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I used IPTraf, Iftop, vnstat, bwm-ng, ifconfig -a. None of them is helping me to find real-time packets that are being sent/received from my application in KB or MB format. The reason is I am writing an application, where I need to be very sure my compression is correct, but I can't test to move forward. What I can use to track very specific and accurate real-time network statistics?
I have a cluster of servers, each with configuration files that currently contain plain-text passwords for sensitive, mission-critical systems (message queues, data stores, and other services). Some people move critical passwords out of configuration files into an environment variable of the user accounts under which the server processes run. In this way, configuration files can be committed to ve
Traditionally, Unix mail and derivatives (and many other Unix tools) use the /usr/bin/sendmail interface, provided by almost all mail transfer agents (MTAs – postfix, exim, courier, and of course sendmail). That is, the mail program doesn't speak any network protocol – it feeds the message to sendmail via stdin, and lets it handle actual delivery. (This goes back to the days when some mail used SM
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