Really bad performance on my MacBook has been driving me up the wall the past few days. Closing all un-needed programs didn’t help. I ran several Mac utilities on my system, rebooted and so on and so forth. Still no good. There’s 8GB of RAM in my (latest model - fall 2010) white MacBook and that really sped things up when it replaced the stock 2GB. It was very frustrating. ...
Looking for a way to speed up recurring DNS lookups on my Ubuntu box. I found a reference to Local DNS Cache for Faster Browsing on Ubuntu Blog. Works like a champ. I like that dnsmasq allows me to configure the size of the cache easily. I don’t like that I had to chattr +i /etc/resolv.conf to make it immutable so that the system wouldn’t drop looking at 127.0.0.1 (localhost) first. I tried using the package resolvconf but it caused all lookups to fail. So I used apt-get again to remove it and stayed with just the dnsmasq package.