Network

Hosts

  • hosts - A command line tool for managing hosts file entries.

SSH

Download entire web site using wget

From http://www.linuxjournal.com/content/downloading-entire-web-site-wget

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wget \
  --recursive \
  --no-clobber \
  --page-requisites \
  --html-extension \
  --convert-links \
  --restrict-file-names=windows \
  --domains website.org \
  --no-parent \
  www.website.org/tutorials/html/
  • --recursive: download the entire Web site.
  • --domains website.org: don’t follow links outside website.org.
  • --no-parent: don’t follow links outside the directory tutorials/html/.
  • --page-requisites: get all the elements that compose the page (images, CSS and so on).
  • --html-extension: save files with the .html extension.
  • --convert-links: convert links so that they work locally, off-line.
  • --restrict-file-names=windows: modify filenames so that they will work in Windows as well.
  • --no-clobber: don’t overwrite any existing files (used in case the download is interrupted and resumed).

See application open ports

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sudo netstat -ntpl

Using rsync to download remote server files

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rsync -chavzP --stats user@remote.host:/path/to/copy /path/to/local/storage

Monitor which processes are using your bandwitdh

  • You can use NetHogs. It will show which processes are using the bandwitdh of your connection.

VPNs

  • OpenVPN
  • zerotier
    • toss - Dead simple LAN file transfers from the command line
    • p2p-port-forward - Command line utility to forward ports between two hosts across different networks/subnets, in a peer-to-peer fashion using zerotier, without sudo privileges

DNS

Tools

tcpdump

tcpdump is a common packet analyzer that runs under the command line. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached. Distributed under the BSD license, tcpdump is free software.

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