diff -Naur hddtemp-0.3-beta14_orig/src/daemon.c hddtemp-0.3-beta14/src/daemon.c
--- hddtemp-0.3-beta14_orig/src/daemon.c	2005-06-04 04:22:35.000000000 +0200
+++ hddtemp-0.3-beta14/src/daemon.c	2005-11-16 14:37:50.000000000 +0100
@@ -39,6 +39,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/socket.h>
+#include <sys/un.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <signal.h>
@@ -62,6 +63,7 @@
   struct addrinfo*   all_ai;
   struct addrinfo    hints;
   struct addrinfo*   resp;
+  struct sockaddr_un addr;
   char               portbuf[10];
   int                on = 1;
   int                ret;
@@ -80,6 +82,10 @@
   /* Count max number of sockets we might open. */
   for (sks_serv_num = 0, resp = all_ai ; resp ; resp = resp->ai_next)
     sks_serv_num++;
+
+  /* extra num for unix socket */
+  sks_serv_num++;
+
   sks_serv = malloc(sizeof(int) * sks_serv_num);
   if (!sks_serv) {
     perror("malloc");
@@ -127,6 +133,30 @@
   }
     
   freeaddrinfo(all_ai);
+  
+  bzero((char*) &addr, sizeof(addr));
+  addr.sun_family = AF_UNIX;
+  strncpy(addr.sun_path, UNIX_ADDR, sizeof addr.sun_path - 1);
+  addr.sun_path[sizeof addr.sun_path - 1] = '\0';
+
+  (void) unlink(addr.sun_path);
+
+  if ((sks_serv[sks_serv_num] = socket(PF_UNIX, SOCK_STREAM, 0)) == -1 ||
+       bind(sks_serv[sks_serv_num], (struct sockaddr *) &addr,
+             sizeof(addr.sun_family) + strlen(addr.sun_path)) ||
+        listen(sks_serv[sks_serv_num],5))
+  {
+    perror("unix");
+    for (sks_serv_num-- ; sks_serv_num > 0 ; sks_serv_num--)
+      close(sks_serv[sks_serv_num]);	      
+    free(sks_serv);
+    exit(1);	      
+  }
+  else
+  {
+    chmod(addr.sun_path, 0666);  
+    sks_serv_num++;
+  }
 }
 
 void daemon_update(struct disk *ldisks, int nocache) {
@@ -151,6 +181,8 @@
   
   for (i = 0 ; i < sks_serv_num; i++)
     close(sks_serv[i]);
+
+  (void) unlink(UNIX_ADDR);
 }
 
 void daemon_send_msg(struct disk *ldisks, int cfd) {
@@ -401,4 +433,3 @@
   if (syslog_interval > 0)
     closelog();
 }
-
diff -Naur hddtemp-0.3-beta14_orig/src/hddtemp.h hddtemp-0.3-beta14/src/hddtemp.h
--- hddtemp-0.3-beta14_orig/src/hddtemp.h	2005-08-31 11:08:18.000000000 +0200
+++ hddtemp-0.3-beta14/src/hddtemp.h	2005-11-16 14:24:27.000000000 +0100
@@ -32,6 +32,8 @@
 #define MAX_ERRORMSG_SIZE      128
 #define DEFAULT_ATTRIBUTE_ID   194
 
+#define UNIX_ADDR "/var/run/hddtemp.sock"
+
 #define F_to_C(val) (int)(((double)(val)-32.0)/1.8)
 #define C_to_F(val) (int)(((double)(val)*(double)1.8) + (double)32.0)