Dev {Tricks}

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Create SSH Keys with PuTTY on Windows

Download and install PuTTY on your computer.

After installing putty, run PuTTYgen from start menu

You may customize Parameter at the bottom. But generally default values are appropriate.

Now click on Generate and move the mouse on blank area to complete key generation.

Save private key in save place. Noted that you may or may not use Key passphrase.

Close PuTTYgen tools.

Connect to server with Private Key

Open PuTTY

Put hostname or IP in session.

Go to Connection > SSH > Auth and browse private key.

Now you will be prompted Login as

 

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Email Protocols – POP3, IMAP and SMTP and mail settings

  • POP3: Post Office Protocol version 3 (POP3)
  • IMAP: Internet Message Access Protocol (IMAP)
  • SMTP: Simple Mail Transfer Protocol (SMTP)

Incoming mail server (POP3 or IMAP):

mail.domain.com

Server hostname can also be used as mail server. For example, server.bdhostit.com

IMAP Settings:

  • IMAP port: 143 (IMAP non-encrypted port)
  • IMAP port: 993 (IMAP encrypted port support SSL)

Server requires encrypted connection (SSL). (Apple Mail users should tick “Use SSL”)

POP3 Settings:

  • POP3 port: 110 (POP3 non-encrypted port)
  • POP3 port: 995 (POP3 encrypted port support SSL)

Server requires encrypted connection (SSL). (Apple Mail users should tick “Use SSL”)

Username: EMAIL ADDRESS
Password: EMAIL PASSWORD

Outgoing mail server (SMTP):

mail.domain.com

Server hostname can also be used as mail server. For example, server.bdhostit.com

SMTP Settings

  • SMTP Port = 25 (SMTP non-encrypted port)
  • SMTP Port = 465 (SMTP encrypted port support SSL)
  • SMTP Port = 587 (SMTP encrypted port support SSL)

Username: EMAIL ADDRESS
Password: EMAIL PASSWORD

 

 

 

 

 

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AddHandler, AddType, SetHandler in htaccess | Change PHP version for directory or folder

cPanel-generated handler

# php -- BEGIN cPanel-generated handler, do not edit
# Set the “ea-php72” package as the default “PHP” programming language.
AddHandler application/x-httpd-ea-php72 .php .php7 .phtml
# php -- END cPanel-generated handler, do not edit

 

<IfModule mime_module>
AddHandler application/x-httpd-ea-php56___lsphp .php .php5 .phtml
</IfModule>

<IfModule mime_module>
AddType application/x-httpd-ea-php56___lsphp .php .php7 .phtml .htm .html
</IfModule>

<FilesMatch “\.(php4|php5|php3|php2|php|phtml)$”>
SetHandler application/x-lsphp56
</FilesMatch>

<IfModule mod_rewrite.c>
AddHandler application/x-httpd-php56 .php
</IfModule>

AddHandler application/x-httpd-php56 .php .php5 .php4 .php3

<FilesMatch ".(?:html|php)$">
SetHandler application/x-lsphp56
</FilesMatch>

 

 

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error=1&text=Your IP is blacklisted

error=1&text=Your IP is blacklisted
http://help.directadmin.com/item.php?id=306

To remove yourself from the blacklist, edit:

vi /usr/local/directadmin/data/admin/ip_blacklist

You may comment your IP (#) Or you may delete the IP from the list.

If you want you can whitelist your IP. To do this, open whitelist file

vi /usr/local/directadmin/data/admin/ip_whitelist

Add IPs one per line and save it. The IPs will never be blacklisted.

:wq

You can also update admin setting for security at Admin Level -> Admin Settings -> Security Settings

 

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[autoindex:error] No matching DirectoryIndex

[Sun May 17 05:22:43.313979 2020] [autoindex:error] [pid 1234:tid 140222558668] [client 9.1228.110.167:171311] AH01276: Cannot serve directory /home/***/***/***.com/private_html/: No matching DirectoryIndex (index.html,index.htm,index.shtml,index.php,index.phtml) found, and server-generated directory index forbidden by Options directive, referer: https://www.***.com/

Reason One:

Apache Error

By default Apache is configured with the following:

<IfModule dir_module>
DirectoryIndex index.html
</IfModule>

We have to change it to

<IfModule dir_module>
DirectoryIndex index.html index.php
</IfModule>

Adding index.php directive.

How to change?

Open httpd.conf

vi /etc/httpd/conf/httpd.conf

Change accordingly and then restart httpd

systemctl restart httpd

Reason Two:

Symbolink link error from private_html

“Use a symbolink link from private_html to public_html – allows for same data in http and https” instead of “Use a directory named private_html”