This guide shows you how to solve the error message "Connect to MySQL server 127.0.0.1: Too many connections". The error can appear in any log file of a service that connects to the MySQL server. This may e.g. be the /var/log/mail.log file if your email system uses a MySQL database. The error means that the ... Read more
This tutorial shows you how to solve the RoundCube webmail error message: config.inc.php was not found. on an ISPConfig Debian server that uses Nginx as the web server. Solution RoundCube webmail is accessed on an ISPConfig Nginx web server through the apps vhost. The PHP-FPM of the apps vhost is running under the user and group ... Read more
The following steps describe the procedure to reset the MySQL root password on Linux. The same procedure works for MariaDB too. 1) Stop the MySQL server service mysql stop 2) Start the MySQL server manually without permission tables which allows us to login as root user without password: mysqld_safe --skip-grant-tables & 3) Login into MySQL ... Read more
HTTP connections can be redirected to HTTPS using the apache mod_rewrite module. Mod_rewrite should be available in every apache installation. Apache HTTP to HTTPS Redirect Create a file with the name .htaccess in the website root directory which contains the following lines: RewriteEngine On RewriteCond %{HTTPS} off RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} If you use ISPConfig 3, ... Read more
This tutorial shows you how to use redirect rules in the Apache web server. If you want to redirect a subdomain like sub.domain.tld into a subdirectory of the website and keep the original URL in the browser location bar, you may use the following apache directive. RewriteEngine on RewriteCond %{HTTP_HOST} ^sub.domain.tld [NC] RewriteRule ^/(.*)$ /sub/$1 ... Read more
There is no simple 'tolower' command on the bash, but you can convert uppercase characters to lowercase with a little shell script. The script uses the tr command internally for converting the chars. Create a shell script with the name 'tolower' that converts all text that is given as a command-line argument to lower case: ... Read more
If you want to access a name-based website that you created e.g. in ISPConfig before the DNS records are set up, edit the hosts file on your workstation computer and add a line like this: 192.168.0.100 www.mydomain.com mydomain.com Edit hosts file on macOS X To edit the hosts file on a computer running macOS X, ... Read more
If you get an error like: Apr 15 12:41:03 webb4 postfix/sendmail[11234]: fatal: web1_user(12967): queue file write error in your mail log, then the value for message_size_limit in postfix main.cf is too low. Solve Postfix queue file write error Edit postfix main.cf: nano /etc/postfix/main.cf and set the message size limit to a higher value. E.g. message_size_limit ... Read more
If you experience problems with slow logins in pure-ftpd, this is often caused by a problem with the resolving of the client's hostname. This happens e.g. when you run an FTP server in your intranet and the hostname of the client computer does not exist in DNS. Disable PureFTPD name resolver To disable name resolving ... Read more
To turn on verbose logging (e.g. to debug FTP connection or authentication problems) in pure-ftpd FTP server on Debian and Ubuntu Linux. Enable debug log in pure-ftpd Execute the following command as root user in the shell to enable verbose logging: echo 'yes' > /etc/pure-ftpd/conf/VerboseLog and then restart pure-ftpd, for init based systems: service pure-ftpd-mysql ... Read more