April 2025
Intermediate to advanced
248 pages
7h 6m
Portuguese (Portugal, Brazil)
Content preview from Administração prática de sistemas Linux
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Capítulo 9. Monitorizar o teu sistema
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A monitorização não é opcional. É essencial. Todos os administradores de sistemas devem monitorizar o desempenho, a saúde e a segurança dos seus sistemas com um olhar atento. É impossível monitorizar manualmente os seus sistemas e, ao mesmo tempo, executar outras tarefas administrativas, pelo que tem de confiar em software automatizado, configurações de sistema específicas e um sistema de relatórios para o atualizar sobre o estado de cada sistema.
Este capítulo explora as ferramentas de monitorização nativas e orienta-o na recolha de estatísticas de desempenho e estado dos seus sistemas.
Manter a vigilância sobre o desempenho e a capacidade da CPU, da memória e do disco
Os três principais pontos focais de monitorização nos sistemas Linux são o desempenho da CPU, da memória e do disco.
Nota
A capacidade da rede em redes locais (LANs) não é normalmente um grande problema, especialmente com velocidades de rede gigabit. Muitos centros de dados/salas de servidores utilizam ligações de 10 gigabits, pelo que as comunicações entre sistemas são praticamente instantâneas e as cópias de segurança, mesmo as enormes, não têm qualquer importância. Dito isto, verificar o desempenho da rede requer apenas alguns minutos do teu dia, por isso, porque não incluí-lo? Os dados existem e estão disponíveis gratuitamente para ti, por isso mostra-os, ...
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