来个电信丢包图

最近电信国际出口丢包丢出翔了。晚高峰让你体验回到33.6k拨号上网的年代。昨天晚上八点截了图,是mtr到本站的,忘记丢上来了。一起的还有用移动2G手机网络测的图(手机开的wifi热点,延迟很感人,不过关键在丢包率)。

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如何删除/不输入淘宝(Taobao)收货地址中的街道乡镇

如何删除/不输入淘宝(Taobao)收货地址中的街道乡镇

起因是淘宝修改了收货地址的格式,导致必须要输入其实并不一定需要的“街道乡镇”项,使地址变长,可读性反而也变差。
而且因为是强制的,所以要是你不选或者不输入是无法保存地址的,会被淘宝碎碎念。
taobao-addr-stupidia
Continue reading 如何删除/不输入淘宝(Taobao)收货地址中的街道乡镇

Ubuntu, SSH login very slow

Server: Ubuntu 14.04

It’s very slow when SSH into the server.
After type the password and press enter, I have to wait about 5 secs before I can see the command prompt. Finally I found there was a process

python3 /usr/lib/update-notifier/apt-check --human-readable

holding the login procedure.

This script is used to display package updates info when you login (like “XXX packages can be updated”). And it’s called by “/etc/update-motd.d/90-updates-available” during the login procedure.

So in order to speed up the login procedure, I commented out all lines in

/etc/update-motd.d/90-updates-available