extend dns cache size to 2048

Author: icymind

src/renderer/lib/openwrt.js

@@ -204,7 +204,11 @@ class Openwrt {
 
   // dnsmasq
   configDnsmasq () {
-    const cmd = "mkdir /etc/dnsmasq.d && echo 'conf-dir=/etc/dnsmasq.d/\nmin-cache-ttl=3600' > /etc/dnsmasq.conf"
+    const cfgs = []
+    cfgs.push('conf-dir=/etc/dnsmasq.d/')
+    cfgs.push('min-cache-ttl=3600')
+    cfgs.push('cache-size=2048')
+    const cmd = `mkdir /etc/dnsmasq.d && echo '${cfgs.join('\n')}' > /etc/dnsmasq.conf`
     return this.execute(cmd)
   }