[DOCS] http -> https, remove outdated plugin docs (#60380)

Plugin discovery documentation contained information about installing
Elasticsearch 2.0 and installing an oracle JDK, both of which is no
longer valid.

While noticing that the instructions used cleartext HTTP to install
packages, this commit replaces HTTPs links instead of HTTP where possible.

In addition a few community links have been removed, as they do not seem
to exist anymore.
This commit is contained in:
Alexander Reelsen 2020-07-31 21:58:38 +02:00 committed by GitHub
parent 947186719e
commit c7ac9e7073
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80 changed files with 188 additions and 242 deletions

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@ -53,7 +53,7 @@ Bad:
[[modules-scripting-other-layers]]
=== Other security layers
In addition to user privileges and script sandboxing Elasticsearch uses the
http://www.oracle.com/technetwork/java/seccodeguide-139067.html[Java Security Manager]
https://www.oracle.com/java/technologies/javase/seccodeguide.html[Java Security Manager]
and native security tools as additional layers of security.
As part of its startup sequence Elasticsearch enables the Java Security Manager