As a system administrator, we should do everything to secure our server from attackers. As the internet grows, threats to our server is also growing. One of the popular entrances to attack our server is through the port on your [...]
Linux Tips
Monit - Monitor Linux Daemon, Filesystem, CPU , Files and Network
Monit is a small linux utility designed to manage and monitor processes, programs, filesystems, directories and files. You can have it run automatic maintenance and repair and can execute meaningful causal actions in error situations. You can use Monit to [...]
Linux iftop - Listen Network traffic (interface) & Bandwidth (pair of hosts)
Today the need of bandwidth is growing from time to time. Movies, streaming, online games are some of the applications that consumes big bandwidth. System administrator should manage and monitor bandwidth that comes to and go from their server. There [...]
15 Linux Hardening Steps to Keep Your Server Protected
Server hardening is the process of enhancing server security through various methods. We have a lot of steps to secure a server. Keep yourself and your company out by protecting your Linux systems from hackers, crackers, and attackers! You can [...]
How to Use Network Security Toolkit (NST) in Linux
NST is a Linux distribution based on Fedora Linux. NST provides security toolkit for professionals and network administrator with a comprehensive set of Open Source Network Security Tools. All of the tools in Top 125 Network Security Tools are included [...]
How to Use SSHFS on Linux
Sshfs is a file system for operating systems that have FUSE (Filesystem in Userspace) implementation. Examples of such operating systems are Linux, Mac OS X and FreeBSD but not limited to these. Sshfs is a great tool as it enables [...]
Check Hardware Infomation Using HardInfo on Ubuntu Linux
HardInfo is a system profiler and benchmark tool used in Linux to check hardware information. HardInfo parses some files in /proc and displays their information in a graphical window. You may also check CPU temperature using this tool. In this tutorial [...]
Linux vnstat - A Console Network Traffic Monitoring Tool
VnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s). It uses the network interface statistics provided by the kernel as information source. This means that vnStat won't [...]
How to Permanently add Static Route in Linux
Static routing is the process of manually entering the routes to the routing table to reach a particular destination. Basically two commands are used in Linux to add routes. The first command is the old traditional route add and second [...]
Input/Output Error : Bad Blocks - How to Restart Linux
This article I am trying to explain how to deal with "Input/output error " when you initiate any commands in Linux. I have pointed out some examples that report a similar error. # du -bash: /usr/bin/du: Input/output error # mkdir [...]
GPT - How to Partition Large Size Disk in Linux
The GUID Partition Table (GPT) is a new table layout on physical disk which has proposed by Intel due to the limitations of the previous MBR (Master Boot Record). Before learning GPT, it is worth mentioning the MBR and its [...]
How to Display Linux Hardware Info via Command Line
When a user works on a Linux system, in some cases, the user needs to know the information about the hardware under the operating system. This helps us to install compatible applications and utilities which adapt to hardware components of [...]
Find Detailed NFS Mount Options in Linux
This tutorial, I will discuss the different NFS mount options you have to perform on nfs client. NFS is a client and server architecture based protocol, developed by Sun Microsystems. The main purpose of this protocol is sharing file/file systems [...]
PRM - Process Resource Monitor for Linux
PRM is a CPU, memory, processes and run (elapsed) time resource monitor for Linux systems. It does this by monitoring the process table on a given system and matches process id's with set resource limits in the configuration file or per-process [...]