diff --git a/.github/workflows/orphan_vms.yml b/.github/workflows/orphan_vms.yml
index f6d441e8..e4502e6f 100644
--- a/.github/workflows/orphan_vms.yml
+++ b/.github/workflows/orphan_vms.yml
@@ -44,7 +44,7 @@ jobs:
                 GCPPROJECT: 'libpod-218412'
               run: |
                 export GCPNAME GCPJSON AWSINI GCPPROJECT
-                export GCPPROJECTS=$(egrep -vx '^#+.*$' $GITHUB_WORKSPACE/gcpprojects.txt | tr -s '[:space:]' ' ')
+                export GCPPROJECTS=$(grep -E -vx '^#+.*$' $GITHUB_WORKSPACE/gcpprojects.txt | tr -s '[:space:]' ' ')
                 podman run --rm \
                     -e GCPNAME -e GCPJSON -e AWSINI -e GCPPROJECT -e GCPPROJECTS \
                     quay.io/libpod/orphanvms:latest \
@@ -59,7 +59,7 @@ jobs:
             - name: Count number of orphaned VMs
               id: orphans
               run: |
-                count=$(egrep -x '\* VM .+' /tmp/orphanvms_output.txt | wc -l)
+                count=$(grep -E -x '\* VM .+' /tmp/orphanvms_output.txt | wc -l)
                 # Assist with debugging job (step-outputs are otherwise hidden)
                 printf "Orphan VMs count:%d\n" $count
                 if [[ "$count" =~ ^[0-9]+$ ]]; then
diff --git a/get_ci_vm/bad_repo_test/hack/get_ci_vm.sh b/get_ci_vm/bad_repo_test/hack/get_ci_vm.sh
index 22dbf0bc..5a7ecc52 100755
--- a/get_ci_vm/bad_repo_test/hack/get_ci_vm.sh
+++ b/get_ci_vm/bad_repo_test/hack/get_ci_vm.sh
@@ -66,9 +66,9 @@ delvm() {
 }
 
 image_hints() {
-    _BIS=$(egrep -m 1 '_BUILT_IMAGE_SUFFIX:[[:space:]+"[[:print:]]+"' \
+    _BIS=$(grep -E -m 1 '_BUILT_IMAGE_SUFFIX:[[:space:]+"[[:print:]]+"' \
         "$SECCOMPHOOKROOT/.cirrus.yml" | cut -d: -f 2 | tr -d '"[:blank:]')
-    egrep '[[:space:]]+[[:alnum:]].+_CACHE_IMAGE_NAME:[[:space:]+"[[:print:]]+"' \
+    grep -E '[[:space:]]+[[:alnum:]].+_CACHE_IMAGE_NAME:[[:space:]+"[[:print:]]+"' \
         "$SECCOMPHOOKROOT/.cirrus.yml" | cut -d: -f 2 | tr -d '"[:blank:]' | \
         sed -r -e "s/\\\$[{]_BUILT_IMAGE_SUFFIX[}]/$_BIS/" | sort -u
 }
@@ -141,7 +141,7 @@ cd $SECCOMPHOOKROOT
 
 # Attempt to determine if named 'oci-seccomp-bpf-hook' gcloud configuration exists
 showrun $PGCLOUD info > $TMPDIR/gcloud-info
-if egrep -q "Account:.*None" $TMPDIR/gcloud-info
+if grep -E -q "Account:.*None" $TMPDIR/gcloud-info
 then
     echo -e "\n${YEL}WARNING: Can't find gcloud configuration for 'oci-seccomp-bpf-hook', running init.${NOR}"
     echo -e "         ${RED}Please choose '#1: Re-initialize' and 'login' if asked.${NOR}"
@@ -151,7 +151,7 @@ then
 
     # Verify it worked (account name == someone@example.com)
     $PGCLOUD info > $TMPDIR/gcloud-info-after-init
-    if egrep -q "Account:.*None" $TMPDIR/gcloud-info-after-init
+    if grep -E -q "Account:.*None" $TMPDIR/gcloud-info-after-init
     then
         echo -e "${RED}ERROR: Could not initialize 'oci-seccomp-bpf-hook' configuration in gcloud.${NOR}"
         exit 5
diff --git a/get_ci_vm/entrypoint.sh b/get_ci_vm/entrypoint.sh
index f5ac9959..c7797c98 100644
--- a/get_ci_vm/entrypoint.sh
+++ b/get_ci_vm/entrypoint.sh
@@ -235,7 +235,7 @@ has_valid_aws_credentials() {
     _awsoutput=$($AWSCLI configure list 2>&1 || true)
     dbg "$AWSCLI configure list"
     dbg "$_awsoutput"
-    if egrep -qx 'The config profile.+could not be found'<<<"$_awsoutput"; then
+    if grep -E -qx 'The config profile.+could not be found'<<<"$_awsoutput"; then
         dbg "AWS config/credentials are missing"
         return 1
     elif [[ ! -r "$EC2_SSH_KEY" ]] || [[ ! -r "${EC2_SSH_KEY}.pub" ]]; then
diff --git a/get_ci_vm/test.sh b/get_ci_vm/test.sh
index a5f1f95d..e9e6b311 100755
--- a/get_ci_vm/test.sh
+++ b/get_ci_vm/test.sh
@@ -78,7 +78,7 @@ testf() {
         echo "# $@" > /dev/stderr
     fi
 
