diff --git a/extras/ikev2changeaddr.sh b/extras/ikev2changeaddr.sh
index 0f49d01..34a5499 100755
--- a/extras/ikev2changeaddr.sh
+++ b/extras/ikev2changeaddr.sh
@@ -41,6 +41,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -70,8 +71,8 @@ check_os() {
       *)
 cat 1>&2 <<'EOF'
 Error: This script only supports one of the following OS:
-       Ubuntu, Debian, CentOS/RHEL 7/8, Rocky Linux, AlmaLinux,
-       Amazon Linux 2 or Alpine Linux
+       Ubuntu, Debian, CentOS/RHEL, Rocky Linux, AlmaLinux,
+       Oracle Linux, Amazon Linux 2 or Alpine Linux
 EOF
         exit 1
         ;;
diff --git a/extras/ikev2setup.sh b/extras/ikev2setup.sh
index f37f812..b67df10 100755
--- a/extras/ikev2setup.sh
+++ b/extras/ikev2setup.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
-# Script to set up and manage IKEv2 on Ubuntu, Debian, CentOS/RHEL,
-# Rocky Linux, AlmaLinux, Amazon Linux 2 and Alpine Linux
+# Script to set up and manage IKEv2 on Ubuntu, Debian, CentOS/RHEL, Rocky Linux,
+# AlmaLinux, Oracle Linux, Amazon Linux 2 and Alpine Linux
 #
 # DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
 #
@@ -52,6 +52,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -81,8 +82,8 @@ check_os() {
       *)
 cat 1>&2 <<'EOF'
 Error: This script only supports one of the following OS:
-       Ubuntu, Debian, CentOS/RHEL 7/8, Rocky Linux, AlmaLinux,
-       Amazon Linux 2 or Alpine Linux
+       Ubuntu, Debian, CentOS/RHEL, Rocky Linux, AlmaLinux,
+       Oracle Linux, Amazon Linux 2 or Alpine Linux
 EOF
         exit 1
         ;;
diff --git a/extras/quickstart.sh b/extras/quickstart.sh
index bb3e0e5..e9d6092 100755
--- a/extras/quickstart.sh
+++ b/extras/quickstart.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 #
-# Quick start script to set up an IPsec VPN server on Ubuntu, Debian,
-# CentOS/RHEL, Rocky Linux, AlmaLinux, Amazon Linux 2 and Alpine Linux
+# Quick start script to set up an IPsec VPN server on Ubuntu, Debian, CentOS/RHEL,
+# Rocky Linux, AlmaLinux, Oracle Linux, Amazon Linux 2 and Alpine Linux
 # Works on any dedicated server or virtual private server (VPS)
 #
 # DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
@@ -77,6 +77,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -109,8 +110,8 @@ check_os() {
       *)
 cat 1>&2 <<'EOF'
 Error: This script only supports one of the following OS:
-       Ubuntu, Debian, CentOS/RHEL 7/8, Rocky Linux, AlmaLinux,
-       Amazon Linux 2 or Alpine Linux
+       Ubuntu, Debian, CentOS/RHEL, Rocky Linux, AlmaLinux,
+       Oracle Linux, Amazon Linux 2 or Alpine Linux
 EOF
         exit 1
         ;;
@@ -254,7 +255,8 @@ install_pkgs() {
 get_setup_url() {
   base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
   sh_file="vpnsetup_ubuntu.sh"
-  if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] || [ "$os_type" = "alma" ]; then
+  if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] \
+    || [ "$os_type" = "alma" ] || [ "$os_type" = "ol" ]; then
     sh_file="vpnsetup_centos.sh"
   elif [ "$os_type" = "amzn" ]; then
     sh_file="vpnsetup_amzn.sh"
