doc/cephadm: use 'apt' to install cephadm on Ubuntu

Adjusted so Ubuntu command uses 'apt' and added Fedora since that uses 'dnf'.

(cherry picked from commit ffc08b930b32fa34e4d22164feda04719a34dd6b)

diff --git a/doc/cephadm/install.rst b/doc/cephadm/install.rst
index e468b9acac5a1afff55abad818941e6e33b02302..4bea6a588784826bdf76dcd592484c92431f4ca8 100644 (file)
--- a/doc/cephadm/install.rst
+++ b/doc/cephadm/install.rst
@@ -95,7 +95,13 @@ that case, you can install cephadm directly. For example:
 
   .. prompt:: bash #
 
-     dnf install -y cephadm   
+     apt install -y cephadm
+
+  In Fedora:
+
+  .. prompt:: bash #
+
+     dnf -y install cephadm
 
   In SUSE: