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Send email notification on successful ssh login using ssmtp

Sometime i wants to know who is login and when user login to my server  but i don’t want to setup and run my own mail server, this can be done easily by using tcpwrapper and ssmtp , first make sure ssmtp is installed # dpkg -l|grep ssmtp iF  ssmtp                                  2.64-4fakesync1                                 extremely simple MTA to [...]

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ip_conntrack: table full, dropping packet

Today i found this message in one of my server, although the server’s load is quite low. using dmesg , i kept getting this, and it kept coming ip_conntrack: table full, dropping packet I’d seen this message before, but I headed over to Red Hat’s site for more details. Generally, the ip_conntrack_max is set to [...]

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