1，sudo時出現(xiàn)unable to resolve host 的解決方法

vi /etc/hosts 第一行信息如下：

     127.0.0.1       localhost

     127.0.0.1       hostname  

2,ubuntu apt 更換為國內(nèi)的源

備份原來的源：

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

更換源:

sudo vim /etc/apt/sources.list

#deb包
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
##測試版源  
deb http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse
# 源碼  
deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
##測試版源  
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse
# Canonical 合作伙伴和附加  
deb http://archive.canonical.com/ubuntu/ xenial partner
deb http://extras.ubuntu.com/ubuntu/ xenial main

執(zhí)行更新：

sudo apt-get update

復(fù)損壞的軟件包，嘗試卸載出錯的包，重新安裝正確版本的:

sudo apt-get -f install

更新軟件:

sudo apt-get upgrade

3,解決 “git Problem with the SSL CA cert (path? access rights?)” 辦法

sudo apt remove ca-certificates

sudo apt install ca-certificates

安裝PKS問題
Failed Jobs: pks-nsx-t-prepare-master-vm
參考：https://community.pivotal.io/s/question/0D50e00005880UyCAI/failed-jobs-pksnsxtpreparemastervm-ncp
bosh查看日志，導(dǎo)致問題的原因dns解析不到組件域名
解決：
1，先確認dns的訪問是否可達
2，dns中是否配置組件域名，ops-man、bosh、pks-api、registry。