PERC/CERC Configuration utility from DELL is used to manage the disks on the server and perform several disk related activities. for e.g. Create Logical Volumes with different RAID options, check for the consistency of the disks etc. During the server startup process, there is an option to Launch the PERC/CERC configuration utility. However sometimes it [...]
Ramesh Natarajan
If you are using SSH client to connect to Linux server from your Windows laptop, sometimes it may be necessary to launch UI application on the remote Linux server, but to display the UI on the windows laptop. Following are two typical reasons to perform this activity: Install software on Linux from Windows: To launch [...]
If you are developing java application, it is important to understand that the java class files can be easily reverse engineered using java decompilers. In this article, let us explore how a java class file is reverse engineered and how to protect your source code from being reverse engineered by someone. The java source code [...]
In this article, I’ll explain how to perform ssh and scp without entering the password using the SSH Public Key authentication with SSH Agent on openSSH There are two levels of security in the SSH key based authentication. In order for you to login, you need both the private key and the passphrase. Even if [...]
“Treat your password like your toothbrush. Don’t let anybody else use it, and get a new one every six months” – Clifford Stoll When you create an account on a website, you may have the “password dilemma” for a second. The dilemma is whether you should provide a weak password that is easy to remember [...]
This is a 16 step Fedora 9 Sulphur installation guide covering a typical installation scenario. I have shown the screenshots for some of the important installation steps below. 1. Install menu: This screen displays the install menu with the the following option. I selected the option 1 – Install or upgrade an existing system. Install [...]
Sometimes it may be necessary to find out whether there are any issues with the memory or other hardware components on a server. Typically it is recommended to perform this kind of test on a server before deploying for production usage. DELL has provided few tools to perform hardware diagnostics on DELL Servers. Let us [...]
In the previous post Nagios 3.0 Jumpstart guide , I explained the overview, installation and configuration of Nagios 3.0 on Red Hat Server. In the following three chapters, I’ll explain how to monitor a remote Linux host and the various services running on the remote host. Also, please refer to all our Nagios articles. [...]