===== upgrade guide and patch guide =====

To minimize the negative impacts of cyber attacks and to keep your data safe and secure we recommend to keep your system as close to the available latest patch level as possible. Since niota is a web application that consists of several independent infrastructural components it is necessary to keep each of the components up to date.

[[niota-docs:niota_requirements|Here]] you have a list of valid combinations of the components.


Depending on the patch level of each component check following documents.

  * [[niota_install_apache | upgrade or patch Apache application server]]

  * [[niota_install_meta | upgrade or patch MySQL server]]

  * [[niota_install_php | upgrade or patch PHP]]

  * [[niota_install_app | upgrade or patch niota application ]]