Linux system 初步

快捷键：

open a new terminal: ctrl+alt+T;

close current terminal: ctrl+shift+W;

switch windows: alt+tab

switch workspace: ctrl+alt+arrow key;

install deb package: sudo dpkg -i package.deb; dpkg 是Debian package

install rpm package: sudo alien -i package.rpm

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install indicator stickynotes: here

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pip install psycopg2 error:

Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.

solution: here

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tar 命令：

https://www.cnblogs.com/peida/archive/2012/11/30/2795656.html

输入法设置：

https://zhuanlan.zhihu.com/p/58837239

扩展屏设置：

menu --- setting --- display.

终端快捷键：

https://www.cnblogs.com/cobbliu/p/3629772.html

python安装：

https://linux.cn/article-8080-1.html

pycharm 快捷键设置：

https://blog.csdn.net/liangkaiping0525/article/details/80294576

https://blog.csdn.net/qq_24805141/article/details/72803293

dockers安装：

offical installation web; Chinese version;

when run: docker run hello-world; it raises error: solution

Got permission denied while trying to connect to the Docker daemon socket

the solution is to add the current user to docker group; use the following command:

sudo gpasswd -a ${USER} docker
Adding user wenjing to group docker

or login in on the system as root, then run: docker-compose up -d; Reboot if the issue still persists.