“I am a systems administrator for a large company with 150
locations and 15,000 employees. My company’s Linux deployment
started with one project and 12 servers; a year later we’re up to
45 servers, and soon will have more than 300 desktop users when we
convert an existing set of Windows workstations to Linux. To manage
this growing Linux environment, I rely on many open source
applications.“First on my list is the ubiquitous OpenSSH. Combining OpenSSH
with key authentication and Keychain to manage passphrases allows
me to enter a passphrase once and then run repeated SSH commands or
scripts on multiple servers without prompts…”