My big connectivity problem was whilst crossing the Pacific and Atlantic (on a cargo freighter). There is no internet at sea. Actually that's not strictly true: the captain had satellite email, so essential emails could be sent, but I couldn't check my own mail or get web access. An Iridium phone would have worked, but for me it wasn't worth the cost and hassle. Being offline altogether for three weeks was strange – probably the longest time I've spent without net access in the last 13 years.
Writing itself is really the easy part. Having said that, writing about servers when everything you have an account on is the wrong side of the world can be an interesting (and slooooow) experience. Using the eeepc – the only Linux box I had locally – as server was even more interesting. But the freedom of being able to do my job from anywhere I wanted to go (beaches and cafes all around the world!) was fantastic. I became sufficiently good at writing whilst on trains that I now use that as an excuse to head off and visit people ("I can work on the train!"). Net access is of course spotty on trains, but this can be an active advantage as it provides fewer distractions.
I also had life-details to deal with, in particular money. Online banking is great; although less so when my bank introduced those card-reading machines a month before I got back. Cash is easy to get hold of abroad these days: I never had a problem finding an ATM. Having a local bank account when you're in a country for a while is useful, but shutting it down again if you fail to do so before you leave can be an enormous nuisance. (Although in the end ANZ, my Australian bank, were very helpful.) I did return to a truly gigantic pile of mail on my desk (helpfully opened for me by my partner). If you don't have a Helpful Partner, other options for mail are redirects (though I wouldn't want to trust that internationally), PO boxes (less useful if you're actively on the move), and Poste Restante. Sadly, Poste Restante seems to be much less reliable now than it was the last time I used it, in India six years ago.
Article courtesy of Linux Planet.