About FreeSWITCH – The World’s First Cross-Platform Scalable FREE Multi-Protocol Soft Switch. FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication proto...
Red Hat offers a typical administrator → engineer → architect certification ladder, which is unique style unlike many other such programs, however, it offers highly-regarded and valued credentials at each rung, along with demanding and h...
About Asterisk : Asterisk is a software implementation of a telephone private branch exchange (PBX); it allows attached telephones to make calls to one another, and to connect to other telephone services, such as the public switched telephone net...
JDK (Java Development Kit) JDK: It’s the full featured Software Development Kit for Java, including JRE, and the compilers and tools (like JavaDoc, and Java Debugger) to create and compile programs. Java Developer Kit co...
LVM (LogicalVolumeManager) allows administrators to create meta devices in Linux that provide an abstraction layer between a file system and the physical storage that is used underneath. The meta devices (on which file systems are p...
This blog will explain what actually linux is for those who are curious about it’s definition but not yet ready to dive without initial introduction. Linux is, in simplest terms, an operating system. Now if you have to define the ope...
The perquisites are to have sufficient memory and to turn off selinux or set it to permissive. Changes to SELinux require a reboot. You also need sudo access, I ran packstack from my control node. [root@ap2v ~]# cat /etc/selinux/config # Thi...
Hard Link vs Soft ( Symbolic ) Link Links in Linux can are very much similar to Pointers in programming languages. The basic difference is that,Pointers in programming languages are used to point to the other variables, likewise Link is a point...
Each user is associated with a unique numerical identification number called a user ID (UID). Likewise, each group is associated with a group ID (GID). A user who creates a file is also the owner and group owner of that file. The file is assigned ...
Network File System formally knows as NFS is a distributed files system protocol, which allow a linux server to share directories and files with the linux clients over the network. With NFS, users and program can access files on remote systems as ...
Let’s Get Started PostgreSQL often knows as “Postgres”, is world most advance Object-relational database management system. PostgreSQL is developed by the PostgreSQL Global Development Group, a diverse group of many compa...
Linux namespaces are somewhat like Solaris zones in many ways from a user perspective but have significant differences under the hood. The term namespace isolation is often used because the purpose of namespaces is to provide a group of processes ...
Control groups (cgroups) are a Linux kernel feature that enables you to allocate resources – such as CPU time, system memory, disk I/O, network bandwidth, etc. – among hierarchically ordered groups of processes running on a system. Ini...
This blog introduces the Linux kernel and Linux operating system, placing them in historical context of Unix. Since the creation of Unix in 1969, the brainchild of Dennis Ritchie and Ken Thompson has become a creature of legends, a system whose...
