之前买过一个树莓派，然后挂在那里开机半年后莫名其妙的挂了……挂了我也不知道怎么修，好像保修也没有，只能吃灰了。最近因为某种原因，需要一个小巧的电脑来当服务器，原本想着是买个回收垃圾的那种瘦客户机，但是这个电子产品呢，都是买新不买旧，考虑到这个服务器也不需要高性能，索性就拿新版树莓派好了。最新的树莓派：Raspberry Pi 3 Model B+ ,比起之前的版本，提升了 CPU，还有扩展了网卡性能，变成了千兆网卡！虽然还是从 USB 总线弄出去的，但总比没有好对吧？入手后价格还是比较低的，而且淘宝上还有各种便宜的套餐，无非就是给你个简单的盒子，以及简单的散热片，不过也差不多够用了。其实买树莓派 3 的时候我阴差阳错联系了中国总代买的，这次总代直接不屌我了，说自己不接受零售，让我去淘宝找他们的下级销售，索性就只能淘宝买了，还送了个盒子，看着跟大礼包一样。

I forgot the root password of my NAS Which is running Debian.After some Googling I found a easy way to reset it.

Open youro web browser and lead to :https://launchpad.net/ubuntu/+source/libinput

It seems you can use libinput to configure your touchpad on Ubuntu.Like two fingers, Three fingers,and Four fingers.

On Ubuntu Unity 18.04, The default datetime format is quite weird.If you displayed week, It would show up "三" instead of "星期三".So you have to change this.

Open Ubuntu kernel Mainline PPAhttp://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17.1/Download deb files and install. "unsigned" means no Secure boot support.

Indicator-keylock can handle your feature keys status easily.And there is a new PPA for Ubuntu 18.04.

This bug is reported in launchpad: Elantech touchpad stops working after suspend.Everytime you wake up from suspending, You have to "unload&load psmouse module manually".

Vim 8.1 is a minor release, a few new features have been added since Vim 8.0. The main new feature of Vim 8.1 is support for running a terminal in a Vim window, it sounds great for me.So I decide to install Vim 8.1 on my main System.

I installed Unity as default DE on Ubuntu 18.04, But nautilus really sucks on desktop management.So I decide to make a change.