From 791ca73dfbebefdb67a41db4e64f4e24e1f13abe Mon Sep 17 00:00:00 2001 From: Catherine Luse Date: Tue, 31 Dec 2019 14:04:53 -0700 Subject: [PATCH] Say that ntp is an important package to install --- content/rancher/v2.x/en/installation/requirements/_index.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/content/rancher/v2.x/en/installation/requirements/_index.md b/content/rancher/v2.x/en/installation/requirements/_index.md index 867c969151b..64c9043fca7 100644 --- a/content/rancher/v2.x/en/installation/requirements/_index.md +++ b/content/rancher/v2.x/en/installation/requirements/_index.md @@ -32,6 +32,8 @@ For details on which OS and Docker versions were tested with each Rancher versio All supported operating systems are 64-bit x86. +The `ntp` (Network Time Protocol) package should be installed. This prevents errors with certificate validation that can occur when the time is not synchronized between the client and server. + > **Note:** Some distributions of Linux derived from RHEL, including Oracle Linux, may have default firewall rules that block communication with Helm. This [how-to guide]({{}}/rancher/v2.x/en/installation/options/firewall) shows how to check the default firewall rules and how to open the ports with `firewalld` if necessary. If you plan to run Rancher on ARM64, see [Running on ARM64 (Experimental).]({{}}/rancher/v2.x/en/installation/options/arm64-platform/)