Month: August 2014

Bad Bot Blocker

16 August 2014

Bad Bot Blocker 223 Apache htaccess rules to block bad bots. Bad bots are defined as: E-mail harvesters Content scrapers Spam bots Vulnerability scanners Aggressive bots that provide little value Bots linked to viruses or malware Government surveillance bots Russian search engine Yandex Chinese search engine Baidu Yandex/Baidu Unless your website is written in Russian […]

Flashcache on Proxmox

8 August 2014

Flashcache is a kernel module released by Facebook engineer back in April 2010 to speed up database I/O on a standard rotational drive with the speed of SSD. Since it works by caching filesystem blocks, so it can speed anything on the slow rotational disk. We’ve already use RAID10 with SAS disk on all of our […]

Proxmox building ceph and ceph module

8 August 2014

Introduction Ceph is a distributed object store and file system designed to provide excellent performance, reliability and scalability – See more at: Ceph’s RADOS Block Device to be used for VM disks. The Ceph storage services are usually hosted on external, dedicated storage nodes. Such storage clusters can sum up to several hundreds of nodes, […]