diff -ru shadowsocks-libev-orig/debian/shadowsocks-libev.default shadowsocks-libev/debian/shadowsocks-libev.default
--- shadowsocks-libev-orig/debian/shadowsocks-libev.default	2017-06-02 08:45:07.000000000 +0800
+++ shadowsocks-libev/debian/shadowsocks-libev.default	2017-06-28 16:39:37.236474413 +0800
@@ -19,7 +19,7 @@
 
 # User and group to run the server as
 USER=nobody
-GROUP=nogroup
+GROUP=nobody
 
 # Number of maximum file descriptors
 MAXFD=32768
diff -ru shadowsocks-libev-orig/debian/shadowsocks-libev.service shadowsocks-libev/debian/shadowsocks-libev.service
--- shadowsocks-libev-orig/debian/shadowsocks-libev.service	2017-06-02 08:45:07.000000000 +0800
+++ shadowsocks-libev/debian/shadowsocks-libev.service	2017-06-28 17:23:55.131822730 +0800
@@ -6,7 +6,7 @@
 #  (at your option) any later version.
 #
 #  This file is default for Debian packaging. See also
-#  /etc/default/shadowsocks-libev for environment variables.
+#  /etc/sysconfig/shadowsocks-libev for environment variables.
 
 [Unit]
 Description=Shadowsocks-libev Default Server Service
@@ -15,9 +15,9 @@
 
 [Service]
 Type=simple
-EnvironmentFile=/etc/default/shadowsocks-libev
+EnvironmentFile=/etc/sysconfig/shadowsocks-libev
 User=nobody
-Group=nogroup
+Group=nobody
 LimitNOFILE=32768
 ExecStart=/usr/bin/ss-server -c $CONFFILE $DAEMON_ARGS