Category Archives: BSD

FreebSD, OpenBSD

iroute does not work for openvpn networks

There is a quite common openvpn scenario: NETWORK_A — GW_A — INTERNET — GW_B — NETWORK_B GW_A is openvpn server, GW_B is client. Everything is setup correctly including iroute. Networking routes still cannot be used.

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shell fork bomb

Do not try on any kind of production environment. But good for testing for example a VM. :(){ :|:& };:

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tcpdump+wireshark

This command can be used to make tcpdump output readable by wireshark: tcpdump -vv -s 0 -i eth0 -w tcpdump.out tcp and port 4880 with headers and data tcpdump -i eth0 -s 1024 -l -A ‘port 80 and host 1.2.3.4’

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vim tuning

vim trick, tuning, tips, commands Continue reading

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crontab regular jobs: clapf, backup, apt-get, mysql

These crontab entries are for a common (email) server, they can be used in common on any server.

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vi quick tutorial magyarul

Remek vi leírás sürgős esetekre: http://www.vajko.hu/vitutor.html

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xorg.conf + wacom

A full example xorg.conf for using wacom.

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