Add alternative keyservers due to #13555 (#1048)

2017-01-13 10:57:47 +08:00 · 2017-01-13 10:57:47 +08:00 · 9afc52cfda
parent 4e007daa92
commit 9afc52cfda
1 changed files with 3 additions and 0 deletions
--- a/engine/installation/linux/ubuntulinux.md
+++ b/engine/installation/linux/ubuntulinux.md
@ -65,6 +65,9 @@ To set `APT` to use packages from the Docker repository:
                   --keyserver hkp://ha.pool.sks-keyservers.net:80 \
                   --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
    ```
+    
+    If the above keyserver is not available, try `hkp://pgp.mit.edu:80` or 
+    `hkp://keyserver.ubuntu.com:80`.

 5.  Find the entry in the table below which corresponds to your Ubuntu version.
    This determines where APT will search for Docker packages. When possible,