Commands, Errors, Magento2, Magento2 Commands

Magento 2.4.0 – Getting Error Could not validate a connection to Elasticsearch. No alive nodes found in your cluster

Magento Open Source 2.4.0 support for PHP 7.4, Elasticsearch 7.6.x, and MySQL 8.0. So It’s essential to install Elasticsearch. You must install Elasticsearch before installing Magento Commerce or Magento Open Source 2.4.0. See Elasticsearch for details. Run the below command to Install Elasticsearch In locally. Download and install the public signing key : wget -qO – | sudo apt-key…

Continue Reading


When Composer Cannot Allocate Memory

Error : nmap() failed can no allocate memory. When Composer Cannot Allocate Memory Sollution 1 : Increasing the limit in your php.ini file (ex. /etc/php/7.2/apache2/php.ini) Sollution 2 : Now if you still run out of memory you can enable swap. sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024 sudo /sbin/mkswap /var/swap.1 sudo /sbin/swapon /var/swap.1 The first command may take a few seconds…

Continue Reading