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Notes on beagleboneblack
2022-07-06 20:07:00 【safirst】
1、USB surf the internet
Use local connection to BBB The Internet port of Internet share , A little certainty is blue , After ten times of blue screen, I plan to give up , During this period, I also want to reinstall the system . Later, I tried the cross network cable , It's a success , Therefore, we found the problem .
enjoy Internet The shared Internet port , When it is served IP Will be forced to become 192.168.137.1, and BBB You are not allowed to do such things at the Internet port of , Its default IP Must be 192.168.7.1. therefore , This change directly caused the driver to crash , Led to the blue screen .
therefore , It is feasible to add a new Internet port to do this . however , however , however , Someone should be able to use it directly BBB the USB Through the Internet port Internet Connect to the Internet , Because from various tutorials , It does seem feasible , It's just that I can't do it here .
2、 Timezone Clock
tzselect Just choose one command , The rest is adjusted to 24 The question of the hour system .
I saw it on the Internet and said it was /etc/default/locale Add in LC_TIME=en_DK.UTF-8, Of course it can be done ,
however en_DK Don't you feel uncomfortable . I tried Chinese zh_CN, It can also achieve the goal .
, After all AM and PM It's not Chinese , So I thought of this move , Directly modifying LC_TIME=zh_CN.UTF-8,
The actual measurement can , This makes me feel better .
in addition ,ntpdate Install without command ntpdate package .
3、root user shell No color
Copy users with colors .bashrc File can .
4、Linux Prompt when shutdown A stop job is running for .. Cause slow shutdown .
/etc/systemd/system.conf
DefaultTimeoutStartSec=10s
DefaultTimeoutStopSec=10s
systemctl daemon-reload
5、Linux Stress on zoning
HOWTO: Multi Disk System Tuning: Introduction
6、 Set the login root User desktop ( The graphical interface )
vim /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
Add on last line greeter-show-manual-login=true
modify root User profile vim /root/.profile
modify mesg n The act tty -s && mesg n || true
7、 Files take up space
du -h --max-depth=1
8、
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