diff --git a/extras/vpnuninstall.sh b/extras/vpnuninstall.sh
index f24282c..e737fe1 100755
--- a/extras/vpnuninstall.sh
+++ b/extras/vpnuninstall.sh
@@ -1,7 +1,6 @@
 #!/bin/bash
 #
-# Script to uninstall IPsec VPN on Ubuntu, Debian, CentOS/RHEL,
-# Rocky Linux, AlmaLinux, Amazon Linux 2 and Alpine Linux
+# Script to uninstall IPsec VPN
 #
 # DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
 #
@@ -40,6 +39,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file" || grep -qs "release 8" "$rh_file"; then
     grep -qi rocky "$rh_file" && os_type=rocky
     grep -qi alma "$rh_file" && os_type=alma
@@ -64,8 +64,8 @@ check_os() {
       *)
 cat 1>&2 <<'EOF'
 Error: This script only supports one of the following OS:
-       Ubuntu, Debian, CentOS/RHEL 7/8, Rocky Linux, AlmaLinux,
-       Amazon Linux 2 or Alpine Linux
+       Ubuntu, Debian, CentOS/RHEL, Rocky Linux, AlmaLinux,
+       Oracle Linux, Amazon Linux 2 or Alpine Linux
 EOF
         exit 1
         ;;
diff --git a/extras/vpnupgrade.sh b/extras/vpnupgrade.sh
index 2b731ab..8ce5589 100755
--- a/extras/vpnupgrade.sh
+++ b/extras/vpnupgrade.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 #
 # Script to update Libreswan on Ubuntu, Debian, CentOS/RHEL, Rocky Linux,
-# AlmaLinux, Amazon Linux 2 and Alpine Linux
+# AlmaLinux, Oracle Linux, Amazon Linux 2 and Alpine Linux
 #
 # The latest version of this script is available at:
 # https://github.com/hwdsl2/setup-ipsec-vpn
@@ -42,6 +42,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -74,8 +75,8 @@ check_os() {
       *)
 cat 1>&2 <<'EOF'
 Error: This script only supports one of the following OS:
-       Ubuntu, Debian, CentOS/RHEL 7/8, Rocky Linux, AlmaLinux,
-       Amazon Linux 2 or Alpine Linux
+       Ubuntu, Debian, CentOS/RHEL, Rocky Linux, AlmaLinux,
+       Oracle Linux, Amazon Linux 2 or Alpine Linux
 EOF
         exit 1
         ;;
@@ -135,7 +136,8 @@ install_pkgs() {
 get_setup_url() {
   base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
   sh_file="vpnupgrade_ubuntu.sh"
-  if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] || [ "$os_type" = "alma" ]; then
+  if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] \
+    || [ "$os_type" = "alma" ] || [ "$os_type" = "ol" ]; then
     sh_file="vpnupgrade_centos.sh"
   elif [ "$os_type" = "amzn" ]; then
     sh_file="vpnupgrade_amzn.sh"
diff --git a/extras/vpnupgrade_centos.sh b/extras/vpnupgrade_centos.sh
index dd691e9..7f3c3a0 100755
--- a/extras/vpnupgrade_centos.sh
+++ b/extras/vpnupgrade_centos.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Script to update Libreswan on CentOS/RHEL, Rocky Linux and AlmaLinux
+# Script to update Libreswan on CentOS/RHEL, Rocky Linux, AlmaLinux and Oracle Linux
 #
 # The latest version of this script is available at:
 # https://github.com/hwdsl2/setup-ipsec-vpn
@@ -45,6 +45,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -56,7 +57,11 @@ check_os() {
       exiterr "CentOS Linux 8 is EOL and not supported."
     fi
   else
-    exiterr "This script only supports CentOS/RHEL 7/8, Rocky Linux and AlmaLinux."
