Technology Tips, and Anything Else
It’s important to know where mail goes for a domain, especially if you’re a system administrator looking after mail servers. There are a whole host of web sites you can use to find MX records now – MX Records are the DNS entry so servers know where to send e-mail, destined to that domain. The …
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There may be occasions where you want to take a full sized image of any web page – for historical reasons or just because you want to keep a snapshot of that page. You may have, up to now, taken a screenshot of the browser window, but most web pages are larger than the window, …
By default, Vim uses tabs instead of spaces when you press the tab button. There is an ongoing argument around the internet (which we won’t go into now, but may in the future!) on what you should use, but, either way, you may want/need to change your tabs to spaces. These are often called “soft …
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One thing I’ve noticed on Mac OS X 10.5 Leopard is that even though you select “United Kingdom” for the keypad, locales etc, the spell checking still stays in American English. This is quite annoying, and not an obvious thing to change.. but it can be done, so that British English is the default. In …
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We’ve all be there – you do a DNS lookup, and it’s still showing the wrong IP address, even though you know it’s since changed. Well, DNS works on caching entries – what this means is, your local machine caches a lookup (for the duration of the TTL set by the DNS server) and your …
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daz@scampi:~$ ruptime You may run multiple Linux servers, or BSD servers, or even AIX servers, and need to monitor uptime, load averages, and users logged in from one central point. @davetaylor on Twitter asked for the output of the ruptime command, which got me looking into the command in more detail – hence this post! …
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