نصب IBSng و خطای Internal Error, Can't connect to IBS Core

[avahosting.in]

دوستان من هنگام اجرای دستورات به این خطا بر میخورم

[root@node27-vps ~]# wget http://iweb.dl.sourceforge.net/project/ibs/IBSng/IBSng -A1.24/IBSng-A1.24.tar.bz2
--2013-02-15 1322-- http://iweb.dl.sourceforge.net/project/ibs/IBSng/IBSng- A1.24/IBSng-A1.24.tar.bz2
Resolving iweb.dl.sourceforge.net... failed: Temporary failure in name resolutio n.
wget: unable to resolve host address `iweb.dl.sourceforge.net'
[root@node27-vps ~]# tar -xvjf IBSng-A1.24.tar.bz2 -C /usr/local
tar: IBSng-A1.24.tar.bz2: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error exit delayed from previous errors
[root@node27-vps ~]#