How to add Language of custom plugin in Admin dashboard in wordpress

Add text for language like this "<?php echo __('General options', 'roomle'); ?>"

Step 1 : Create plugin like "roomle"

Step 2 : Set domain path into plugin file like following screenshot

Step 3 : Create "roomle.pot" inside /wp-content/plugins/roomle/languages/

Step 4 : Add like following text inside "roomle.pot" file (FYI : Don't add any translation language just add as (msgstr = ""))

msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2019-06-08 12:08+0100\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=CHARSET\n"
"Content-Transfer-Encoding: 8bit\n"
#: functions.php:29
#, php-format
msgid "Roomle"
msgstr ""
#: functions.php:47
#, php-format
msgid "Select"
msgstr ""
#: functions.php:56
msgid "Roomle product type"
msgstr ""

Step 5 : Download the free plugin called Loco Translate from here. Or add directly from the WordPress administration via Plugins > Add New. (https://wordpress.org/plugins/loco-translate/)

Step 6 : Install and Activate Loco plugin

Step 7 : Click on Plugin inner menu of Loco after that click into your plugin from list.

Step 8 : Click on New language

Step 9 : Choose a language which you wish to translate (Here translate from English to Spanish)

Step 10 : See Source text (its from "roomle.pot" ) you need to add text of translate language.

Step 11 : After create all text to Spanish language, Check "/roomle/wp-content/languages/plugins/" directory. your 2 file is created here like "roomle-es_ES.mo" and "roomle-es_ES.po"

Step 12 : If you wish to check so you need to download wordpress in spanish language and setup wordpress and check

Also this answer for following question

• How to Change the Admin plugin Language
• How to add language into your plugin
• How to add language into your custom plugin

AWS SSH and SFTP Disconnected: No supported authentication methods available (server sent: publickey)

Disconnected: No supported authentication methods available (server sent: publickey)

Could not connect to server

Step 1 : Login aws console

Step 2 : Go to instance list

Step 3 : Stop instance which have issue

Step 4 : After stop instance, Click and open "View/Change User Data" (See image)

Step 5 : Add Following code into textarea

 Content-Type: multipart/mixed; boundary="//"
MIME-Version: 1.0
--//
Content-Type: text/cloud-config; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="cloud-config.txt"
#cloud-config
cloud_final_modules:
- [scripts-user, always]
--//
Content-Type: text/x-shellscript; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="userdata.txt"
#!/bin/bash
ls -Al
ls -Al /home
ls -Al /home/ubuntu
ls -Al /home/ubuntu/.ssh
sudo cat /home/ubuntu/.ssh/authorized_keys
chown root:root /home
chmod 755 /home
chown ubuntu:ubuntu /home/ubuntu -R
chmod 700 /home/ubuntu
chmod 700 /home/ubuntu/.ssh
chmod 600 /home/ubuntu/.ssh/authorized_keys
ls -Al
ls -Al /home
ls -Al /home/ubuntu
ls -Al /home/ubuntu/.ssh
sudo cat /home/ubuntu/.ssh/authorized_keys
sudo ufw disable
sudo service sshd restart
--//

Step 6 : Click on save button

 Step 7 : Finish! Check your SSH and SFTP detail

How to install letsencrypt SSL certificate on Ubuntu 14.04 apache

Download the Let’s Encrypt Client

Step 1 : sudo add-apt-repository ppa:certbot/certbot

Step 2 : sudo apt-get update

Step 3 : sudo apt-get install python-certbot-apache

Set Up the SSL Certificate

Step 4 : 

sudo certbot --apache -d jaydipkansagra.com
OR
sudo certbot --apache -d jaydipkansagra.com -d www.jaydipkansagra.com

Verifying Certbot Auto-Renewal

Step 5 : sudo certbot renew --dry-run

How to connect ssh using PPK file into Cpanel from terminal Ubuntu

Connection command without PPK file

ssh username@146.66.87.208 -p18765

 Connection command with PPK file

ssh -i privatekey.ppk username@146.66.87.208 -p18765 (if not connect with PPK or give an error like "Load key "privatekey.ppk": invalid format" so please use the direct file without PPK format (See the following screenshot) ) (Supported port : 22, 18765, 18675)

Access denied for user 'root'@'localhost' even password is correct

Error : SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket

Step 1 : For backup = cp -rfv /var/lib/mysql /var/lib/mysql$(date +%s)

