diff --git a/debian/debian-essentials.sh b/debian/debian-essentials.sh
index a77d957..15df383 100755
--- a/debian/debian-essentials.sh
+++ b/debian/debian-essentials.sh
@@ -43,6 +43,9 @@ if [[ -f /etc/apt/sources.list.d/debian.sources ]]
             fi
 fi
 
+# remove os prober
+apt-get remove os-prober -y
+
 # update and upgrade
 apt-get update
 apt-get upgrade -y
diff --git a/proxmox/proxmox-pbs-essentials.sh b/proxmox/proxmox-pbs-essentials.sh
index c8c7f46..2b2ef8a 100755
--- a/proxmox/proxmox-pbs-essentials.sh
+++ b/proxmox/proxmox-pbs-essentials.sh
@@ -13,7 +13,7 @@ apt-get update
 apt-get upgrade -y
 
 # download and install packages
-apt-get install -y sudo pwgen curl wget zip unzip git man-db cifs-utils nfs-common ntfs-3g parted libtalloc2 libwbclient0 net-tools gnupg apt-transport-https tmux gdisk bash-completion
+apt-get install -y proxmox-backup sudo pwgen curl wget zip unzip git man-db cifs-utils nfs-common ntfs-3g parted libtalloc2 libwbclient0 net-tools gnupg apt-transport-https tmux gdisk bash-completion
 
 # set input preferences
 if [[ ! -f /etc/inputrc.bak ]] ; then
diff --git a/proxmox/proxmox-pve-essentials.sh b/proxmox/proxmox-pve-essentials.sh
index 303e9f2..0859663 100644
--- a/proxmox/proxmox-pve-essentials.sh
+++ b/proxmox/proxmox-pve-essentials.sh
@@ -8,12 +8,15 @@ if [[ ! -f /etc/apt/apt.conf.d/local ]] ; then
     echo "}" >> /etc/apt/apt.conf.d/local
 fi
 
+# remove os prober
+apt-get remove os-prober -y
+
 # update and upgrade
 apt-get update
 apt-get upgrade -y
 
 # download and install packages
-apt-get install -y sudo pwgen curl wget zip unzip git man-db cifs-utils nfs-common ntfs-3g parted libtalloc2 libwbclient0 net-tools gnupg apt-transport-https tmux gdisk bash-completion
+apt-get install -y proxmox-ve postfix open-iscsi sudo pwgen curl wget zip unzip git man-db cifs-utils nfs-common ntfs-3g parted libtalloc2 libwbclient0 net-tools gnupg apt-transport-https tmux gdisk bash-completion
 
 # update templates
 pveam update
diff --git a/ubuntu/ubuntu-essentials.sh b/ubuntu/ubuntu-essentials.sh
index ab05fa6..43087d7 100755
--- a/ubuntu/ubuntu-essentials.sh
+++ b/ubuntu/ubuntu-essentials.sh
@@ -11,6 +11,9 @@ if [[ ! -f /etc/needrestart/conf.d/no-prompt.conf ]] ; then
     echo "\$nrconf{restart} = 'a';" >> /etc/needrestart/conf.d/no-prompt.conf
 fi
 
+# remove os prober
+apt-get remove os-prober -y
+
 # update and upgrade
 apt-get update
 apt-get upgrade -y