1. sudo apt-get uninstall <package>

2. apt-cache showpkg <package>
pick a version string from there.

3. sudo apt-get install <package>=<version> 

-- 
Dheeraj Kumar


On Friday 7 June 2013 at 5:46 PM, Arvind Vyas wrote:

> how , i am not getting the command :(
> 
> 
> On Fri, Jun 7, 2013 at 5:39 PM, Dheeraj Kumar <[email protected] 
> (mailto:[email protected])> wrote:
> > remove 1.8 and install 1.7?
> > 
> > -- 
> > Dheeraj Kumar
> > 
> > 
> > On Friday 7 June 2013 at 5:36 PM, Arvind Vyas wrote:
> > 
> > > I need to downgrade the gdal version , i am working in remote system so 
> > > have only command prompt so if anybudy know how to either downgrade gdal 
> > > version from 1.8 to 1.7 or any other way to use gdal in rails app which 
> > > have version 2.3.5 and ruby 1.8.7 and ubuntu 10.10
> > > 
> > > Thanks
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