fix help message

weed/shell/command_remote_cache.go

@@ -26,7 +26,7 @@ func (c *commandRemoteCache) Help() string {
 	return `cache the file content for mounted directories or files
 
 	# assume a remote storage is configured to name "cloud1"
-	remote.configure -name=cloud1 -type=s3 -access_key=xxx -secret_key=yyy
+	remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
 	# mount and pull one bucket
 	remote.mount -dir=/xxx -remote=cloud1/bucket
 

weed/shell/command_remote_meta_sync.go

@@ -27,7 +27,7 @@ func (c *commandRemoteMetaSync) Help() string {
 	return `synchronize the local file meta data with the remote file metadata
 
 	# assume a remote storage is configured to name "cloud1"
-	remote.configure -name=cloud1 -type=s3 -access_key=xxx -secret_key=yyy
+	remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
 	# mount and pull one bucket
 	remote.mount -dir=/xxx -remote=cloud1/bucket
 

weed/shell/command_remote_mount.go

@@ -32,7 +32,7 @@ func (c *commandRemoteMount) Help() string {
 	return `mount remote storage and pull its metadata
 
 	# assume a remote storage is configured to name "cloud1"
-	remote.configure -name=cloud1 -type=s3 -access_key=xxx -secret_key=yyy
+	remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
 
 	# mount and pull one bucket
 	remote.mount -dir=/xxx -remote=cloud1/bucket

weed/shell/command_remote_mount_buckets.go

@@ -27,7 +27,7 @@ func (c *commandRemoteMountBuckets) Help() string {
 	return `mount all buckets in remote storage and pull its metadata
 
 	# assume a remote storage is configured to name "cloud1"
-	remote.configure -name=cloud1 -type=s3 -access_key=xxx -secret_key=yyy
+	remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
 
 	# mount all buckets
 	remote.mount.buckets -remote=cloud1

weed/shell/command_remote_unmount.go

@@ -27,7 +27,7 @@ func (c *commandRemoteUnmount) Help() string {
 	return `unmount remote storage
 
 	# assume a remote storage is configured to name "s3_1"
-	remote.configure -name=s3_1 -type=s3 -access_key=xxx -secret_key=yyy
+	remote.configure -name=s3_1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
 	# mount and pull one bucket
 	remote.mount -dir=/xxx -remote=s3_1/bucket