Dev {Tricks}

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How to get chain certificates

  • No Intermediate/Chain certificate were found. cwp
  • What’s My Chain Cert?

First check your domain certificates

https://www.sslshopper.com/ssl-checker.html

Then get your chain certificates

https://whatsmychaincert.com

Download your certificate file and open that file with the text editor, then in CWP go to Left-Menu –> Apache Settings –> SSL Cert Manager and click on the BUNDLE button to edit chain certificate file, replace all you have in that file with the new content.

After you have saved BUNDLE file reload Apache and check your SSL again.
https://www.sslshopper.com/ssl-checker.html

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How to increase Apache TimeOut | CWP

Gateway Timeout error 504

504 Gateway Timeout

When using php-cgi add this in httpd.conf

TimeOut 3600

Or add it in Apache config by creating a config file in conf.d dir

touch /usr/local/apache/conf.d/timeout.conf
echo “TimeOut 3600” > /usr/local/apache/conf.d/timeout.conf
service httpd restart

When using PHP-FPM add this in domain vhosts under “proxy_fcgi_module” config:

Domain Apache vhosts location is in /usr/local/apache/conf.d/vhosts

ProxyTimeout 3600

eg :



SetHandler “proxy:unix:/opt/alt/php-fpm72/usr/var/sockets/username.sock|fcgi://localhost”

ProxyTimeout 3600

you can also create a Apache vhost template and add the ProxyTimeout there and use it for the domain you need for increased timeout. You can copy default.stpl and default.tpl to timeout.stpl and timeout.tpl with same content only with below replace config :

php-fpm default templates can be found here :

/usr/local/cwpsrv/htdocs/resources/conf/web_servers/vhosts/httpd/php-fpm

eg :

replace :



SetHandler “proxy:%backend_fcgi%|fcgi://localhost”

with :



SetHandler “proxy:%backend_fcgi%|fcgi://localhost”

ProxyTimeout 3600

after you created the template go to webserver domain config and select the template there under php-fpm thats it or choose default trmeplate in webserver main conf and don’t forget to restart Apache web server if you manually added the timeout in vhost.
If you need Unlimited timeout then you need to disable this apache module :

LoadModule reqtimeout_module modules/mod_reqtimeout.so

go to /usr/local/apache/conf and edit httpd.conf find this line LoadModule reqtimeout_module modules/mod_reqtimeout.so and comment it out i.e. add “#” before this line. Save it and restart Apache server

eg :

#LoadModule reqtimeout_module modules/mod_reqtimeout.so

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How to change the root password

  • Resetting the Root Password
  • How to Change a Password in Linux
  • How to Reset or Change the Root Password in Linux
  • How to change root password in Ubuntu Linux
  • How to Reset the root Password

1. Login to your server using existing root password.

2. After login you can change the root password with below command.

passwd root

That’s aLL!

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How to enable and disable dangerous php functions | CWP

How to disable dangerous php functions

PHP switcher :

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /usr/local/php/php.d/disabled_function.ini

PHP-CGI selector :

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php53/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php54/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php55/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php56/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php70/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php71/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php72/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php73/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php74/usr/php/php.d/disabled_function.ini

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php80/usr/php/php.d/disabled_function.ini

PHP_FPM Selector :
** Don’t forget to restart php-fpm after changes

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm53/usr/php/php.d/disabled_function.ini && service php-fpm53 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm54/usr/php/php.d/disabled_function.ini && service php-fpm54 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm55/usr/php/php.d/disabled_function.ini && service php-fpm55 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm56/usr/php/php.d/disabled_function.ini && service php-fpm56 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm70/usr/php/php.d/disabled_function.ini && service php-fpm70 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm71/usr/php/php.d/disabled_function.ini && service php-fpm71 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm72/usr/php/php.d/disabled_function.ini && service php-fpm72 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm73/usr/php/php.d/disabled_function.ini && service php-fpm73 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm74/usr/php/php.d/disabled_function.ini && service php-fpm74 restart

echo "disable_functions = exec, system, popen, proc_open, shell_exec, passthru, show_source" > /opt/alt/php-fpm80/usr/php/php.d/disabled_function.ini && service php-fpm80 restart

How to enable back the dangerous php functions

To enable it back, simply delete disabled_function.ini file for the PHP version you want and restart apache/php-fpm.

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Linux edquota Command Examples to Edit User and Group File Quota

By default, edquota will open up the quota file in an Vi editor, from where you can change the values.

Edit User Quota

edquota -u username

This will edit the quota for user “username”.

Edit Group Quota

To edit group quota, use -g.

edquota -g groupname

This will edit the quota for group “groupname”