How to check if a particular service is running on Ubuntu

How to check if a particular service is running on Ubuntu

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How can I check if PostgreSQL is installed or not via Linux script?

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Skipping acquire of configured file 'main/binary-i386/Packages'

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Postgresql -bash: psql: command not found

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PostgreSQL psql terminal command

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PostgreSQL CSV import from command line

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Assign AWK result to variable [duplicate]

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Stopping postgresql from starting on ubuntu startup

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"cannot write to log file pg_upgrade_internal.log" when upgrading from Postgresql 9.1 to 9.3

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Are there any good PostgreSQL clients for linux? [closed]

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Unable to start postgresql service on CentOS 7

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How to exit from query result viewer in psql?

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Postgres pg_dump dumps database in a different order every time

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