If you have multiple switches that are part of a stack, then any VLAN you create on the master switch is available on all the switches in the stack. However, if you have multiple switches that are not part of stack, and if you need to use the same VLAN between these two switches, you [...]
Ramesh Natarajan
If you are using MySQL database, it is essential that you become comfortable with mysql command line. In this tutorial we’ll explain how to use the MySQL select command with several practical examples. 1. Basic Select command Example First, to connect to MySQL command line, do the following from your operating system prompt. # mysql [...]
mongodump is an useful tool to backup Mongo database. Apart from taking a cold backup, it can also take hot backup. i.e You can connect to a running instance of MongoDB and take a backup even when users are using the database. mongorestore is an useful tool to restore the MongoDB backup that was taken [...]
If you have multiple web servers running HTTP, you can offload the HTTPS SSL function to a hardware load balancer, which will do both the functions of load balancing the traffic between the nodes, and performing the HTTPS. In this tutorial, we’ll use the following example, where node1 and node2 both runs only HTTP. The [...]
Even if you are not an Oracle DBA, you’ll still encounter a situation where you may have to take a backup of an Oracle database. Using Oracle RMAN, you can take a hot backup for your database, which will take a consistent backup even when your DB is up and running. This tutorial gives you [...]
Q: I have a Cisco switch in my network, which I can access by hooking up a console cable directly to the device. I like to access the switch remotely using SSH. How can I enable ssh on my Cisco 3750 Catalyst Switch? A: By default, when you configure a Cisco device, you have to [...]
Whether it is coding, sysadmin, or life in general, I like to keep things simple. Don’t write a line of code that is not required, don’t install and configure something that is not required, don’t desire or collect things that are not required. If you like to be free and simple, you need to start [...]
Question: I’m running Apache Tomacat server. How do I hide the Tomcat version number from the error pages? Answer: Apache Tomcat server is for Java Servlet and JSP. When you call a page that doesn’t exist in the tomcat server, or when an existing page returns an error, the tomcat server will display the version [...]