linux

iperf Tuning Guide

To get the maximum performance on iPerf, you can optimize several parameters depending on your network and hardware. Here are some recommendations: Use the latest version of iPerf: Ensure you are using the latest version of iPerf (iPerf3 is the most recent major version).

Installing Tmux Without Root Access

The following script was adapted from https://gist.github.com/ryin/3106801, with some improvements and broken link fixes. #!/bin/bash # Script for installing tmux on systems where you don't have root access. # tmux will be installed in $HOME/local/bin.

Monitor Memory Usage With Free

free is a command which can give us information on available RAM in Linux machine. This post will summerize the usage of free command and how to interpret the output.

My Development Environment Checklist

Lately I’ve been admitted as intern at a tech startup to work on a SDK. To begin the development, my first task is to get my development environment ready. This job allows me to take time to reflect on what I’ve done to make it cozy, and how to make it better or even streamlined.

Using NTP to Sync Time

Recently there was a strange error during code compilation. The compiler complained that the modified date is ahead of current time for some objects, thus it cannot figure out the correct dependencies.