加速 ubuntu 的启动和关机速度
Posted 2 years, 1 month ago at 11:31 am. 0 comments
方法来自 Tune Boot-Up-Manger for better performance of Ubuntu
应用程序 – 添加/删除 – 搜索 boot(显示：所有可安装程序)，找到 BootUp-Manager，这就是图形界面的 runlevel 配置工具。
Boot-Up Manager is a graphical tool to allow easy configuration of init services in user and system runlevels, as far as changing Start/Stop services priority. Homepage: http://www.marzocca.net/linux/bum.html/
作者推荐关掉下面这些服务（advanced – startup and shutdown scripts）
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#ntpdate: a utility that updates the system clock on each reboot.
#pcmcia: used only with laptops if one has PCMCIA cards.
#ppp: point-to-point protocol used only if you have a modem. Disabled the built-in modem in my desktop and only use a network interface card.
#powernowd: Use an AMD processor with Ubuntu and this service does not work with AMD.
#rsync: a utility that provides fast incremental file transfer if you wish to mirror or back up data.
#fetchmail: a utility to retrieve and forward mail and act as a gateway to smtp. If you are a Linux groupware client, do not use this utility.
#postfix: a mail transfer agent similar to sendmail. Use a mail server from my ISP and our company domain.
可惜要么没有找到上面说的那些项目，要么不让取消（比如 pcmciautils，报告 Editing in run level S is not allowed!
Playing with rcS.d symlinks is an administration activity requiring deep knowledge of the runlevel system.），但至少可以看看都有那些程序或服务被打开了。
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