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unix/linux


Tools:


DNS
  • dns: What it is and how to set it up.
  • dnstracer
  • dns_tree
  • dns_browse
  • dig: like nslookup only better

ICMP
  • fping is a pinging utility that will sweep ip ranges.
  • mtr: pinging and traceroute
Site Analysis
  • nmap: Scan IP/Ports on a network
  • zmap: Scan IP/Ports on a network 
  • ipcalc: compute network ranges around IP/Masks
  • netperf: send traffic between two hosts, and review the behavior of the network
  • tcpdump: capture packets seen by your machine
  • dummynet: WAN traffic emulation tool

Services

Revision Control
  • git: A good revision control system for code.  (does not deal with larger binaries very well.)
  • subversion: Not as good as git for some things, but holds binaries better.
File Transfers and Manipulation:
  • rsync: A fantastic copy tool.
  • tftp: The steps for setting up a TFTP daemon on your server.
  • wget: Allows you to backup content from web or FTP sites
  • curl: just like wget
  • tar+gz: how to stuff a lot of files into one zipped up one.  
  • ztools: different commands for working with compressed (.gz) files
Shell level stuff:
  • bash: Your shell and how to modify it.
  • screen: multiple sessions on one window.  Also helps with disconnecting wan links.
  • grep: few tricks to finding stuff
  • df and du: looking at disk and directory usage

Security:

Other:
  • snmp: polling and alerting tool
  • ntpd: Setting up your box to host or query the correct time. 
  • UNetbootin allows you to create bootable Live USB drives for Ubuntu, Fedora, and other Linux distributions without burning a CD. It runs on both Windows and Linux.
  • Infra Recorder: a free opensource Image/CD Burning program

Services:

Shell Scripts:

System Deployments:

VM Services:





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