My web server is running centOS, it keeps crashing (like every few days it's just down and I have to reboot server). Today for example it went down twice! I have a script that runs 3 times a day that restarts http and MySQL - this seems to free up some memory. But surely it shouldn't go down so often? It's got 1gb ram and a reasonable processor (site only gets 200 uniques per day)...?