VPS里面缺乏一些常用工具软件，一次安装好：
输入如下命令安装解压缩、下载和数据同步以及系统日志软件：
apt-get install unzip zip wget rsync如果提示如下命令，表示之前已经安装好：
root@241541:~# apt-get install unzip zip wget rsync
Reading package lists... Done
Building dependency tree
Reading state information... Done
unzip is already the newest version.
wget is already the newest version.
rsync is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 26 not upgraded.如果之前没有安装会提示如下命令，表示已经安装好
root@241541:~# apt-get install unzip zip wget rsyncReading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
rsync unzip wget zip
0 upgraded, 4 newly installed, 0 to remove and 26 not upgraded.
Need to get 319kB/1125kB of archives.
After this operation, 2314kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu/ maverick/main zip i386 3.0-3 [319kB]
Fetched 319kB in 0s (417kB/s)
Selecting previously deselected package wget.
(Reading database ... 22549 files and directories currently installed.)
Unpacking wget (from .../wget_1.12-1.1ubuntu3_i386.deb) ...
Selecting previously deselected package rsync.
Unpacking rsync (from .../rsync_3.0.7-2ubuntu1.1_i386.deb) ...
Selecting previously deselected package unzip.
Unpacking unzip (from .../archives/unzip_6.0-4_i386.deb) ...
Selecting previously deselected package zip.
Unpacking zip (from .../archives/zip_3.0-3_i386.deb) ...
Setting up wget (1.12-1.1ubuntu3) ...
Setting up rsync (3.0.7-2ubuntu1.1) ...
Setting up unzip (6.0-4) ...
Setting up zip (3.0-3) ...
