Linux

Problem

Recently, when I re-configure my work environment, I install the Nvidia GPU driver. But after installation and reboot, I cannot use nvidia-smi command to get the GPU information. The only one message is:

I wonder if you often adjust your terminal to make it looks more beautiful?

Today I encountered a problem about the GitLab cannot startup. It freeze at the sudo systemctl start gitlab-runsvdir.service command.

Recently, I configured my own SSH key on another server. The purpose is to hope that the code written with others on the other server can be pushed to GitHub for version control through git commands.

Recently, I reinstalled an Ubuntu 18.04 OS desktop. But after installation, I found that I could not connect to the Internet after entering the desktop environment.

In Linux system, every file has their owner, group and read/write permissions. And these permissions will affect whether other users can edit or read these files.

We always have some needs to transfer data between different devices, for example, may be I need to transfer a file from server A to B.

Problem

After using cp or rsync commands to copy the files, in order to make sure that there is no problem during the copying process, we may use the du command to check the size of the file.

Almost all of user who used Debian/Ubuntu OS use apt or apt-get tool to control their own packages. Many users even misunderstand that they are the same thing.