Tools: DNS - dns: What it is and how to set it up.
- dnstracer: view the registar and what roots resolve
- 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
- watch: View via cli interface traffic
- ntopng: IP Flow for your hosts
Code: Shell Scripts:
System Deployments:VM Services:
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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.
- sed/awk: Auuughhh!!!
- sshpass: How to run ssh commands without getting prompted for a pass
- 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
- nfs: mounting remote volumes locally
- using Tapes (LTO): how to get a tape storage device working
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
- Diffing tools: A couple of them out there...
- sudo: allowing folks to do rooty stuff
Security:
Other: - snmp: polling and alerting tool
- ntpd: Setting up your box to host or query the correct time.
- nload: view network interface traffic
Services:
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