Facebook has for some time now been attempting to monetize posts from "Pages" and generally prevents too much Page content appearing in users’ feeds, unless the Page is prepared to pay to boost their posts. In yet another news feed algorithm change, they’ve made it even harder for Pages to reach their users.
Rsync is a useful command line utility for synchronising files and directories across two different file systems. I recently needed to use rsync to only copy over files that did not already exist at the other end, so this post documents how to do this.
When redirecting all requests from one domain name to another one when the URL structure has changed, you’ll ideally want to craft redirects from the old scheme to the new one. Sometimes this is too complex or messy, and it’s easiest to just redirect everything to the new domain’s homepage. If they have query strings at the end of the URL then Apache’s RedirectMatch and RewriteRule with automatically include the query string in the redirect location. This post shows how to solve this.
This post looks at the error message "mysql-server : Depends: mysql-server-5.1 but it is not going to be installed" when attempting to install MySQL on a fresh install of Debian 6, when Debian 7 is the current up to date distro.
DNS lookups are cached so that subsequent lookups for the same host don’t require querying an external DNS server again until the TTL expires. Sometimes you need to clear the cache, for example if you’ve changed a DNS record, and this post shows how to do it on Mac OSX.
I help to manage some virtual servers running on a XenServer host and there’s a management tool call XenCenter. I needed to install XenCenter again but couldn’t manage to find the installer on the Citrix website. This post shows the issue I had and where you can download it from.