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I have access to public machine which don't provide sudo access. How can I install latest g++ in a local folder in Ubuntu and use it while compiling and running C++ programs? I tried this solution (Install gcc on linux with no root privilege) but its not working.

it Produces Error bzr: ERROR: Connection error: failed to connect to bzr.savannah.gnu.org:4155: Connection refused.

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user2809974
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    Possible duplicate of [Install gcc on linux with no root privilege](http://stackoverflow.com/questions/3212099/install-gcc-on-linux-with-no-root-privilege) – Sneftel Nov 02 '15 at 15:30
  • After what step are you getting the bzr error? – jelmer Nov 05 '15 at 18:25
  • @jelmer in the command 'bzr checkout bzr://bzr.savannah.gnu.org/gsrc/trunk/ gsrc' I am getting bzr error. – user2809974 Nov 07 '15 at 04:01

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It looks like your network does not allow connections to most TCP/IP ports. Bazaar uses TCP/IP port (port 4155). On my network this works fine:

% bzr branch bzr://bzr.savannah.gnu.org/gsrc/trunk/ /tmp/gsrc
Branched 3509 revisions.
jelmer
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  • I tried this but still not worked. produced error 'Cloning into 'gsrc'... fatal: unable to connect to git.savannah.gnu.org: git.savannah.gnu.org[0: 208.118.235.72]: errno=Connection refused' – user2809974 Nov 08 '15 at 14:54
  • Your network appears to be refusing connections to the custom bazaar or git ports (4155, 3169). I have updated the answer. – jelmer Nov 08 '15 at 16:20