Scalability Blog

Scaling tips, insights, updates, culture, and more from our Server Experts.

Automatic WordPress Updates Using FTP/FTPS or SSH

When working with WordPress in a more secure environment where websites are not entirely world-writable, you will notice upgrades request FTP or FTPS credentials as the server itself does not typically have write access in properly-configured environments. Entering these credentials for every upgrade can become quite tedious, and WordPress has implemented some constants you can define within wp-config.php to make upgrades automatic.
It should be noted here that you can also make upgrades …

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Debugging NFS File Access on Server and Client Side

In an environment where a lot of servers share same NFS mount, keeping track of which server created or deleted a file is important.  By default, NFS client configuration does not have an option for access logging in Linux distributions.  To mitigate this situation, you can use a utility called rpcdebug.
To see a list of all supported modules and flags:
# rpcdebug -vusage: rpcdebug [-v] [-h] [-m module] [-s flags…|-c flags…]
set or cancel …

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The Joy of ex

Fellow nerds!  If there’s anything that has a tendency to work up linux guys, it’s text editors.  And in general, people tend to traditionally gravitate towards two camps: camp emacs or camp vi.   While other newer software exists, such as nano, pico, or joe – it’s important to be comfortable using vi and emacs.  vi will be available pretty much everywhere you need it, and emacs, when installed, is intensely featureful.   Besides, …

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