FLUSH PRIVILEGES;
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('MyNewPass');
Reference:
http://dev.mysql.com/doc/refman/5.6/en/resetting-permissions.html