diff --git a/node_registry_manager.sh b/node_registry_manager.sh
new file mode 100644
index 00000000..a292a94e
--- /dev/null
+++ b/node_registry_manager.sh
@@ -0,0 +1,95 @@
+#!/bin/bash
+
+# Simple and reliable containerd registry mirror manager
+# Usage: ./registry-mirror.sh [--add|--remove] [mirror_url]
+# Docs - https://github.com/containerd/containerd/blob/main/docs/cri/registry.md
+# To apply on all nodes (tail +3 skips master node):
+# for node in $(kubectl get nodes -o wide | awk '{print $6}' | tail -n +3); do cat node_registry_manager.sh | s wizard@$node "sudo bash -s -- --add http://192.168.1.10:5000"; done
+
+CONFIG_FILE="/etc/containerd/config.toml"
+BACKUP_FILE="/etc/containerd/config.toml.bak"
+
+# Validate environment
+[ -f "$CONFIG_FILE" ] || { echo "Error: $CONFIG_FILE not found" >&2; exit 1; }
+[ "$(id -u)" -eq 0 ] || { echo "Error: Requires root privileges" >&2; exit 1; }
+
+add_mirror() {
+    local mirror_url="$1"
+    
+    # Create backup
+    cp -p "$CONFIG_FILE" "$BACKUP_FILE"
+    
+    # Check if mirror already exists
+    if grep -q "endpoint = \[.*\"$mirror_url\".*\]" "$CONFIG_FILE"; then
+        echo "Mirror already exists: $mirror_url"
+        return 0
+    fi
+
+    # Check if docker.io section exists
+    if grep -q "^\[plugins\.\"io\.containerd\.grpc\.v1\.cri\"\.registry\.mirrors\.\"docker.io\"\]" "$CONFIG_FILE"; then
+        # Append to existing section
+        sed -i "/^\[plugins\."io\.containerd\.grpc\.v1\.cri"\.registry\.mirrors\."docker.io"\]/a \  endpoint = [\"$mirror_url\"]" "$CONFIG_FILE"
+    else
+        # Add new section after registry.mirrors
+        if grep -q "^\[plugins\."io\.containerd\.grpc\.v1\.cri"\.registry\.mirrors\]" "$CONFIG_FILE"; then
+            sed -i "/^\[plugins\."io\.containerd\.grpc\.v1\.cri"\.registry\.mirrors\]/a \\n[plugins.\"io.containerd.grpc.v1.cri\".registry.mirrors.\"docker.io\"]\n  endpoint = [\"$mirror_url\"]" "$CONFIG_FILE"
+        else
+            # Add complete new section
+            echo -e "\n[plugins.\"io.containerd.grpc.v1.cri\".registry.mirrors.\"docker.io\"]\n  endpoint = [\"$mirror_url\"]" >> "$CONFIG_FILE"
+        fi
+    fi
+    
+    echo "Added mirror: $mirror_url"
+}
+
+remove_mirror() {
+    local mirror_url="$1"
+    
+    # Create backup
+    cp -p "$CONFIG_FILE" "$BACKUP_FILE"
+    
+    # Remove the specific mirror URL
+    sed -i "/endpoint = \[.*\"$mirror_url\".*\]/d" "$CONFIG_FILE"
+    
+    # Clean up empty sections
+    sed -i '/^\[plugins\."io\.containerd\.grpc\.v1\.cri"\.registry\.mirrors\."docker.io"\]$/,/^\[/{//!d}' "$CONFIG_FILE"
+    sed -i '/^\[plugins\."io\.containerd\.grpc\.v1\.cri"\.registry\.mirrors\."docker.io"\]$/d' "$CONFIG_FILE"
+    
+    # Clean up multiple empty lines
+    sed -i '/^$/N;/^\n$/D' "$CONFIG_FILE"
+    
+    echo "Removed mirror: $mirror_url"
+}
+
+restart_containerd() {
+    echo "Restarting containerd..."
+    if systemctl restart containerd; then
+        echo "Successfully restarted containerd"
+        return 0
+    else
+        echo "Error: Failed to restart containerd" >&2
+        return 1
+    fi
+}
+
+case "$1" in
+    --add)
+        [ -z "$2" ] && { echo "Error: Mirror URL required" >&2; exit 1; }
+        add_mirror "$2"
+        restart_containerd || exit 1
+        ;;
+    --remove)
+        [ -z "$2" ] && { echo "Error: Mirror URL required" >&2; exit 1; }
+        remove_mirror "$2"
+        restart_containerd || exit 1
+        ;;
+    *)
+        echo "Usage: $0 [--add|--remove] [mirror_url]" >&2
+        echo "Examples:" >&2
+        echo "  Add mirror:    $0 --add https://registry.example.com" >&2
+        echo "  Remove mirror: $0 --remove https://registry.example.com" >&2
+        exit 1
+        ;;
+esac
+
+exit 0
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