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[tlug] A tale of two computers
- Date: Fri, 06 Oct 2017 17:13:53 -0400
- From: Stuart Luppescu <email@example.com>
- Subject: [tlug] A tale of two computers
Hi TLUGers, I have two computers next to each other on my desk, a work computer and a personal computer. The work computer is a Dell Latitude E7440, and the personal computer is an Intel NUC. They both have similar hardware: both have i7 CPUs, 16GB RAM, SSD. The NUC has an Intel 7265 wifi chip, and the Dell has a 7260. The NUC has an IRIS Graphics 6100 video controller; the Dell has a Haswell-ULT Integrated Graphics Controller. Both use the i915 kernel driver. Both run Gentoo and Windowmaker. I maintain both systems so I've set them up as close to the same as I can. But there are four differences that I can't figure out. 1) When I log in, the ssh agent passphrase popup comes up, asks for the passphrase for ~/.ssh/id_dsa (??) and I fill it in. In .xsession on both computers I have these lines: eval `/usr/bin/dbus-launch --sh-syntax --exit-with-session` eval `ssh-agent -s` ssh-add And in both computers /etc/ssh/ssh_config has IdentityFile ~/.ssh/id_rsa2 On the work computer the ssh-agent works as it should. But on my personal computer when I try to ssh to a remote machine it prompts me for the passphrase for ~/.ssh/id_rsa2, and then it connects. The other computer connects without prompting for the passphrase. ????? 2) On the NUC, the video in Chrome has this weird skew. Every few lines look like they're slid to the right a few millimeters. It goes away if you move the cursor over the part with the skew or click near it. It's only in Chrome. The Dell is normal. ????? 3) I use ibus and anthy to switch language input. It works fine on the Dell, but on the NUC, I can't input Japanese in Chrome, but it works fine in other programs. ?????? 4) On the NUC, I use NetworkManager to control the network interfaces. On the Dell, about a year ago I started getting a message when I tried to select wifi "Device not available". After trying all kinds of things, I went back to the Sys V network init scripts and wpa_supplicant. This works, but it's rather less convenient. ??????? Any advice on any of these will be appreciated. -- Stuart Luppescu Chief Psychometrician (ret.) UChicago Consortium on School Research http://consortium.uchicago.edu firstname.lastname@example.org
- Re: [tlug] A tale of two computers
- From: Curt Sampson
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