On 24/03/17 21:19, Andrew Martin wrote: > Hello, > > I recently saw this blog post regarding performance when the TZ environment > variable is not set: > https://blog.packagecloud.io/eng/2017/02/21/set-environment-variable-save-thousands-of-system-calls/ >
There's also a good deal of discussion on the HN thread: https://news.ycombinator.com/item?id=13697555 > I tried defining TZ in /etc/environment and in /etc/profile.d/test.sh, but I > cannot get this environment variable to be available in all cases (e.g. if I > just execute bash without --login or if I run the sample c program provided in > the above article). How can I make the TZ environment variable defined > completely system-wide? Before you go too far with that, is there a specific reason you want to do this? For example, there's not generally a lot of advantage unless you have a process that does a lot of timezone-based processing. However, all you should need in /etc/environment is: TZ=:/etc/localtime or an equivalent TZ value, e.g.: TZ=:Europe/London J
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