“What are Delta RPMs anyway?”. Linux OS providers have come up of a way to save bandwidth when installing or updating your Linux packages/programs. One of the answers are Delta RPMs. A Delta RPM basically collects the difference from the old RPM (packages on your computer) from the one available on the repository and only downloads the correct RPM stripped down to the exact changes.
Updating your Virtual Server is a must procedure to ensure that you’ll get the latest update and patches. Almost all of the security problems we encounter on our Virtual Server gets easily fixed by performing an application update.
In the video, I used Yum command’s “yum update” to instruct CentOS to download the latest updates.
In the computer and networking world, there is a nodename that is well used and yet at the same time called upon to be deprecated by some server admins. The nodename is called “hostname” which basically is a label assigned to the connected device in a computer network. This is widely used to identify the device from various forms of electronic communication such as the World Wide Web, e-mail or Usenet.
Virtualmin is an advance, powerfull and flexible web hosting control panel for your Linux and UNIX system. It is the virtual host magement module of the well-known Open Source web-based server management system Webmin. With virtualmin, you can manage multiple virtual hosts, multiple virtual domains, mailboxes, database, applications and other stuff from its comprehensive and friendly web interface.
Virtualmin is a comprehensive and excellent replacement for your cPanel and Plesk control panels . Virtualmin offersr the same features that you can find from the two mentioned control panels such as account creation, domain management, dns management, MySQL management and much more. Virtualmin also offers a control panel for non-root users for management of their hosting account.
Establish an SSH connection to your remote server using putty for Windows, Linux and Unix. I normally use Windows when setting up my *nix servers and I prefer kitty portable SSH client from 9bis. Kitty portable SSH client is a fork of Putty and a very good client.
For first time connections, a certificate will be presented to you which you can either accept and download or deny which will cause a termination of the current SSH session. In order to continue, you should “accept”, this prompt will also reappear if your server have done a massive change on it’s private certificate.
A Red Hat Enterprise and Centos Kernel Update from Red Hat Bug Fix Advisory (RHAB) informs the users of Red Hat Linux Servers (RHEL) and Red Hat Linux Desktop operating system to update and install the new linux kernel. The Initial announcement was for the Enterprise edition but the release applied to all.
After learning what CSF / LFD module can do, it is time for a small guide on how to install them. The guide is for RHEL type version of Linux which consist of Redhat, Fedora and CentOS. A separate procedure is needed for Debian based Linux which will be added later.