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Post-It: enable mobile hotspot on Mobile Vikings (BE) 2017-07-25

Posted by claudio in Uncategorized.
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Yesterday, it was the second time I wondered why the hotspot of my MotoG5 phone wasn’t working with my tablet (after an OS update on the phone and the tablet).

The tablet connected fine to the phone hotspot through wifi, but the traffic was not routed to the Internet. I forgot about the first time I debugged the problem, so a little post-it not to forget it again. The secret is to change the APN type to:

APN type: supl,default

As reference, the other settings for Mobile Vikings:

APN: web.be
Username: web
Password: web
MCC: 206
MNC: 20
Authentication Type: PAP

Post-it: how to revive X on Ubuntu after nvidia kills it 2017-04-12

Posted by claudio in Uncategorized.
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I am not a hug fan of the Linux Nvidia drivers*, but once in a while I try them to check the performance of the machine. More often than not, I end up in a console and no X/Wayland.

I have seen some Ubuntu users reinstalling their machine after this f* up, so here my notes to fix it (I always forget the initramfs step and end up wasting a lot of time):

$ sudo apt-get remove --purge nvidia-*
$ sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf_pre-nvidia
$ sudo update-initramfs -u
$ reboot

*: I am not a fan of the Windows drivers either now that Nvidia decided to harvest emails and track you if you want updates.