Development, Analysis And Research
by Andrew Johnstone
Archive for June, 2009
Migrating Websites & Services Checklist
In: General
22 Jun 2009I have been migrating a large number of websites and consolidating servers to reduce costs. As a result it is important to ensure that services are migrated smoothly, planned effectively, after which I had a think about aspects to consider prior to migrating services. Planning Make a preliminary checklist of services actively in use by [...]
Load balancing with ucarp & haproxy
In: Linux
14 Jun 2009Recently we had an issue with one of our hosting providers load balancing (LVS), which resulted in some very small outages. As a result we decided to setup our own load balancing that we had full control over, and could manage ourselves. In addition to choosing a better suited weighting algorithm. Each webserver is setup [...]
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Andrew Johnstone is a software engineer / lead developer working at Everlution Software.
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- apt-get unattended / non-interactive installation | Development, Analysis And Research: [...] previously wrote about “Installing Java & MySQL – unattended/non-interactive insta [...]
- franck: http://en.wikipedia.org/wiki/FreeBSD_jail [...]
- franck: That web server should not live in such close proximity to that SMTP server... chroot/jail may be th [...]
- Vagrant – Automating PHP Installation with bash/slack for continuous deployment | Development, Analysis And Research: [...] More examples of installing MySQL unattended can be found at Installing Java & MySQL – u [...]
- Can the NIC ucarp uses be bridged? - Admins Goodies: [...] http://ajohnstone.com/achives/running-several-vips-on-the-same-interface-with-ucarp-and-haprox [...]
- apt-get unattended / non-interactive installation
- PHP apache_note, Graphite & Logster for logging
- Vagrant – Automating PHP/MySQL Installation with bash/slack for continuous deployment
- PHP5.3 autoload/class_exists fail
- Selenium
- Installing Java & MySQL – unattended/non-interactive installation
- Memcached multigets – ubuntu vs debian
- Optimizing and testing MySQL over NFS with NetAPP
- MySQL oddity with disappearing body of stored procedures
- MySQL to Oracle synchronization using PHP over VPNC