Linux Network Statistics Tools / Commands

  How do I find out the current network interface throughput statistics on Linux (CentOS or Debian based distro)? How do I see current kernel snmp counters and network interface statistics on Linux operating systems? You can use any one of the following commands: nstat command : Network Statistics Tool Type the following command: #

Reference for List of TCP and UDP port numbers

List of TCP and UDP port numbers Source : WikiPedia By Mohammadreza Fadaee This is a list of Internet socket port numbers used by protocols of the transport layer of the Internet Protocol Suite for the establishment of host-to-host connectivity. Originally, port numbers were used by the Network Control Program (NCP) in the ARPANET for

Latest Windows 10 May Have a Linux Subsystem Hidden Inside

A Few Months Back, Microsoft impressed the world with ‘Microsoft loves Linux‘ announcements, including, development of a custom Linux-based OS for running Azure Cloud Switch and selecting Ubuntu as the operating system for its Cloud-based Big Data services! Now, a renowned Windows Hacker and computer expert, who goes by the name ‘WalkingCat’, discovered that the latest

20 Linux Log Files that are Located under /var/log Directory

If you spend lot of time in Linux environment, it is essential that you know where the log files are located, and what is contained in each and every log file. When your systems are running smoothly, take some time to learn and understand the content of various log files, which will help you when

How to create a self-signed SSL Certificate …

Step 1: Generate a Private Key The openssl toolkit is used to generate an RSA Private Key and CSR (Certificate Signing Request). It can also be used to generate self-signed certificates which can be used for testing purposes or internal usage. The first step is to create your RSA Private Key. This key is a

How To Find active presented SSL Certificate in Linux

In order to find detail about your active SSL Certificate on a linux machine you can use #openssl command. openssl is a powerful command with lots of  handy arguments. you can call it without arguments to enter the interactive mode with an ‘OpenSSL>’ prompt. Then you can directly type your commands. You can leave the

How To Fix “VBoxManage.exe: error: Details: code VBOX_E_IPRT_ERROR (0x80bb0005)”

  You may got this error while trying resize your virtual machine hard disk (.vdi) While using VBoxManage modifymedium –resize. C:\Program Files\Oracle\VirtualBox>VBoxManage modifymedium --resize 60000 "c:\Users\user\VirtualBoxVMs\windows7work.vdi" VBoxManage.exe: error: Could not get the storage format of the medium 'C:\Program Files\Oracle\VirtualBox\"c:\Users\user\VirtualBoxVMs\windows7work.vdi"' (VERR_INVALID_NAME) VBoxManage.exe: error: Details: code VBOX_E_IPRT_ERROR (0x80bb0005), component MediumWrap, interface IMedium, callee IUnknown VBoxManage.exe: error: Context: