Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
Boot arguments may include more than one string. All argument strings are passed to the secondary boot program; they are not interpreted by OpenBoot. If any arguments are specified on the boot command line, then neither the boot-file nor the diag-file nvram variable is used. The...
The idea behind running BIND in a chroot jail is to limit the amount of access any malicious individual could gain by exploiting vulnerabilities in BIND. It is for the same reason that we run BIND as a non-root user. This should be considered as a...
Nagios core is one of the most widely used free & open-source software for monitoring our IT infrastructure. We can monitor resource utilization like memory, cpu etc of servers, firewalls, switches , network etc. In our earlier tutorial, we installed & configured a nagios server which...
To access website, we use easy to read & remember website address but these websites addresses are not what get us to a website, these addresses are created just so we can remember them easily. On the back of these addresses, what actually get us to...
When using IP based hosting to create a website, we require multiple IPs to launch multiple websites on a single apache server. For every website, we will need an IP address assigned to a single NIC or we can use IP aliasing. IP aliasing refers to...
VLC player is free & open source cross platform multimedia player that is available for Windows, Linux, Mac , Android, IOS etc & plays almost all the available audio & video formats available. It can also be used as a streaming media server & also boasts...
Security is up of utmost importance when it comes to data. Whether its data on FTP or on a website and breaches are major concern when our data is on internet. In this tutorial, we are going to discuss some tips which can help us make...
Virtualization is among the one the most useful & most used technologies in IT world. With the help virtualization, we can create virtual machines which are loaded with full OS capabilities with their own memory management, just like any regular OS on a dedicated physical server....