linux重要命令

dpkg命令使用

dpkg -l 查看当前系统中已经安装的软件包的信息

例子：dpkg -l | grep libmysqlclient-dev

Desired=Unknown/Install/Remove/Purge/Hold| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)||/ Name           Version        Description+++-==============-==============-============================================ii  libmysqlclient 5.5.28-0ubuntu MySQL database development filesroger@roger-machine:/usr/include/mysql/mysql$ dpkg -l | grep libmysqlclient-devii  libmysqlclient-dev                     5.5.28-0ubuntu0.12.04.3                 MySQL database development files

dpkg -L （软件包名称）查看系统中已经安装的软件文件的详细列表

roger@roger-machine:/usr/include/mysql/mysql$ dpkg -L libmysqlclient-dev | head -n 5/./usr/usr/bin/usr/bin/mysql_config/usr/lib

dpkg -s 查看已经安装的指定软件包的详细信息

Package: libmysqlclient-devStatus: install ok installedPriority: optionalSection: libdevelInstalled-Size: 4965Maintainer: Ubuntu Developers <[e-mail]>Architecture: i386Source: mysql-5.5Version: 5.5.28-0ubuntu0.12.04.3Replaces: libmysqlclient15-devProvides: libmysqlclient15-devDepends: libmysqlclient18 (= 5.5.28-0ubuntu0.12.04.3), zlib1g-devConflicts: libmysqlclient10-dev, libmysqlclient12-dev, libmysqlclient14-dev, libmysqlclient15-devDescription: MySQL database development files MySQL is a fast, stable and true multi-user, multi-threaded SQL database server. SQL (Structured Query Language) is the most popular database query language in the world. The main goals of MySQL are speed, robustness and ease of use. . This package includes development libraries and header files.Homepage: http://dev.mysql.com/Original-Maintainer: Debian MySQL Maintainers <[e-mail]>

dpkg -S 查看系统中的某个文件属于那个软件包;

dpkg -i *.deb文件的安装

dpkg -r *.deb文件的卸载;