the installation of gns3 needs the QT,the Python,the Sip and the Pyqt.
the software search of having been installed
1. the way of installation is yum,example : yum list installed | grep "software name or bag name "
2. the way of installation is rpm.example : rpm -qa | grep "software name or bag name"
3.the view of version : software -version
4 whereis software name // installation path
5 which software name // operating path
the installation methods of software
1. the source code of software
.tar.gz uncompress complie install
--#cp filename.tar.gz /root/......
--#tar -zxvf filename.tar.gz equals
--#tar -zxvf filename.tar.gz -C /root/......
--#./configure //check out the configure information for installing software that needs some conditions
--#make //confile
--#make install //install
--#make clean //clear junk file
2. yum (yellow dog updater,modified) is a base of software whose installation is instituted on the rpm.
yum [options] [commad] [package]
--#yum search [package]
--#yum install [package]
--#yum remove [package]
--#yum list [package]
--#yum update [package]
3. rpm
--#
官网网站上下载QT
chmod -755 qt-opensource-linux-x64-5.8.0.run //提升权限，可以执行。
--#./qt-opensource-linux-x64-5.8.0.run
--#一直next就行
下载SIP
--#tar -zxvf sip-4.19.8.tar.gz
--#cd sip-4.19.8
--#python configure.py
--#make
--#make install
查阅opensource
--#rpm -qa |grep jdk
删除opensource
--#rpm -e --nodeps java-1.7.0.........
下载jdk
rpm package
--#rpm -ivh ...................
自动配置了java 和javac 似乎