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Usefull Tips

Quite often I come across useful links related to web sites and servers. I`m listing them here for my benefit as well as info for anybody else.

-- retaliation-against-the-yandex-bot

Beej`s Guide to Network Programming

watch -n 1 `ps -e -o pid,uname,cmd,pmem,pcpu --sort=-pmem,-pcpu | head -15`

Virtualmin bug with DOvecot UID
went to Webmin | Servers | Dovecot IMAP/POP3 Server | User and Login Options and checked the Minimum valid UID. It was set to 1000. I set it to 500 and the mail started being retrieved from clients again.
changed base_uid and base_gid to 1000 and tested it, the new user have UID 1000.

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