How to install Drupal Console

If you don't have Drush and Composer installed yet, please do it firstly click here

mkdir drupalconsole
cd drupalconsole
curl -L -o drupal.phar
chmod +x drupal.phar
echo "alias drupal='~/drupalconsole/drupal.phar'" >> ~/.bashrc
source .bashrc

Navigate into your site root where you have Drupal installed

cd /home/$USER/public_html
composer require drupal/console:~1.0 --prefer-dist --optimize-autoloader --sort-packages

Check how its working:

drupal site:status
drupal about

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How to create port listener on Linux

Install nc if needed

yum install nc

Run listener on port 3000

nc -l 3000 &
nc -l -k 3000 &

where -k is –keep-open will keep connection opened and allows multiple connections in listen mode

Check on the server’s side:

netstat -tunap |grep :3000


tcp        0      0      *                   LISTEN      82786/nc            

Check from local machine:

$ nmap -p 3000 SERVERS_IP_ADDRESS


Starting Nmap 7.01 (
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How to change a website’s IP address via command line

Just run

/usr/local/cpanel/bin/setsiteip -u $user $ip

or using whmapi1

whmapi1 setsiteip ip= user=$user

to add IP onto the server

whmapi1 addips ips= netmask=

to remove IP

whmapi1 delip ip=

to check IP usage

whmapi1 get_shared_ip user=$user

to check server’s IP addresses

whmapi1 listips
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WordPress how to disable default wp-cron.php behavior

By default WordPress runs its wp-cron.php too frequiently, so to change it:

Update wp-config.php with the following line:

define('DISABLE_WP_CRON', true);

Setup manual cron job for wp-cron.php

Enter user's crontab

crontab -lu USERNAME

And append command to run cron every 12 hours

0 */12 * * * cd /home/USERNAME/public_html; php -q wp-cron.php
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How to fix RoundCube’s error: DATABASE ERROR: CONNECTION FAILED!

Mysql server and InnoDB engine must to be running!

Check mysql connection:

cat /usr/local/cpanel/base/3rdparty/roundcube/config/ |grep mysql:
$config['db_dsnw'] = 'mysql://roundcube:[email protected](/var/lib/mysql/mysql.sock)/roundcube';
mysql -u roundcube -p
show tables;

All tables should be in place:

| Tables_in_roundcube |
| cache               |
| cache_index         |
| cache_messages      |
| cache_shared        |
| cache_thread        |
| contactgroupmembers |
| contactgroups       |
| contacts            |
| cp_schema_version   |
| dictionary          |
| identities          |
| searches            |
| session             |
| system              |
| users               |
15 rows in set (0.00 sec)

Cpanel keeps roundcube backups here:


Go ahead and drop broken database

mysqladmin drop roundcube

Rebuild roundcube using the following two commands:

rpm -e --nodeps cpanel-roundcubemail

/usr/local/cpanel/scripts/check_cpanel_rpms --fix

Database roundcube should be recreated automatically.
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FormMail script

Follow the links below:

You need to upload the formmail script to cgi-bin/ folder and set permissions for to 755. Then change one line in the .pl script:

from: @referers = ('','YOUR_IP'); to: @referers = ('','');

You will need to add the following lines to your contact form:

<input type=hidden name="recipient" value="[email protected]">
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How to enable Inline HTML display in Horde

cPanel’s Horde has “Inline HTML” is disabled by default

The error you probably got:

This message part contains HTML data, but inline HTML display is disabled.
View HTML data in new window.
Convert HTML data to plain text and view in new window.
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