Linux相关

1 新安装Ubuntu设置管理员密码

用过ubuntu的人都知道，刚安装好root用户是没有密码的，没有密码我们就没法用root用户登录 给root用户设置密码输入命令sudo passwd,然后系统会让你输入密码，这时输入的密码就是root用户的密码了，设置完成之后就可以切换root用户登录了。

2设置镜像源并更新

与Windows共享：vmhgfs-fuse .host:/ /mnt/hgfs/

设置镜像源:

1 .备份默认的镜像源配置

···sudo cp /etc/apt/sources.list /etc/apt/sources.list_bak···

打开"Software&Updates”，设置镜像源为mirrors.aliyun.com

···

# deb cdrom:[Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2)]/ xenial main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to

# newer versions of the distribution.

deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted

## Major bug fix updates produced after the final release of the

## distribution.

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu

## team. Also, please note that software in universe WILL NOT receive any

## review or updates from the Ubuntu security team.

deb http://mirrors.aliyun.com/ubuntu/ xenial universe

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial universe

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu

## team, and may not be under a free licence. Please satisfy yourself as to

## your rights to use the software. Also, please note that software in

## multiverse WILL NOT receive any review or updates from the Ubuntu

## security team.

deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial multiverse

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse

## N.B. software from this repository may not have been tested as

## extensively as that contained in the main release, although it includes

## newer versions of some applications which may provide useful features.

## Also, please note that software in backports WILL NOT receive any review

## or updates from the Ubuntu security team.

deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse

# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's

## 'partner' repository.

## This software is not part of Ubuntu, but is offered by Canonical and the

## respective vendors as a service to Ubuntu users.

# deb http://archive.canonical.com/ubuntu xenial partner

# deb-src http://archive.canonical.com/ubuntu xenial partner

deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted

# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted

deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe

# deb-src http://security.ubuntu.com/ubuntu xenial-security universe

deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse

# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse

···