I carry a USB memory stick, with the most often needed utilities for network setup and debugging. It’s only windows software, since I tend to use my laptop if I have it. If I don’t have my laptop, only windows machines tend to be around. I currently carry the following software:
- 3com IP calculator
- A small utility for calculating IP network and subnet masks. Quite useful if you don’t do binary addition in your head…
- Alax.Info DHCP Server
- A small DHCP server, requiring no set-up beyond entering IP adresses and network mask. Runs nicely from a USB memory device, and no installation required.
- Teraterm Pro
- A bit dated, and not the fanciest software of it’s kind. Yet, it’s the best serial port terminal for Windows I’ve tried, and it’s a shame it does not excist for Unix. Works like a charm, every time, and very easy to change serial port parameters
- PortableApps Suite
- I use the full version, since my memory device holds 2GB. Take your choice, or install the minimum and add the applications you need
- puTTY portable
- It’s the best SSH client for windows. In portable edition. What more can you ask for? Oh, and settings is stored on your USB memory device.
- winSCP portable
- Portable edition of winSCP. If you don’t like the Portable Apps interface, just grab the portable version from winSCP’s site
- nmap
- NMAP – the wonderful portscanner that handles almost anything. The windows version is a bit more limited than the Unix version, but it works decently. Use the zip version, and it will work from a usb memory device.