A new browser is on the market. Vivaldi is a web browser based on Chromium / Blink (A project from Google), especially created for users who "have problems fitting all their open tabs on one screen" and for better performance than the existing browsers [...]
Bobbin Zachariah
About Bobbin Zachariah
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Systemd vs Init Cheatsheet for Linux
Systemd is the new init system, starting with Fedora and now adopted in many distributions like RedHat, Suse and Centos. Historically, most of us have been using traditional SysV init scripts normally residing in /etc/rc.d/init.d/. These scripts invoke a daemon [...]
10:38 am
A Pocket Guide for Linux ssh Command with Examples
If you have been in the IT world for quite some time you probably have heard about SSH, how great a tool it is and all its cool security features. In this tutorial you will learn how to use SSH [...]
9:16 pm
How to Compile Linux with LXC and Create Application Container
LXC (LinuX Containers) is an operating system–level virtualization method for running multiple isolated Linux systems (containers) on a single host. The Linux kernel comprises cgroups (control groups) for resource isolation (CPU, memory, block I/O, network, etc.) which does not require [...]
9:15 am
How to Install Tomcat 8 on CentOS 7.0 (Multiple Instances)
Apache Tomcat is an open source web server and servlet container developed by the Apache Software Foundation. It implements the Java Servlet, JavaServer Pages (JSP), Java Unified Expression Language and Java WebSocket specifications from Sun Microsystems and provides a web [...]
10:06 am
How to Install and Configure Nagios 4.0.7 on CentOS 7.0
Nagios is a system and network monitoring application that offers monitoring and alerting services for servers, switches, applications, and services. It alerts the users when things go wrong and alerts them a second time when the problem has been resolved. [...]
9:32 am
A Good Understanding of D-BUS - An IPC Mechanism in Linux
D-BUS is an IPC (inter-process communication) mechanism that helps applications communicate with each other. D-Bus (Desktop Bus) is a simple IPC, developed as part of freedesktop projects. It provides an abstraction layer over various applications to expose their functionalities and [...]
8:00 am
Linux Smem Tool - Displays Memory Usage More Accurate
In a shared memory environment, which is a technique used by most operating systems, there is a challenge of counting the memory several times. This ends up giving users and system administrators inaccurate information on how physical memory is used. [...]
10:42 pm
Linux Shell Script to Sync Directories Interactively
This script will sync two directories between two servers. Basically we are using rsync features to run this program. Script will interactively request to input below details. 1) Remote server name or ip 2) Remote system user name 3) Local directory [...]
4:35 am
How to Install CentOS 7 Step by Step with Screenshots
CentOS (Community Enterprise Operating System) is forked from RedHat Linux, a Linux Distro fine-tuned for servers. In this tutorial, you will learn how to install CentOS 7 in a few easy steps. Read Also: How to Install CentOS 8 (Step by [...]
3:00 am
30 Handy Commands to Manage Exim Mail Server
Exim is a message transfer agent (MTA) for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities [...]
3:00 am
18 Examples to Learn Iptable Rules On CentOS
Iptable is the administration tool for IPv4 packet filtering and NAT. Iptables is used to set up, maintain, and inspect the tables of IPv4 packet filter rules in the Linux kernel. Several different tables may be defined. Each table contains [...]
3:00 am
Lsblk - Command to List Block Device in Linux
Lsblk command in linux is used to list information about all available block devices, however, it does not list information about RAM disks. Examples of block devices are a hard disk, flash drives, CD-ROM e.t.c Install lsblk The command lsblk [...]
6:45 am
How to Install Linux Kernel 3.14 on Ubuntu
In this tutorial, you will learn how to install the recently released Linux kernel 3.14 on your Ubuntu machine. The new kernel has several improvements including more drivers support. To upgrade to kernel 3.14 Ubuntu users can download the kernel [...]
3:00 am