xflux -l 41.7333333 -g -7.4666667 - Chaves

http://www.taringa.net/posts/linux/8945111/F_lux_-Cuida-tus-ojitos.html

http://stereopsis.com/flux/

https://calomel.org/pf_hfsc.html

http://forum.pfsense.org/index.php/topic,2718.msg48336.html#msg48336

http://forum.pfsense.org/index.php?topic=42814.0

http://www.thegeekstuff.com/2011/10/grep-or-and-not-operators/


netsh wlan add filter permission=denyall networktype=adhoc
netsh wlan add filter permission=denyall networktype=infrastructure
netsh wlan set blockednetworks display=hide
netsh wlan add filter permission=allow ssid=ssid1 networktype=infrastructure


em anexo encontra-se o batch para bloquear e desbloquear o acesso a uma rede. tem que ser executado como administrador.

http://www.mgraves.org/2008/01/how-to-building-an-embedded-asterisk-pbx…

http://www.mgraves.org/2010/07/d-i-y-asterisk-appliances-a-question-of-…

http://www.asterisk.org/get-started

time mount -uw /
time mount -ur /

não é uma solução mas melhora em muito o tempo de montagem do fs:
/etc/rc.conf_mount_rw

e no final:
/etc/rc.conf_mount_ro

http://forum.pfsense.org/index.php/topic,48256.msg267775.html#msg267775

ver o log
clog /var/log/system.log

reiniciar servidor dns

ps aux | grep dns
to get the process id
code:
kill -HUP pid

CLI command Description
pfctl -d Deactivate Firewall completely
pfctl -e

https://dev.openwrt.org/ticket/9654

https://dev.openwrt.org/ticket/11862

#df -h
#df -i


contar ficheiros em pastas:
for i in `ls -1A`; do echo “`find $i | sort -u | wc -l` $i”; done | sort -rn | head -5


ou

sudo find . -xdev -type f | cut -d "/" -f 2 | sort | uniq -c | sort -n