Category: About computer

Some of my experiences I got playing with Jetson Xavier. I got lots of trouble to start with trying to flash Jetson. It ended up that I simply needed to remove the tlp package at the host. The log from sdkmanager is simply not very helpful. Otherwise, it should have saved me lots of time…

Try to avoid overheating with this. Haven’t tested enough to see if it is really working well.

My X1 Yoga gen 3rd died after I used in outside freezing. The battery died completely and it crashed the hard disk as well. After I replaced both, touch screen does not work but stylus is half functioning. It doesn’t work near the bottom edge. I originally suspect the battery. But I used the UEFI…

I use dropbox to manage my website. It is not really very secure. But it is at least very convenient. I use one dummy dropbox account contain just my website folder shared from my main dropbox account. Then I just login dropbox with my dummy account for my web server.   It has been working…

Unity doesn’t have an natural scrolling option on 18.04. One can enable that with libinput   To enable Natural Scrolling in libinput add Option “NaturalScrolling” “true” to /usr/share/X11/xorg.conf.d/40-libinput.conf. It should be added before EndSection to the touchpad section. Unity desktop GUI app can’t use libinput options. You can switch to synaptics by sudo apt remove xserver-xorg-input-libinput sudo apt install xserver-xorg-input-all  …

This seems to fix my slow wifi on 20.04 Get the network name lshw -C Network Turn off power management sudo iwconfig wlp2s0 power off Check iwconfig    

As title, the connection is okay after reboot but suddenly no internet connection but still has a wifi connection. This happens often after some wifi signal hiccup. It turns out that it seems to be ipv6 problems. After setting ipv6 to “ignore” and disable and enable connection, the internet is back nicely.