| A                                                | B                                                | C                                                |
|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|
| [Linux](docs/linux/common.md)                    | [Crontab](docs/progs/crontab.md)                 | [Kubernetes](docs/progs/kubernetes.md)           |
|                                                  | [MariaDB](docs/progs/mariadb.md)                 | [NMCli](docs/progs/nmcli.md)                     |
| [Math](docs/math.md)                             | [MC](docs/progs/mc.md)                           | [SSH](docs/progs/ssh.md)                         |
|                                                  | [Socat](docs/progs/socat.md)                     | [GIT](docs/progs/git.md)                         |
|                                                  |                                                  | [PHP](docs/progs/php.md)                         |
|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|