diff -Nur icewm-1.6.6.orig/lib/keys.in icewm-1.6.6/lib/keys.in
--- icewm-1.6.6.orig/lib/keys.in	2020-05-29 11:47:00.000000000 -0500
+++ icewm-1.6.6/lib/keys.in	2020-05-30 00:37:31.279645822 -0500
@@ -12,8 +12,8 @@
 key "Alt+Ctrl+b"            xdg-open about:blank
 key "Alt+Ctrl+s"            xdg-open https://www.google.com
 
-key "Super+KP_Subtract"     amixer sset Master 5%-
-key "Super+KP_Add"          amixer sset Master 5%+
+key "Super+KP_Subtract"     pamixer -d 5
+key "Super+KP_Add"          pamixer -i 5
 
 # "Multimedia key" bindings for Xorg. Gather the keycodes of your
 # advanced function keys by watching the output of the xev command whilest
@@ -22,11 +22,11 @@
 # Note: some of them might have unwanted side effects through concurrency with
 # other listeners like systemd for the suspend key events
 #
-# key "XF86Standby"         /bin/sh -c "{ test -e /run/systemd/system && systemctl suspend; } ||:"
-# key "XF86Sleep"           /bin/sh -c "{ test -e /run/systemd/system && systemctl suspend; } ||:"
-key "XF86AudioLowerVolume"  amixer sset Master 5%-
-key "XF86AudioRaiseVolume"  amixer sset Master 5%+
-key "XF86AudioMute"         amixer sset Master toggle
+# key "XF86Standby"         /bin/sh -c "{ sudo /usr/sbin/pm-suspend; } ||:"
+# key "XF86Sleep"           /bin/sh -c "{ sudo /usr/sbin/pm-suspend; } ||:"
+key "XF86AudioLowerVolume"  pamixer -d 5
+key "XF86AudioRaiseVolume"  pamixer -i 5
+key "XF86AudioMute"         pamixer -t
 key "XF86HomePage"          xdg-open about:blank
 key "XF86Search"            xdg-open https://www.google.com
 key "XF86Eject"             eject
diff -Nur icewm-1.6.6.orig/src/default.h icewm-1.6.6/src/default.h
--- icewm-1.6.6.orig/src/default.h	2020-05-29 11:47:00.000000000 -0500
+++ icewm-1.6.6/src/default.h	2020-05-30 00:38:53.408234561 -0500
@@ -184,9 +184,9 @@
 XSV(const char *, logoutCommand,                0)
 XSV(const char *, logoutCancelCommand,          0)
 #if defined(__linux__)
-XSV(const char *, shutdownCommand,              "test -e /run/systemd/system && systemctl poweroff")
-XSV(const char *, rebootCommand,                "test -e /run/systemd/system && systemctl reboot")
-XSV(const char *, suspendCommand,               "test -e /run/systemd/system && systemctl suspend")
+XSV(const char *, shutdownCommand,              "sudo /sbin/halt")
+XSV(const char *, rebootCommand,                "sudo /sbin/reboot")
+XSV(const char *, suspendCommand,               "sudo /usr/sbin/pm-suspend")
 #else
 XSV(const char *, shutdownCommand,              0)
 XSV(const char *, rebootCommand,                0)