Fixing phpmyadmin login on MySQL 5.7 and Debian 9 Rumi, May 4, 2018 Once setting up the LAMP stack, you must be wondering to see that you no longer been able to login phpmyadmin using root credentials. MySQL 5.7 changed the secure model: now MySQL root login requires a sudo (while the password still can be blank). I.e., phpMyAdmin will be not able… Continue Reading
How to disable Network Manager on Linux Rumi, May 4, 2018March 8, 2019 First Check if NetworkManager is running on Ubuntu / Debian Usually you should be using NetworkManager by default (Ubuntu 14.04), just in case you want to be sure, use this command to verify: dpkg –get-selections | grep network-manager In case there is some output like: network-manager install it is installed,… Continue Reading
Zimbra Exporting all mail addresses Rumi, April 26, 2018April 26, 2018 Exporting all addresses (mailboxes, aliases and distribution lists) is a vital tool if you have a backup MX and only want it to accept email for valid recipients. One reason for that is to stop spammers who simply use a dictionary of common names to generate recipient email addresses which… Continue Reading
Error 2020: Got packet bigger than ‘max_allowed_packet’ bytes when dumping table `migrations` at row: 1 Rumi, April 26, 2018 You can add –max_allowed_packet=512M to your mysqldump command. Or add max_allowed_packet=512M to [mysqldump] section of your my.cnf Note: it will not work if it is not under the [mysqldump] section… Continue Reading
Nginx upstream timed out Rumi, April 22, 2018 There are two main directives responsible for Nginx upstream timed out (110: Connection timed out) error: proxy_read_timeout – Defines a timeout for reading a response from the proxied server. Default is 60 seconds. location ~ ^/slow-proxy { proxy_read_timeout 180; # <— proxy_pass …; } * you can use proxy_read_timeout inside… Continue Reading
Install Redis Server and PHP-Redis on Debian or Ubuntu System Rumi, April 20, 2018 you can install the phpredis extension from the Ubuntu respositories. First, if you don’t have it installed already, let’s install Redis: sudo apt-get install redis-server After we get Redis installed (and/or verified that it was installed), we can install the PHP module for Redis: sudo apt-get install php5-redis After the module is… Continue Reading
Set Up Nginx Load Balancing with SSL Termination Rumi, March 23, 2018 Nginx can be configured as a load balancer to distribute incoming traffic around several backend servers. SSL termination is the process that occurs on the load balancer which handles the SSL encryption/decryption so that traffic between the load balancer and backend servers is in HTTP. The backends must be secured… Continue Reading
Install iRedmail on a CentOS 6.8 server Rumi, March 17, 2018June 10, 2018 We need to set a FQDN hostname before we set up the mail server. On CentOS Linux, hostname is set in two files: Hostname setting: nano /etc/sysconfig/network # Part of file: /etc/sysconfig/network HOSTNAME=demo.iredmail.org Hostname <=> IP address mapping: /etc/hosts. WARNING: Please list the FQDN hostname as the first item. # Part of… Continue Reading
Install Mailtrain Bulk Mailer Application on CentOS 7 Rumi, March 17, 2018March 17, 2018 Requirements Metabase requires at least 1GB of RAM. All the required dependencies will be installed throughout the tutorial. You will need a minimal installation of CentOS 7 with root access on it. If you are logged in as a non-root user, you can run sudo -i to switch to root… Continue Reading
Install Mailtrain Mail Marketer Software on Ubuntu 16.04 – Auto Installation Rumi, March 17, 2018March 17, 2018 Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). Mailtrain supports subscriber list management, list segmentation, custom fields, email templates, large CSV list import files, etc. Requirements Nodejs v5+ MySQL v5.5 or MariaDB Redis (optional, disabled by default, used only for session storage) Automatic… Continue Reading