Step 2 : sudo /etc/init.d/mysql stop

Step 3 : sudo mysqld_safe --skip-grant-tables & (If process will not complete after 5 minuts keep this window open and open another terminal window)

Step 4 :  mysql -u root -p 

Step 5 : FLUSH PRIVILEGES;

Step 6 : UPDATE user SET Grant_priv = 1, Super_priv = 1 WHERE user = 'root'

Step 7 : update user set password=PASSWORD("Franki3r0s3") where User='root';

Step 8 : GRANT ALL PRIVILEGES ON . TO 'root'@'localhost' IDENTIFIED BY 'anki8f0s3';

Additional commands : 

1. mysql# show users;
2. mysql# SELECT User FROM mysql.user;
3. ps -e | grep mysqld
4. kill -kill 16300
5. ps -x

How to make backgroud process in php using shell_exec

Create background.php file

<?php
$post_id = ['post_id'=>10];
$post_id = json_encode($post_id);
$pid = shell_exec("php /var/www/html/magento/dump/exportfile.php $post_id alert >> /var/www/html/magento/dump/test.log & echo $!");
echo $pid;

Create checkprocess.php file

$pid = 1254; // Copy pid from background.php
if (file_exists("/proc/$pid" )){
    echo "process with a pid = $pid is running";
}

 Create exportfile.php file

//Create this file with high time taking script

How to create CloudFront Distributions / CDN in AWS with Origin EC2 / Loadbalancer

Origin Settings

Step 1 : Login AWS console ( https://console.aws.amazon.com )

Step 2 : Open CloudFront console ( https://console.aws.amazon.com/cloudfront/ )

Step 3 : Click on "Create Distribution" 

Step 4 : Click on "Get started" on Web

Step 5 : "Origin Domain Name" = Select your load balancer for EC2 

Step 6 : Origin Path = Blank (add cdn file directory path if specific dir add for CDN )

Step 7 : Origin SSL Protocols = default selection

Step 8 : Origin Protocol Policy = HTTP Only

Step 9 : Origin Response Timeout = 30 (default) 

Step 10 : Origin Keep-alive Timeout = 5 (default)

Step 11 : HTTP Port = 80  (default)

Step 12 : HTTPS Port = 443 (default)

Step 13 : Origin Custom Headers = Blank (like default) 

Default Cache Behavior Settings 

Step 14 : Viewer Protocol Policy = HTTP and HTTPS

Step 15 : Allowed HTTP Methods = GET, HEAD

Step 16 : Field-level Encryption Config = blank (default)

Step 17 : Cache Based on Selected Request Headers = None (default)

Step 18 : Object Caching = Use Origin Cache Headers (default)

Step 19 : Forward Cookies = None (default)

Step 20 : Query String Forwarding and Caching = None (default)

Step 21 : Smooth Streaming = No (default)

Step 22 : Restrict Viewer Access (Use Signed URLs or Signed Cookies) = No (default)

Step 23 : Compress Objects Automatically = No (default)

Step 24 : Lambda Function Associations = (default)

Distribution Settings

Step 25 : Price Class = Use U.S., Canada, Europe, Asia and africa (You can select ALL for best performance world wide)

Step 26 : AWS WAF Web ACL = None (default)

Step 27 : Alternate Domain Names (CNAMEs) = Subdomain like cdn.jaydipkansagra.com (you can add multiple domain here)

Step 28 : SSL Certificate = Select custom if you want SSL on cdn url ( If option disable you need to create Certificates into N.Virginia ) 

Step 29 : Supported HTTP Versions = HTTP/2, HTTP/1.1, HTTP/1.0

Step 30 : Default Root Object = Blank (default)

Step 31 : Logging = Off (default)

Step 32 : Enable IPv6 = Checked (default)

Step 33 : Comment = Blank (default)

Step 34 : Distribution State = Enabled (default)

Step 35 : Click on Create Distribution button (default)

Pointout domain 

Step 36 : Point subdomain cdn.jaydipkansagra.com to d111111abcdef8.cloudfront.net

Step 37 : open the Route 53 console at https://console.aws.amazon.com/route53/

Step 38 : Click Hosted Zones

Step 39 : Click Create Record Set

Step 40 : Name = cdn, Type = CNAME, Alias = NO, TTL (Seconds) = 300, Value = d2m9sh2v6fo5gb.cloudfront.net

Step 41 : Click on save button

Step 42 : Finish : Open http://cdn.jaydipkansagra.com thats done