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Learn how to debug memcached servers by sniffing network traffic to inspect commands, measure transfer rates, and analyze command frequencies using common Linux tools.

I had strange statistics on one memcached servers. I had to look what it’s doing there. I found such commands1 that may be used to sniff, extract and make statistics from running memcached server. Debug GET commands Show only GET commands sent to memcached tcpflow -c dst port 11211 | cut -b46- | grep ^get cut...

It happen to me all the time that one of developers notifies me about some kind of problem that I can’t confirm from my account. Sometimes it was because of bad ssh keys configuration, other times file permissions, mostly such stuff. It’s sometimes convenient to “enter into someone’s shoes” to see what’s going on...

Virtualenvs in python are cheap but from time to time you will install something with pip on your system and when time comes removing all this crap could be difficult. I found this bash snippet1 that will uninstall package with all dependencies: Recursive pip uninstall for dep in $(pip show python-neutronclient |...