Not so long ago Ubuntu 22.04 was released. This is a long awaited LTS release with a long support period, so if you have been using an older version of 21.10 or even a past LTS release, it may be time to upgrade your system. If you want to upgrade from 21.04, you need to upgrade to 21.10 first.
All database files in MySQL DBMS are stored on the hard disk. The database files are stored in the /var/lib/mysql directory. But the path can be changed. In the instruction, we will tell you how to see where the database files are stored in MySQL DBMS in Ubuntu 20.04 operating system.
On a Linux system, the file properties of a file in the file manager show only information about the date of the last access to the file and the date of modification. But the creation date is not shown there. Sometimes you need to look at it, for example, to find out when the log is being recorded.
To manage processors in Linux, there are initialization systems like systemd. If you need a simpler solution, a program that can manage the processes of your application, either in the system or in a Docker container. Such a program exists - it is supervisor. It is a functionally simple open source process manager written in Python
Docker is a popular containerization program. Containers are a standard unit of software that packages code and all its dependencies so that an application can be run quickly and reliably on different operating systems and computing environments.
CodeBlocks is a cross-platform development environment written in C++ programming language and using wxWidgets library. It has an open architecture, thanks to which it can be scaled by plugins.
A link in Linux is a special file that refers to another file or directory. In this way, one file can be placed in several places at once. When the original file is deleted, the link to it is retained. As a result, crashes can occur and the system as a whole can become clogged.
You can view the space occupied by a specific folder on your Linux disk using the file manager. You need to open the file properties. But there the information is not displayed in full, and often you need details.
In addition to data manipulation in DBMS MySQL there is a possibility to work with tables. In particular, working in the MySQL console you can view the tables that are in the database at any time. Further we will tell you how to view the list of available MySQL tables in Ubuntu 20.04.
Sometimes when working with the Linux terminal you need to know the time of execution of certain commands, for example, to keep track of problems. There is a utility called time for this purpose. We will tell you how the Linux time command works and what its syntax is. Then we will move on to the description of the available options. And at the end we will mention some popular usage scenarios.