Configure 60s Sync Interval & Fix SSH Connection Limits

fix-ssh-limits.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+# fix-ssh-limits.sh
+# Increases SSH connection limits to prevent "Connection refused" during rapid automation.
+
+SSHD_CONFIG="/etc/ssh/sshd_config"
+
+log() {
+    echo "[SSH-FIX] $1"
+}
+
+if [ ! -f "$SSHD_CONFIG" ]; then
+    log "Error: $SSHD_CONFIG not found."
+    exit 1
+fi
+
+# Backup config
+cp "$SSHD_CONFIG" "$SSHD_CONFIG.bak.$(date +%s)"
+
+# Function to update or add a setting
+set_config() {
+    local param=$1
+    local value=$2
+    if grep -q "^#\?${param}" "$SSHD_CONFIG"; then
+        sed -i "s/^#\?${param}.*/${param} ${value}/" "$SSHD_CONFIG"
+    else
+        echo "${param} ${value}" >> "$SSHD_CONFIG"
+    fi
+    log "Set ${param} to ${value}"
+}
+
+# Apply high limits
+set_config "MaxStartups" "100:30:200"
+set_config "MaxSessions" "100"
+set_config "MaxAuthTries" "20"
+
+# Reload SSH service
+if systemctl restart ssh; then
+    log "✅ SSH service restarted successfully with new limits."
+    log "VERIFICATION: $(grep 'MaxStartups' $SSHD_CONFIG)"
+else
+    log "❌ Failed to restart SSH service."
+    exit 1
+fi