Is Apache is experiencing a DDoS attack?
Posted by Cătălin on Fri, 10 Mar 2023How can I tell if Apache is experiencing a DDoS (Distributed Denial-of-Service) attack?
If Apache is experiencing a DDoS attack, you may notice that your server's Web sites are timing out when loading. You may also observe errors like these in the Apache error log: [Wed Aug 05 21:33:21.543968...
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MaxRequestWorkers for Apache
Posted by Cătălin on Fri, 10 Mar 2023Tune Apache's MaxRequestWorkers setting to mitigate the risk of resource usage problems
It is essential to tune Apache's MaxRequestWorkers setting to mitigate the risk of resource usage problems that could lead to a crash and to ensure that your server can use the resources available to it...
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PHP-FPM Limit Tuning Basics for Max Children
Posted by Cătălin on Fri, 10 Mar 2023This resource provides information about tuning the Max Children limit for PHP FPM.
Checking the PHP-FPM Logs for Max Children Limit Hits Access your server as the root user via Terminal or SSH Run the following command to find the FPM logs: find /opt/cpanel/ea-php*/root/usr/var/log/php-fpm/...
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CSF SSH Command Line Commands
Posted by Cătălin on Fri, 3 Jan 2020ConfigServer Firewall (CSF) SSH command line commands in a "cheat sheet" format.
Command Description Example csf -e Enable CSF ...
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Renew Let's Encrypt certificate
Posted by Cătălin on Wed, 27 Nov 2019Let's encrypt error certificate install error - “Client with the currently selected authenticator does not support any combination of challenges”
certbot --authenticator standalone --installer apache -d your-domain.com \ --pre-hook "systemctl stop apache2" \ --post-hook "systemctl start apache2"
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How to add $PATH variable value to Debian
Posted by Cătălin on Mon, 2 Sep 2019How to place composer's system-wide vendor bin directory in your $PATH, so the laravel executable can be located by your system.
To set the $PATH permanently, set the path in your startup file. This directory exists in different locations based on your operating system; however, here is how you can do it in Debian. Edit the...
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