Dear Duncan, I have configured my proxy settings as mentioned in the webpage. Mr Matthew also mentioned the similar one. After configuring I just tried to yum list updates command. But I am facing the same problem. [root@fslvm6 fsl]# yum list updates Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile epel/metalink | 2.8 kB 00:00 * c6-media: * epel: epel.mirror.srv.co.ge * extras: centos-hcm.viettelidc.com.vn * rpmforge: apt.sw.be * updates: centos-hcm.viettelidc.com.vn file:///media/CentOS/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/CentOS/repodata/repomd.xml Trying other mirror. file:///media/cdrecorder/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/cdrecorder/repodata/repomd.xml Trying other mirror. file:///media/cdrom/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/cdrom/repodata/repomd.xml Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: c6-media. Please verify its path and try again [root@fslvm6 fsl]# Please provide a solution. Thanks in advance Ramesh On Fri, Aug 14, 2015 at 8:47 PM, Duncan Mortimer < [log in to unmask]> wrote: > Does this help? > > http://www.putorius.net/2012/06/how-to-configure-system-proxy-settings.html > > On 14 Aug 2015, at 05:14, Ramesh Babu <[log in to unmask]> > wrote: > > > > Dear members, > > > > I have installed cent os 6.6 through VMware Player to work on FSL. I > want to install Octave 4 in my cent os. I have spent lot of time just to > fix proxy server through terminal, but I could not able to fix it. Please > help me to the fix proxy server and to install Octave4. > > > > My proxy server IP - 172.16.19.11 Port - 80. > > > > If you need further information, please let me know what kind > information I should give. > > > > > > Thanks > > Ramesh > > -- > Duncan Mortimer > Computing Officer, FMRIB Centre, University of Oxford > John Radcliffe Hospital, Oxford, UK >