diff --git a/appliances/airport/package.use b/appliances/airport/package.use
index e90df45..9c9f2c9 100644
--- a/appliances/airport/package.use
+++ b/appliances/airport/package.use
@@ -11,6 +11,7 @@ sys-apps/portage python3 ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 dev-db/postgresql server
 www-servers/nginx http                                                               
diff --git a/appliances/base/package.use b/appliances/base/package.use
index f826470..ed9123e 100644
--- a/appliances/base/package.use
+++ b/appliances/base/package.use
@@ -11,3 +11,4 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
diff --git a/appliances/docker/package.use b/appliances/docker/package.use
index 9dfdaeb..d2575f9 100644
--- a/appliances/docker/package.use
+++ b/appliances/docker/package.use
@@ -11,6 +11,7 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 app-emulation/docker aufs btrfs contrib overlay vfs
 app-text/asciidoc python_single_target_python2_7 python_targets_python2_7
diff --git a/appliances/elasticsearch/package.use b/appliances/elasticsearch/package.use
index f826470..ed9123e 100644
--- a/appliances/elasticsearch/package.use
+++ b/appliances/elasticsearch/package.use
@@ -11,3 +11,4 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
diff --git a/appliances/jenkins/package.use b/appliances/jenkins/package.use
index fb003c5..ec5f014 100644
--- a/appliances/jenkins/package.use
+++ b/appliances/jenkins/package.use
@@ -11,6 +11,7 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 # for Jenkins
 dev-lang/python sqlite
diff --git a/appliances/mariadb/package.use b/appliances/mariadb/package.use
index 41e3b4d..b7c949b 100644
--- a/appliances/mariadb/package.use
+++ b/appliances/mariadb/package.use
@@ -11,6 +11,7 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 # for mariadb
 net-misc/curl ssl
diff --git a/appliances/mongodb/package.use b/appliances/mongodb/package.use
index c018851..4ee00fd 100644
--- a/appliances/mongodb/package.use
+++ b/appliances/mongodb/package.use
@@ -17,3 +17,4 @@ sys-apps/systemd acl
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
diff --git a/appliances/owncloud/package.use b/appliances/owncloud/package.use
index da18b41..e68f53b 100644
--- a/appliances/owncloud/package.use
+++ b/appliances/owncloud/package.use
@@ -10,6 +10,7 @@ sys-apps/portage python3 ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 app-eselect/eselect-php apache2 fpm
 dev-lang/php apache2 cgi ctype curl fileinfo filter force-cgi-redirect fpm gd hash iconv json mhash pdo posix session simplexml sqlite truetype xml xmlreader xmlwriter zip zlib
diff --git a/appliances/rabbitmq/package.use b/appliances/rabbitmq/package.use
index e0727b5..0789b8c 100644
--- a/appliances/rabbitmq/package.use
+++ b/appliances/rabbitmq/package.use
@@ -11,6 +11,7 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 # for rabbitmq
 dev-lang/erlang ssl
diff --git a/appliances/teamplayer/package.use b/appliances/teamplayer/package.use
index 8fc6b92..cf43d28 100644
--- a/appliances/teamplayer/package.use
+++ b/appliances/teamplayer/package.use
@@ -16,5 +16,6 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 virtual/ffmpeg x264 mp3
 www-servers/nginx http
diff --git a/appliances/vabuilder/package.use b/appliances/vabuilder/package.use
index ae5b4b2..f0320a9 100644
--- a/appliances/vabuilder/package.use
+++ b/appliances/vabuilder/package.use
@@ -11,6 +11,7 @@ sys-apps/portage ipc
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
 sys-kernel/gentoo-sources symlink
+sys-process/procps kill
 
 # appliance-specific
 app-emulation/qemu python_targets_python2_7
diff --git a/appliances/x/package.use b/appliances/x/package.use
index 1bf8bf9..23531bb 100644
--- a/appliances/x/package.use
+++ b/appliances/x/package.use
@@ -8,4 +8,5 @@ sys-apps/kmod tools
 sys-apps/net-tools hostname
 sys-auth/pambase nullok sha512
 sys-devel/gcc cxx nptl
+sys-process/procps kill
 x11-base/xorg-server minimal xorg nptl