+cat 1>&2 <<'EOF'
+Error: This script only supports one of the following OS:
+       CentOS/RHEL, Rocky Linux, AlmaLinux or Oracle Linux
+EOF
+    exit 1
   fi
 }
 
@@ -162,6 +167,12 @@ install_pkgs_2() {
   rp1="$erp=*server-*optional*"
   rp2="$erp=*releases-optional*"
   rp3="$erp=[Pp]ower[Tt]ools"
+  if [ "$os_type" = "ol" ] && [ "$os_ver" = "8" ]; then
+    rp3="$erp=ol8_codeready_builder"
+  fi
+  if [ "$os_type" = "ol" ] && [ "$os_ver" = "7" ]; then
+    rp2="$erp=ol7_optional_latest"
+  fi
   [ "$os_type" = "rhel" ] && rp3="$erp=codeready-builder-for-rhel-8-*"
   if [ "$os_ver" = "7" ]; then
     (
diff --git a/vpnsetup.sh b/vpnsetup.sh
index 1b57d0b..04da4f7 100755
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 #
-# Script for automatic setup of an IPsec VPN server on Ubuntu, Debian,
-# CentOS/RHEL, Rocky Linux, AlmaLinux, Amazon Linux 2 and Alpine Linux
+# Script for automatic setup of an IPsec VPN server on Ubuntu, Debian, CentOS/RHEL,
+# Rocky Linux, AlmaLinux, Oracle Linux, Amazon Linux 2 and Alpine Linux
 # Works on any dedicated server or virtual private server (VPS)
 #
 # DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
@@ -77,6 +77,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -109,8 +110,8 @@ check_os() {
       *)
 cat 1>&2 <<'EOF'
 Error: This script only supports one of the following OS:
-       Ubuntu, Debian, CentOS/RHEL 7/8, Rocky Linux, AlmaLinux,
-       Amazon Linux 2 or Alpine Linux
+       Ubuntu, Debian, CentOS/RHEL, Rocky Linux, AlmaLinux,
+       Oracle Linux, Amazon Linux 2 or Alpine Linux
 EOF
         exit 1
         ;;
@@ -254,7 +255,8 @@ install_pkgs() {
 get_setup_url() {
   base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
   sh_file="vpnsetup_ubuntu.sh"
-  if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] || [ "$os_type" = "alma" ]; then
+  if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] \
+    || [ "$os_type" = "alma" ] || [ "$os_type" = "ol" ]; then
     sh_file="vpnsetup_centos.sh"
   elif [ "$os_type" = "amzn" ]; then
     sh_file="vpnsetup_amzn.sh"
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index dd96266..dec0b46 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
-# Script for automatic setup of an IPsec VPN server on CentOS/RHEL,
-# Rocky Linux and AlmaLinux
+# Script for automatic setup of an IPsec VPN server on CentOS/RHEL, Rocky Linux,
+# AlmaLinux and Oracle Linux
 # Works on any dedicated server or virtual private server (VPS)
 #
 # DO NOT RUN THIS SCRIPT ON YOUR PC OR MAC!
@@ -71,6 +71,7 @@ check_os() {
   if grep -qs "Red Hat" "$rh_file"; then
     os_type=rhel
   fi
+  [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -82,7 +83,11 @@ check_os() {
       exiterr "CentOS Linux 8 is EOL and not supported."
     fi
   else
-    exiterr "This script only supports CentOS/RHEL 7/8, Rocky Linux and AlmaLinux."
+cat 1>&2 <<'EOF'
+Error: This script only supports one of the following OS:
+       CentOS/RHEL, Rocky Linux, AlmaLinux or Oracle Linux
+EOF
+    exit 1
   fi
 }
 
@@ -197,8 +202,14 @@ install_vpn_pkgs_1() {
   rp2="$erp=*server-*optional*"
   rp3="$erp=*releases-optional*"
   rp4="$erp=[Pp]ower[Tt]ools"
+  if [ "$os_type" = "ol" ] && [ "$os_ver" = "8" ]; then
+    rp1="$erp=ol8_developer_EPEL"
+    rp4="$erp=ol8_codeready_builder"
+  fi
+  if [ "$os_type" = "ol" ] && [ "$os_ver" = "7" ]; then
+    rp3="$erp=ol7_optional_latest"
+  fi
   [ "$os_type" = "rhel" ] && rp4="$erp=codeready-builder-for-rhel-8-*"
-
   (
     set -x
     yum -y -q install nss-devel nspr-devel pkgconfig pam-devel \