Generally, all Linux distributions needs a scheduled reboot once to stay up to date with important kernel security updates. RHN (or other distro vendors) provides Linux kernel security updates. You can apply kernel updates using yum command or apt-get command line options. After each upgrade you need to reboot the server. Ksplice service allows you to skip reboot step and apply hotfixes to kernel without rebooting the server. In this post, I will cover a quick installation of Ksplice for RHEL 5.x and try to find out if service is worth every penny.
BBC’s blogger Rory Cellan-Jones took Ubuntu Karmic Koala for 24 hours test drive and predicated that – “… Ubuntu will remain a very niche product – but it’s Google’s Android which could bring open-source to the mass consumer market…“.
Today, I’ve upgraded total 8 servers from 4GiB to 8GiB to improve performance of system by inserting additional memory modules. We started each server and checked for memory count at console. All severs booted normally after the upgrade and services such as SMTP, NFS, CIFS, HTTP started as expected. Shortly, afterwords I got a call from help desk about pop3 server for slow performance.
The Sun Netra brand has been used for a variety of server computers from Sun Microsystems. These servers used for various purposes such as telecommunications applications.
Google doesn’t reveal exactly how many servers it has, but I’d estimate it’s easily in the hundreds of thousands.
An updated Apache package that fixes a bug is now available under FreeBSD operating systems.