![]() There’s no way for me to effectively control all the various daemons or lock down the network (Little Snitch tracks and shows me everything, but inexplicably gives me no way to go into a lockdown mode). I’m running Ubuntu 15.04 on my X250 at the moment. iptraf and iftop work well for tracking connections, and nethogs lets you see connections on a per-process basis. OOTB, things were decent – I wrote a script to stop unattended-upgrades and dropbox to avoid any surprises, however a few surprises: avahi-daemon doesn’t seem to stop chattering even when turned off. It’s purely local, but it was running up charges so I ended up uninstalling it for now. The other thing that was (not surprising) was that both Chromium/Chrome and Firefox chew through networking with their auto-updates. I could probably disable the updates (there may be other extensions as well though) and various syncing things, but instead I’m using uzbl at the moment (surf and vimprobable are other options) for lightweight browsing. I’m also using elinks (links/lynx as backups), which is much more efficient, of course. On my yak-shaving list: finding a terminal-based webkit browser, setting up a travel Firefox profile w/ uBlock, Noscript, images and all updates disabled for travel mode.īesides the browser hijinks, my current setup is incredibly well behaved – a few bytes for occasional ntp updates that I haven’t been able to track down (it’s not in my init.d…), but I can live with that. It also helps keep those apps at bay when you’re on a slow connection. TripMode lets you select which apps get to access the network and which don’t, and tracks usage. With TripMode installed, no app or background process can communicate with the Internet unless you flip a switch next to the app’s name. In this new version, you can create profiles, either automatically when you switch among Wi-Fi, Ethernet, and tethered connections, or manually, for particular purposes, like “at a coffeeshop” or “on cellular.” There’s also a master on/off switch in its menu, and TripMode remembers by network or connection type (like USB for tethering) if you turned it off entirely the last time that connection was used. The dropdown system menubar item for the app shows data usage in real time for apps allowed to connect, as well as letting you sort the order in which apps appear. In this new version, you can sort in reverse order by most data used, alphabetically by name, using recency of activity, or a combination.
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