Cleanup

- Fix OS checking: Don't show errors for /etc/redhat-release.
- Fixes #1211.

extras/ikev2changeaddr.sh

@@ -44,8 +44,8 @@ check_os() {
   [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file" || grep -qs "release 8" "$rh_file" \
     || grep -qs "release 9" "$rh_file"; then
-    grep -qi rocky "$rh_file" && os_type=rocky
-    grep -qi alma "$rh_file" && os_type=alma
+    grep -qs -i rocky "$rh_file" && os_type=rocky
+    grep -qs -i alma "$rh_file" && os_type=alma
   elif grep -qs "Amazon Linux release 2" /etc/system-release; then
     os_type=amzn
   else

extras/ikev2setup.sh

@@ -53,8 +53,8 @@ check_os() {
     os_type=rhel
   fi
   [ -f /etc/oracle-release ] && os_type=ol
-  grep -qi rocky "$rh_file" && os_type=rocky
-  grep -qi alma "$rh_file" && os_type=alma
+  grep -qs -i rocky "$rh_file" && os_type=rocky
+  grep -qs -i alma "$rh_file" && os_type=alma
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then
@@ -154,7 +154,7 @@ confirm_or_abort() {
 show_header() {
 cat <<'EOF'
 
-IKEv2 Script   Copyright (c) 2020-2022 Lin Song   31 Jul 2022
+IKEv2 Script   Copyright (c) 2020-2022 Lin Song   9 Aug 2022
 
 EOF
 }

extras/quickstart.sh

@@ -75,8 +75,8 @@ check_os() {
     os_type=rhel
   fi
   [ -f /etc/oracle-release ] && os_type=ol
-  grep -qi rocky "$rh_file" && os_type=rocky
-  grep -qi alma "$rh_file" && os_type=alma
+  grep -qs -i rocky "$rh_file" && os_type=rocky
+  grep -qs -i alma "$rh_file" && os_type=alma
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then

extras/vpnuninstall.sh

@@ -42,8 +42,8 @@ check_os() {
   [ -f /etc/oracle-release ] && os_type=ol
   if grep -qs "release 7" "$rh_file" || grep -qs "release 8" "$rh_file" \
     || grep -qs "release 9" "$rh_file"; then
-    grep -qi rocky "$rh_file" && os_type=rocky
-    grep -qi alma "$rh_file" && os_type=alma
+    grep -qs -i rocky "$rh_file" && os_type=rocky
+    grep -qs -i alma "$rh_file" && os_type=alma
   elif grep -qs "Amazon Linux release 2" /etc/system-release; then
     os_type=amzn
   else

extras/vpnupgrade.sh

@@ -43,8 +43,8 @@ check_os() {
     os_type=rhel
   fi
   [ -f /etc/oracle-release ] && os_type=ol
-  grep -qi rocky "$rh_file" && os_type=rocky
-  grep -qi alma "$rh_file" && os_type=alma
+  grep -qs -i rocky "$rh_file" && os_type=rocky
+  grep -qs -i alma "$rh_file" && os_type=alma
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then

extras/vpnupgrade_centos.sh

@@ -46,8 +46,8 @@ check_os() {
     os_type=rhel
   fi
   [ -f /etc/oracle-release ] && os_type=ol
-  grep -qi rocky "$rh_file" && os_type=rocky
-  grep -qi alma "$rh_file" && os_type=alma
+  grep -qs -i rocky "$rh_file" && os_type=rocky
+  grep -qs -i alma "$rh_file" && os_type=alma
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then

vpnsetup.sh

@@ -75,8 +75,8 @@ check_os() {
     os_type=rhel
   fi
   [ -f /etc/oracle-release ] && os_type=ol
-  grep -qi rocky "$rh_file" && os_type=rocky
-  grep -qi alma "$rh_file" && os_type=alma
+  grep -qs -i rocky "$rh_file" && os_type=rocky
+  grep -qs -i alma "$rh_file" && os_type=alma
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then

vpnsetup_centos.sh

@@ -80,8 +80,8 @@ check_os() {
     os_type=rhel
   fi
   [ -f /etc/oracle-release ] && os_type=ol
-  grep -qi rocky "$rh_file" && os_type=rocky
-  grep -qi alma "$rh_file" && os_type=alma
+  grep -qs -i rocky "$rh_file" && os_type=rocky
+  grep -qs -i alma "$rh_file" && os_type=alma
   if grep -qs "release 7" "$rh_file"; then
     os_ver=7
   elif grep -qs "release 8" "$rh_file"; then