Linux
Aprenda Linux a partir do shell. Arquivos, processos, redes, systemd, scripts e execucao de servicos reais.
17 lições, em ordem
- 120 min
O Shell e os Primeiros Comandos
TerminalShellPromptFirst commandsMan pages - 225 min
Sistema de Arquivos e Navegação
Filesystem treeLsCdHidden filesAbsolute vs relative paths - 330 min
Arquivos e Permissoes
TouchCatCpMvRmMkdir+4 - 430 min
Ferramentas de texto: grep, sed, awk
GrepSedAwkHeadTailWc+2 - 525 min
Pipes e Redirecionamento
PipesStdoutStderrStdinRedirectionTee - 630 min
Processos e Sinais
PsTopHtopKillSignalsForeground+3 - 725 min
Usuários e Grupos
WhoamiIdSudo/etc/passwdUseraddAdduser+2 - 825 min
Gerenciamento de Pacotes
AptDpkgApt searchApt showDnfPacman - 930 min
Fundamentos de Redes
Ip aIp routePortsSsCurlWget+4 - 1035 min
Shell Scripting
ShebangVariablesIfForWhileCommand substitution+2 - 1135 min
Serviços systemd
SystemctlUnit filesEnableStartStopStatus+1 - 1230 min
SSH e Acesso Remoto
SshSsh-keygenAuthorized_keysSsh-copy-idScpSsh config - 1325 min
Logs e Diários
/var/logSyslogJournaldJournalctlLog rotation - 1430 min
Discos e Armazenamento
DfDuLsblkPartitionsFilesystemsMount+2 - 1525 min
Cron e Tarefas Agendadas
CrontabCron fields@daily@reboot/etc/cron.dailySystemd timers - 1630 min
Desempenho e Monitoramento
UptimeLoad averageFreeVmstatIostatHtop+1 - 1760 min
Projeto Final: Configuracao do Servidor
Sudo userSsh keysNginxSystemd timerBackupsJournalctl
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Roles that use Linux
See how hiring teams interview engineers on Linux, in production-like environments.
DevOps Engineer
Hire DevOps engineers who actually ship. Run live or take-home interviews in production-like Linux environments with Docker, Kubernetes, Terraform and CI/CD. See how they debug, automate, and work alongside AI.
See the interviewSite Reliability Engineer (SRE)
Hire SREs who actually run production. Live workspaces with metrics, logs, traces and a service that is starting to misbehave. We record every keystroke.
See the interviewInfrastructure Engineer
Hire infrastructure engineers who design systems your team can rely on. Interview them in real workspaces with Terraform, Ansible, cloud APIs and live failure scenarios.
See the interview