Ubuntu - PowerCram Blog

Install CactiEZ on Windows 2008 Hyper-V

CactiEZ (Cacti Made Easy) is a self installing Linux Distribution based off CentOS that sets up and configures a customized Cacti install. Everything is designed to be completely automated and working directly out of the box. This compact distro is loaded with extra features such as Syslog and Netflow data collection, Weathermaps, Reports, Auto Discovery, Router Config backup, […]

Use Iperf to Measure Network Throughput (Bandwidth) on Windows or Linux

Iperf was developed by NLANR/DAST as a modern alternative for measuring maximum TCP and UDP bandwidth performance. Iperf allows the tuning of various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, datagram loss. Install iperf on Windows – just download, unzip and run iperf.exe. Install iperf on Ubuntu:     sudo apt-get install iperf Iperf supports several options, […]

Bandwidth Monitoring Tools for Ubuntu

bmon – Bandwidth monitor and rate estimator bwm-ng – Bandwidth Monitor NG (Next Generation), a live bandwidthmonitor for network and disk IO cbm – displays the current traffic on all network devices iftop – Real-time bandwidth usage information on a specified interface iperf – Tool for measuring maximum TCP and UDP bandwidth performance ibmonitor – interactive bandwidth monitor pktstat – shows the […]

Upgrade Ubuntu Server From 8.10 to 9.10 – How To

You can use the following steps to easily upgrade Ubuntu Linux server (or workstation) 8.x to 9.10 (latest version as of this posting), either locally or remotely over ssh from a terminal command line. Note: Backup important data and configuration files first. First, apply latest updates to Ubuntu 8.x using: sudo apt-get updatesudo apt-get upgrade Next, install update-manager-core […]

How to update software on Ubuntu / Debian Linux

Ubuntu (and Debian) software can easily be updated using the apt-get command line tool. apt-get can be used from a terminal window as follows: apt-get update: Update is used to resynchronize the package index files from their sources over the Internet.To retrieve updated software list, enter:sudo apt-get update apt-get upgrade: Upgrade is used to install the newest versions […]