diff --git a/README.md b/README.md
index ff894cb..67d2af3 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,9 @@ dhcp range is 10.10.0.20-10.10.0.80
 ## useful commands
 
 ```
-for i in `seq 136 142`; do ssh root@10.10.0.$i reboot; done
-for i in `seq 100 142`; do ssh root@10.10.0.$i "sh -c 'nohup stress -c 8 > /dev/null 2>&1 &'"; done
+for i in `seq 136 142`; do echo $i; ssh root@10.10.0.$i reboot; done
+for i in `seq 100 142`; do echo $i; ssh root@10.10.0.$i "sh -c 'nohup stress -c 8 > /dev/null 2>&1 &'"; done
+for i in `seq 100 105`; do echo $i; ssh root@10.10.0.$i "sh -c 'nohup killall stress > /dev/null 2>&1 &'"; done
 
 
 ansible-playbook  -i inventory site.yml --limit "node42" --tags "hostname,telegraf" -K --ask-pass
diff --git a/ansible-ctdo/roles/packages/tasks/main.yml b/ansible-ctdo/roles/packages/tasks/main.yml
index 90ae7d3..ac886b2 100644
--- a/ansible-ctdo/roles/packages/tasks/main.yml
+++ b/ansible-ctdo/roles/packages/tasks/main.yml
@@ -14,6 +14,7 @@
     - htop
     - screen
     - iptraf-ng
+    - psmisc
 
 - name: remove packages
   tags: