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All you need is to update binaries to new minor version and restart the Postgres service - not the server/host. <br />
<a href="https://www.postgresql.org/docs/9.3/static/upgrading.html" rel="ugc">https://www.postgresql.org/docs/9.3/static/upgrading.html</a><br />
&lt;&lt;Minor releases never change the internal storage format and are always compatible with earlier and later minor releases of the same major version number, e.g., 8.4.2 is compatible with 8.4, 8.4.1 and 8.4.6. To update between compatible versions, you simply replace the executables while the server is down and restart the server. The data directory remains unchanged — minor upgrades are that simple.&gt;&gt;
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All you need is to update binaries to new minor version and restart the Postgres service - not the server/host.
https://www.postgresql.org/docs/9.3/static/upgrading.html [https://www.postgresql.org/docs/9.3/static/upgrading.html]
<<Minor releases never change the internal storage format and are always compatible with earlier and later minor releases of the same major version number, e.g., 8.4.2 is compatible with 8.4, 8.4.1 and 8.4.6. To update between compatible versions, you simply replace the executables while the server is down and restart the server. The data directory remains unchanged — minor upgrades are that simple.>>

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I have ubuntu 16.04 server with postgres version 9.3.17 . how to update 9.3.17 to 9.3.24?<br />
i know it's old but for master/slave version i need to have a same version as master.
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I have ubuntu 16.04 server with postgres version 9.3.17 . how to update 9.3.17 to 9.3.24?
i know it's old but for master/slave version i need to have a same version as master.

postgres update.

PostgreSQL is an object-relational database management system with an emphasis on extensibility and standards-compliance. As a database server, its primary function is to store data securely, supporting best practices, and to allow for retrieval at the request of other software applications. PostgreSQL implements the majority of the SQL2011 standard, is ACID-compliant and transactional using multiversion concurrency control (MVCC), and handles complex SQL queries using many indexing methods that are not available in other databases. It is cross-platform and runs on many operating systems including Linux, FreeBSD, OS X, Solaris, and Microsoft Windows.

PostgreSQL

Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.