If your network is heavily loaded you may see some problem with Common Internet File System (CIFS) and NFS under Linux. By default Linux CIFS mount command will try to cache files open by the client. You can use mount option forcedirectio when mounting the CIFS filesystem to disable caching on the CIFS client. This is tested with NETAPP and other storage devices and Novell, CentOS, UNIX and Red Hat Linux systems. This is the only way to avoid data mis-compare and problems.
MySQL, Red Hat and many other open source projects made good amount of money by supporting and creating world class software. But, how do you get venture capital – financing to grow businesses based upon open source ideas? If you are opening an open source software / hardware based business, read this getting started article about VC funding.
Red Hat issued an update version of Linux operating system core called kernel that plugs various security holes for RHEL 5.x. This update has been rated as having important security impact. All users are advised to upgrade kernel package.
Perl version supplied with RHEL has bug, which will result code running at least 100 times slower than expected speed. Now, Red Hat updated perl packages that fix a performance issue. Earlier only solution was installing your own perl under /usr/local or other location. This fix will now take care of performance penalty.
Red Hat paid approximately $107 million in cash for Qumranet, a privately held company. Now, Red Hat positioned to deliver comprehensive, reliable and open virtualization to Linux and Windows servers and desktops.