diff --git a/cyberpanel.sh b/cyberpanel.sh
index 629b15a77..5d7b2c80a 100644
--- a/cyberpanel.sh
+++ b/cyberpanel.sh
@@ -342,7 +342,7 @@ if [[ $SERVER_OS == "CentOS" ]] ; then
 	  yum install -y wget strace htop net-tools telnet curl which bc telnet htop libevent-devel gcc python-devel libattr-devel xz-devel gpgme-devel mariadb-devel curl-devel python-pip git
   fi
 	if [[ $CENT_8 == "True" ]] ; then
-		yum install -y wget strace htop net-tools telnet curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel mariadb-devel curl-devel git platform-python-devel
+		yum install -y wget strace htop net-tools telnet curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel mariadb-devel curl-devel git platform-python-devel tar
 		dnf --enablerepo=PowerTools install gpgme-devel -y
 	fi
 
diff --git a/install/install.py b/install/install.py
index 6bd7d5328..a8a14009f 100755
--- a/install/install.py
+++ b/install/install.py
@@ -771,7 +771,7 @@ enabled=1"""
 
                 command = 'yum remove postfix -y'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
-            else:
+            elif self.distro == ubuntu:
                 command = 'apt-get -y remove postfix'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
@@ -808,7 +808,7 @@ enabled=1"""
 
             ##
 
-            if self.distro == centos:
+            if self.distro == centos or self.distro == cent8:
                 command = 'yum -y install dovecot dovecot-mysql'
             else:
                 command = 'apt-get -y install dovecot-mysql'