Vulnerability scanner

MageStack has a built in vulnerability scanner, which performs a number of roles Detects common PHP exploits Detects Magento 3rd party module exploits Identifies potentially compromised files Identifies abnormal files Checks if all available Magento patches have been applied The … Continue reading

MySQL Disk Utilisation

The disk utilisation log can be found in the log directory, under the respective parent server name, and dated for each day: Eg. /microcloud/logs_ro/dh1/disk-mysql-2015-08-10.log.gz It provides a breakdown of total utilsation, followed by a list of usage per database, and … Continue reading

Healthy Disk Utilisation

Please ensure you pay attention to your disk utilisation, Over 50% utilisation risks performance degradation Over 80% utilisation risks downtime Over 90% utilisation risk data loss It is important to ensure you are not exceeding these thresholds for disk utilisation … Continue reading

Domains Disk Utilisation

The disk utilisation log can be found in the log directory, under the respective parent server name, and dated for each day: Eg. /microcloud/logs_ro/dh1/disk-domains-2015-08-10.log.gz It provides a breakdown of total utilsation, followed by a list of the largest files in … Continue reading

Firewall access rules

MageStack has an exhaustive 3-tier firewall policy that provides superb security and protection for your stack and store. However, in some cases, it may be necessary to bypass some of these security measures for trusted hosts. There are two ways … Continue reading

Setting correct MTU for OpenVPN

VPN connections can be sensitive to incorrect/low MTU set within your network, or on networks between you and your server. It is important that the correct MTU is set, to ensure fast and error-free VPN performance. Symptoms of incorrect MTU … Continue reading

Single versus redundant servers

When deploying a solution, there is always the option of choosing between a single "large" server, or two "smaller" servers. The single "large" server usually works out a little more expensive (because of the hardware density and technology) - but … Continue reading

HDD Sizing, disk space and partitioning

MageStack will partition disks with the following proportions. These partitions are of static proportion, regardless of disk size / 20G Root filesystem (for host OS and node OS) swap 3G Swap partition logs 1G Local log file storage config 0.5G … Continue reading

Hostnames and DNS

We have many universal DNS shortcut records set up for access, they are as follows: dh1 172.16.0.61 acc.magestack.com 172.16.0.71 munin.magestack.com 172.16.0.71 phpmyadmin.magestack.com 172.16.0.101 mmonit.magestack.com dh2 172.16.0.62 acc.2.magestack.com 172.16.0.72 munin.2.magestack.com 172.16.0.72 phpmyadmin.2.magestack.com 172.16.0.102 mmonit.2.magestack.com dh3 172.16.0.63 acc.3.magestack.com 172.16.0.73 munin.3.magestack.com 172.16.0.73 phpmyadmin.3.magestack.com … Continue reading