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README.md 1.71 KiB

CS 425

Setup

  • Add export GOPATH=~/ece428/mp3 to ~/.bashrc, or modify existing, so local machine will be able to find packages.
  • Run make setup so that Go will get all of the external packages, and it send the tools/bashrc.txt to every VM.

How to Use

  • Ansible method - run clone_git_repos, then run_servers
  • TMux method
    • ./dev-tmux.sh
    • CTRL+B, then e. This synchronizes the windows.
    • cd ~/mp3/src
    • make
    • ./ece428

Server Commands

Once the server has started on the VM, there are some commands you can run.

  • leave - Makes the server gracefully exit the group
  • print_fail - Toggles printing information regarding the failure detector
  • mem_list - Prints the membership list
  • help - Print out all the commands that can be run
  • crane-client - Add this when running a crane client
  • All of the file system commands

TMux

tmux is a linux utility to open several terminal sessions in the same terminal window. Copy the .tmux.conf to ~/ to get the keyboard shortcuts. To run commands, type CTRL+B, then do the keyboard shortcut, or : to type a command. Type ALT+arrow key to change window.

Measuring bandwidth

sudo tcpdump -i eth0 -len port 5681 | ./bps.pl

Extra Scripts

  • dev-tmux.sh - This will open 10 ssh sessions in the same window using tmux.
  • send_to_all.sh /*USERNAME*/ - Sends the src/ directory to every VM
  • send files.sh /*USERNAME*/ /*up to 4 VMs*/ - Sends the src/ directory to up to 4 VMs, provide the number with leading zero.
  • send_bashrc.sh /*USERNAME*/ - Sends the bashrc.txt to every VM as it's .bashrc, so that the GOPATH will be correctly configured.