erol.name

09. 06. 201418. 04. 2017

Count TCP socket state and decrease TIME_WAIT state

To count socket states use following command:

# netstat -an | awk '/^tcp/ {A[$(NF)]++} END {for (I in A) {printf "%5d %s\n", A[I], I}}'

Output should be something like this: Continue reading “Count TCP socket state and decrease TIME_WAIT state”

09. 06. 201418. 04. 2017

Force linux reboot or shutdown via SysRq-trigger

Force Reboot :

#echo 1 > /proc/sys/kernel/sysrq
#echo b > /proc/sysrq-trigger

Force Shutdown:

#echo 1 > /proc/sys/kernel/sysrq
#echo o > /proc/sysrq-trigger

14. 05. 201418. 04. 2017

IRSSI Autoconnect to IRC server network, join channel and identify to Nickserv

First start irssi and connect to the network you would like to autoconnect in the future, register your nickname with nickserv and then type in the following:

/server add -auto -network fn irc.freenode.net
/network add -nick user -autosendcmd "/msg nickserv IDENTIFY *******" fn
/channel add -auto #channel fn

Continue reading “IRSSI Autoconnect to IRC server network, join channel and identify to Nickserv”

11. 04. 201418. 04. 2017

Fix heartbleed / cve-2014-0160 on ARM Ubuntu 13.04 with packages from 12.04

Easy and dirty solution for your EOL (end of life) Ubuntu 13.04 Raring Ringtail for the Heartbleed / cve-2014-0160?

wget https://launchpad.net/ubuntu/+archive/primary/+files/openssl_1.0.1c-3ubuntu2.7_armhf.deb \
https://launchpad.net/ubuntu/+archive/primary/+files/libssl1.0.0_1.0.1c-3ubuntu2.7_armhf.deb \
https://launchpad.net/ubuntu/+archive/primary/+files/libssl-dev_1.0.1c-3ubuntu2.7_armhf.deb

Continue reading “Fix heartbleed / cve-2014-0160 on ARM Ubuntu 13.04 with packages from 12.04”

17. 02. 201418. 04. 2017

Xbian/XBMC on Raspberry Pi tweaks

It seems that little bundle of joy called Raspberry Pi computer is perfect for media player and what better choice than XBMC. I have decided to use XBian distribution since it is optimized and tweaked just right. Here are few tips I have stumbled upon during setup:

Cache all filesystems (internet/local) and optimize cache fill rate to make playback as smooth as possible. In your /home/xbian/.xbmc/userdata/advancedsettings.xml you should add/edit following section: Continue reading “Xbian/XBMC on Raspberry Pi tweaks”