Increase Web Client Performance with Memcache

Memcache is a protocol to access a simple key-value store, that is memory-backed, over a network socket. The memcached server does not perform any form of access control and is optimal for certain caches used in the Kolab web client (and associated HTTP-based access interfaces), by avoiding superfluous login, access control, and other such software policy considerations, as well as disk I/O.

This article outlines the installation and configuration of a single memcached server for use with the Roundcube web client for Kolab.

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Installation Instructions for Kolab 16 on RHEL 7 on Power 8 with Advance Toolchain

This article outlines the installation procedure for Kolab 16 on Red Hat Enterprise Linux 7 for Power 8 architectures that have elected to use Advance Toolchain.

Please note subtly different instructions apply to different installations;

Installation Instructions for Kolab 16 on RHEL 7 on Power 8

This article outlines the installation procedure for Kolab 16 on Red Hat Enterprise Linux 7 for Power 8 architectures.

Please note subtly different instructions apply to different installations;

Redundant Firewalls with High-Availability & Load-Balancing

This article is a guide to setting up redundant firewalls using Red Hat Enterprise Linux 7, that services high-availability and load-balancing requirements for the firewalls themselves as well as the services in networks behind it.

The base architecture of the network consists of at least 1 subnet on the outside of the firewalls, facing the Internet, and multiple subnets on the inside. The internal networks are supposed to use private IP space. This article does not concern itself with additional DMZ considerations, nor specific Internet connectivity or customer edge router requirements, nor hypervisor network configuration and provisioning techniques.

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Installation Instructions for Kolab 16 on RHEL 7

This article outlines the installation procedure for Kolab 16 on RHEL 7 for x86_64 architectures.

Please note subtly different instructions apply to different installations;

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