diff --git a/server/src/gtfpga.c b/server/src/gtfpga.c
index c763dd68d..72daded3a 100644
--- a/server/src/gtfpga.c
+++ b/server/src/gtfpga.c
@@ -31,6 +31,9 @@ static void gtfpga_debug(char *msg, ...) {
 
 int gtfpga_init(int argc, char * argv[], struct settings *set)
 {
+	if (check_root())
+		error("The gtfpga node-type requires superuser privileges!");
+
 	pacc = pci_alloc();		/* Get the pci_access structure */
 	if (!pacc)
 		error("Failed to allocate PCI access structure");
diff --git a/server/src/if.c b/server/src/if.c
index 03687a793..18e839d92 100644
--- a/server/src/if.c
+++ b/server/src/if.c
@@ -34,7 +34,11 @@ struct interface * if_create(struct rtnl_link *link)
 
 	debug(3, "Created interface '%s'", rtnl_link_get_name(i->nl_link));
 
-	if_get_irqs(i);
+	int  n = if_get_irqs(i);
+	if (n > 0)
+		debug(6, "Found %u IRQs for interface '%s'", n, rtnl_link_get_name(i->nl_link));
+	else
+		warn("Did not found any interrupts for interface '%s'", rtnl_link_get_name(i->nl_link));
 
 	list_init(&i->sockets, NULL);
 	list_push(&interfaces, i);
@@ -177,8 +181,6 @@ int if_get_irqs(struct interface *i)
 
 		closedir(dir);
 	}
-	
-	debug(6, "Found %u IRQs for interface '%s'", n, rtnl_link_get_name(i->nl_link));
 
 	return 0;
 }
diff --git a/server/src/server.c b/server/src/server.c
index 589a8582f..5c5f29e7f 100644
--- a/server/src/server.c
+++ b/server/src/server.c
@@ -60,6 +60,11 @@ static void quit()
 
 static void realtime_init()
 { INDENT
+	if (check_kernel_cmdline())
+		warn("You should reserve some cores for the server (see 'isolcpus')");
+	if (check_kernel_rtpreempt())
+		warn("We recommend to use an RT_PREEMPT patched kernel!");
+	
 	/* Use FIFO scheduler with real time priority */
 	if (settings.priority) {
 		struct sched_param param = {
@@ -68,18 +73,20 @@ static void realtime_init()
 
 		if (sched_setscheduler(0, SCHED_FIFO, &param))
 			serror("Failed to set real time priority");
-		else
-			debug(3, "Set task priority to %u", settings.priority);
+
+		debug(3, "Set task priority to %u", settings.priority);
 	}
+	warn("Use setting 'priority' to enable real-time scheduling!");
 
 	/* Pin threads to CPUs by setting the affinity */
 	if (settings.affinity) {
 		cpu_set_t cset = to_cpu_set(settings.affinity);
 		if (sched_setaffinity(0, sizeof(cset), &cset))
 			serror("Failed to set CPU affinity to '%#x'", settings.affinity);
-		else
-			debug(3, "Set affinity to %#x", settings.affinity);
+
+		debug(3, "Set affinity to %#x", settings.affinity);
 	}
+	warn("Use setting 'affinity' to pin process to isolated CPU cores!");
 }
 
 /* Setup exit handler */
@@ -149,8 +156,6 @@ int main(int argc, char *argv[])
 		BLD(MAG(__DATE__)), BLD(MAG(__TIME__)));
 
 	/* Checks system requirements*/
-	if (check_root())
-		error("The server requires superuser privileges!");
 #ifdef LICENSE
 	if (check_license_trace())
 		error("This software should not be traced!");
@@ -161,10 +166,6 @@ int main(int argc, char *argv[])
 #endif
 	if (check_kernel_version())
 		error("Your kernel version is to old: required >= %u.%u", KERNEL_VERSION_MAJ, KERNEL_VERSION_MIN);
-	if (check_kernel_cmdline())
-		warn("You should reserve some cores for the server (see 'isolcpus')");
-	if (check_kernel_rtpreempt())
-		warn("We recommend to use an RT_PREEMPT patched kernel!");
 
 	/* Initialize lists */
 	list_init(&nodes, (dtor_cb_t) node_destroy);
diff --git a/server/src/socket.c b/server/src/socket.c
index 5e1a5946b..8d6e1a0ed 100644
--- a/server/src/socket.c
+++ b/server/src/socket.c
@@ -30,6 +30,7 @@
 #include "config.h"
 #include "utils.h"
 #include "socket.h"
+#include "checks.h"
 
 /** Linked list of interfaces */
 extern struct list interfaces;
@@ -39,6 +40,9 @@ static struct list sockets;
 
 int socket_init(int argc, char * argv[], struct settings *set)
 { INDENT
+	if (check_root())
+		error("The socket node-type requires superuser privileges!");
+	
 	nl_init(); /* Fill link cache */
 	list_init(&interfaces, (dtor_cb_t) if_destroy);