I'm using a CentOS 5.6 system. Since there is a bug in my version of grep. I want to upgrade to a new version. I tried to use yum to update(upgrade) it, but failed.
[root@localhost ~]# cat /etc/redhat- redhat-lsb/ redhat-release [root@localhost ~]# cat /etc/redhat-release CentOS release 5.6 (Final) [root@localhost ~]# grep --version grep (GNU grep) 2.5.1 Copyright 1988, 1992-1999, 2000, 2001 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. [root@localhost ~]# yum update gerp Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.btte.net * extras: mirrors.btte.net * updates: mirrors.btte.net base | 1.1 kB 00:00 extras | 2.1 kB 00:00 updates | 1.9 kB 00:00 Setting up Update Process No Match for argument: gerp No package gerp available. No Packages marked for Update [root@localhost ~]#