Please make sure that you have logged in as a root user and internet is working in VM.

To Log in as root enter the command :


Install 7zip in centOS :

1. Add rpmforge repository



rpm -ivh rpmforge-release-0.5.2-2.el6.rf.i686.rpm

2. Install 7z

yum install p7zip

3. Extract file

7za x [7zfilename]

4. Compress

7za a -mx=9 7zfilename.7z [filename/directory]