diff -Naur eth-fast-fabric-11.0.0.0/CommonInstall/util_init.pl eth-fast-fabric-11.0.0.0.alma/CommonInstall/util_init.pl
--- eth-fast-fabric-11.0.0.0/CommonInstall/util_init.pl	2021-06-08 12:51:05.000000000 +0000
+++ eth-fast-fabric-11.0.0.0.alma/CommonInstall/util_init.pl	2021-10-09 19:45:35.929110144 +0000
@@ -299,6 +299,8 @@
 		$CUR_DISTRO_VENDOR = "redhat";
 	} elsif ( -s "/etc/centos-release" ) {
 		$CUR_DISTRO_VENDOR = "redhat";
+	} elsif ( -s "/etc/almalinux-release" ) {
+		$CUR_DISTRO_VENDOR = "redhat";
 	} elsif ( -s "/etc/UnitedLinux-release" ) {
 		$CUR_DISTRO_VENDOR = "UnitedLinux";
 		$NETWORK_CONF_DIR = "/etc/sysconfig/network";
@@ -315,12 +317,14 @@
 	} elsif ( -e $os_release_file) {
 		my %distroVendor = (
 			"rhel" => "redhat",
+			"almalinux" => "redhat",
 			"centos" => "redhat",
 			"sles" => "SuSE",
 			"sle_hpc" => "SuSE"
 		);
 		my %network_conf_dir  = (
 			"rhel" => $NETWORK_CONF_DIR,
+			"almalinux" => $NETWORK_CONF_DIR,
 			"centos" => $NETWORK_CONF_DIR,
 			"sles" => "/etc/sysconfig/network",
 			"sle_hpc" => "/etc/sysconfig/network"
@@ -351,6 +355,8 @@
 			$NETWORK_CONF_DIR = "/etc/sysconfig/network";
 		} elsif ($CUR_DISTRO_VENDOR eq "centos") {
 			$CUR_DISTRO_VENDOR = "redhat";
+		} elsif ($CUR_DISTRO_VENDOR eq "almalinux") {
+			$CUR_DISTRO_VENDOR = "redhat";
 		}
 	}
 	if ( $CUR_DISTRO_VENDOR eq "SuSE" )
diff -Naur eth-fast-fabric-11.0.0.0/get_id_and_versionid.sh eth-fast-fabric-11.0.0.0.alma/get_id_and_versionid.sh
--- eth-fast-fabric-11.0.0.0/get_id_and_versionid.sh	2021-06-08 12:51:05.000000000 +0000
+++ eth-fast-fabric-11.0.0.0.alma/get_id_and_versionid.sh	2021-10-09 19:40:49.431690828 +0000
@@ -29,6 +29,9 @@
 			elif [ $rval = 'centos' ]
 			then
 				rval=redhat
+			elif [ $rval = 'almalinux' ]
+			then
+				rval=redhat
 			elif [ $rval != 'os' ]
 			then
 				break
@@ -67,6 +70,10 @@
 		then
 			# CentOS 
 			rval=`cat /etc/redhat-release | sed -r 's/^.+([[:digit:]])\.([[:digit:]]).+$/\1.\2/'`
+		elif grep -qi almalinux /etc/redhat-release
+		then
+			# AlmaLinux 
+			rval=`cat /etc/redhat-release | sed -r 's/^.+([[:digit:]])\.([[:digit:]]).+$/\1.\2/'`
 		elif grep -qi scientific /etc/redhat-release
 		then
 			# Scientific Linux.
diff -Naur eth-fast-fabric-11.0.0.0/MakeTools/funcs-ext.sh eth-fast-fabric-11.0.0.0.alma/MakeTools/funcs-ext.sh
--- eth-fast-fabric-11.0.0.0/MakeTools/funcs-ext.sh	2021-06-08 12:51:05.000000000 +0000
+++ eth-fast-fabric-11.0.0.0.alma/MakeTools/funcs-ext.sh	2021-10-09 19:42:39.018528761 +0000
@@ -725,6 +725,9 @@
             centos)
                 rval=redhat
                 ;;
+            almalinux)
+                rval=redhat
+                ;;
             fedora)
                 rval=redhat
                 ;;
@@ -756,6 +759,9 @@
 		elif [ $rval = 'centos' ]
 		then
 			rval=redhat
+		elif [ $rval = 'almalinux' ]
+		then
+			rval=redhat
 		elif [ $rval != 'os' ]
 		then
 			break
@@ -830,6 +836,10 @@
 		then
 			# CentOS 
 			rval="ES"`cat /etc/redhat-release | sed -r 's/^.+([[:digit:]])\.([[:digit:]]).+$/\1\2/'`
+		elif grep -qi almalinux /etc/redhat-release
+		then
+			# AlmaLinux 
+			rval="ES"`cat /etc/redhat-release | sed -r 's/^.+([[:digit:]])\.([[:digit:]]).+$/\1\2/'`
 		elif grep -qi scientific /etc/redhat-release
 		then
 			# Scientific Linux.
diff -Naur eth-fast-fabric-11.0.0.0/OpenIb_Host/update_mpi_spec.sh eth-fast-fabric-11.0.0.0.alma/OpenIb_Host/update_mpi_spec.sh
--- eth-fast-fabric-11.0.0.0/OpenIb_Host/update_mpi_spec.sh	2021-06-08 12:51:05.000000000 +0000
+++ eth-fast-fabric-11.0.0.0.alma/OpenIb_Host/update_mpi_spec.sh	2021-10-09 19:41:22.127537540 +0000
@@ -33,7 +33,7 @@
 id=$(./get_id_and_versionid.sh | cut -f1 -d' ')
 versionid=$(./get_id_and_versionid.sh | cut -f2 -d' ')
 
-if [ "$id" = "rhel" -o "$id" = "centos" ]
+if [ "$id" = "rhel" -o "$id" = "centos" -o "$id" = "almalinux" ]
 then
 	GE_8_0=$(echo "$versionid >= 8.0" | bc)
 	sed -i "s/__RPM_REQ/Requires: openblas-devel/" mpi-apps.spec
diff -Naur eth-fast-fabric-11.0.0.0/update_eth_spec.sh eth-fast-fabric-11.0.0.0.alma/update_eth_spec.sh
--- eth-fast-fabric-11.0.0.0/update_eth_spec.sh	2021-06-08 12:51:05.000000000 +0000
+++ eth-fast-fabric-11.0.0.0.alma/update_eth_spec.sh	2021-10-09 19:36:30.364981868 +0000
@@ -48,7 +48,7 @@
 
 source ./OpenIb_Host/ff_filegroups.sh
 
-if [ "$id" = "rhel" -o "$id" = "centos" ]
+if [ "$id" = "rhel" -o "$id" = "centos" -o "$id" = "almalinux" ]
 then
 	# __RPM_REQ_BASIC -
 	sed -i "s/__RPM_REQ_BASIC1/expect%{?_isa}, tcl%{?_isa}, libibverbs-utils%{?_isa}, librdmacm-utils%{?_isa}, net-snmp-utils%{?_isa}/g" eth-tools.spec