[Solved][Linux] welcome to emergency mode! after logging in type “journalctl -xb” to view system logs “systemctl reboot” to reboot “systemctl default” to try again to boot into default mode. give root password for maintenance

Today, the area where the server is located suddenly went out of power. After the power supply was normal, I quickly restarted the server that was stopped urgently (without UPS installed...). Basically all the devices are fine, only one host fails to start, and the following error occurs all the time.

As you know, There are many data and files on Baidu Cloud Drive（百度雲盤）. For the research field of NLP, there are many valuable data among them.

Today when I execute Steam in the Linux operating system, I got the following error:

X Error of failed request: GLXBadContext Major opcode of failed request: 155 (GLX) Minor opcode of failed request: 183 (X_GLXIsDirect) Serial number of failed request: 181 Current serial number in output stream: 31

In Linux, we can call the computer to complete the functions we want to complete, whether it is automatic sorting of letters, automatic file sorting, performance testing, repeated execution of a certain task.

If we want to print out text in Linux system, we can use vi/vim to edit the text file.

But today if we just only want to check the file content, and don't need to change any content, we can use other commands to print out the file content.