-    # Using egrep vs file safer than shell builtin test
+    # Using grep -E vs file safer than shell builtin test
     local a_out_f
     local a_exit=0
     a_out_f=$(mktemp -p '' "tmp_${FUNCNAME[0]}_XXXXXXXX")
@@ -109,7 +109,7 @@ testf() {
         if ((TEST_DEBUG)); then
             echo "Received $(wc -l $a_out_f | awk '{print $1}') output lines of $(wc -c $a_out_f | awk '{print $1}') bytes total"
         fi
-        if egrep -q "$e_out_re" "${a_out_f}.oneline"; then
+        if grep -E -q "$e_out_re" "${a_out_f}.oneline"; then
             _test_report "Command $1 exited as expected with expected output" "0" "$a_out_f"
         else
             _test_report "Expecting regex '$e_out_re' match to (whitespace-squashed) output" "1" "$a_out_f"
diff --git a/get_fedora_url.sh b/get_fedora_url.sh
index 21d132de..c925b5bc 100755
--- a/get_fedora_url.sh
+++ b/get_fedora_url.sh
@@ -67,7 +67,7 @@ else
 fi
 
 # Support both '.CHECKSUM' and '-CHECKSUM' at the end
-filename=$(egrep -i -m 1 -- "$extension$" <<<"$by_arch" || true)
+filename=$(grep -E -i -m 1 -- "$extension$" <<<"$by_arch" || true)
 [[ -n "$filename" ]] || \
     die "No '$extension' targets among $by_arch"
 
diff --git a/imgobsolete/entrypoint.sh b/imgobsolete/entrypoint.sh
index 6727485f..c3425695 100755
--- a/imgobsolete/entrypoint.sh
+++ b/imgobsolete/entrypoint.sh
@@ -40,8 +40,8 @@ $GCLOUD compute images list --format="$FORMAT" --filter="$FILTER" | \
         count_image
         reason=""
         created_ymd=$(date --date=$creationTimestamp --iso-8601=date)
-        permanent=$(egrep --only-matching --max-count=1 --ignore-case 'permanent=true' <<< $labels || true)
-        last_used=$(egrep --only-matching --max-count=1 'last-used=[[:digit:]]+' <<< $labels || true)
+        permanent=$(grep -E --only-matching --max-count=1 --ignore-case 'permanent=true' <<< $labels || true)
+        last_used=$(grep -E --only-matching --max-count=1 'last-used=[[:digit:]]+' <<< $labels || true)
 
         LABELSFX="labels: '$labels'"
 
@@ -147,9 +147,9 @@ for (( i=nr_amis ; i ; i-- )); do
     done
 
     unset automation permanent reason
-    automation=$(egrep --only-matching --max-count=1 \
+    automation=$(grep -E --only-matching --max-count=1 \
                  --ignore-case 'automation=true' <<< $tags || true)
-    permanent=$(egrep --only-matching --max-count=1 \
+    permanent=$(grep -E --only-matching --max-count=1 \
                 --ignore-case 'permanent=true' <<< $tags || true)
 
     if [[ -n "$permanent" ]]; then
diff --git a/imgprune/entrypoint.sh b/imgprune/entrypoint.sh
index 442bf1d7..e3ab7bef 100755
--- a/imgprune/entrypoint.sh
+++ b/imgprune/entrypoint.sh
@@ -39,7 +39,7 @@ $GCLOUD compute images list --show-deprecated \
     do
         count_image
         reason=""
-        permanent=$(egrep --only-matching --max-count=1 --ignore-case 'permanent=true' <<< $labels || true)
+        permanent=$(grep -E --only-matching --max-count=1 --ignore-case 'permanent=true' <<< $labels || true)
         [[ -z "$permanent" ]] || \
             die 1 "Refusing to delete a deprecated image labeled permanent=true.  Please use gcloud utility to set image active, then research the cause of deprecation."
         [[ "$dep_state" == "OBSOLETE" ]] || \