text: 7. Update kernel parameters: 
  
  **ansible -i <inventory_file> nodes,lb -m sysctl -a "name=vm.max_map_count**
  **value=262144 state=present sysctl_set=yes reload=yes"**
  **ansible -i <inventory_file> nodes,lb -m sysctl -a "name=net.ipv4.ip_forward**
  **value=1 state=present sysctl_set=yes reload=yes"**
  **ansible -i <inventory_file> nodes,lb -m sysctl -a**
  **"name=fs.inotify.max_user_watches value=65536 state=present sysctl_set=yes**
  **reload=yes"**
  mstnode02.domain.example.com | SUCCESS => { 
   "changed": true 
  } 
  ... 
  Output truncated 
  ... 
  lbsnode01.domain.example.com | SUCCESS => { 
   "changed": true 
  } 
  wrknode01.domain.example.com | SUCCESS => { 
   "changed": true 
  } 
  **ansible -i <inventory_file> lb -m sysctl -a "name=net.ipv4.ip_nonlocal_bind**
  **value=1 state=present sysctl_set=yes reload=yes"**
  lbsnode01.domain.example.com | SUCCESS => { 
   "changed": true 
  } 