Autor: dalfers

Publicado em

arduino temperatura

buzzer

https://www.satellasoft.com/?materia=beep-usando-buzzer-com-arduino

NTC 10k temperatura

http://labdegaragem.com/profiles/blogs/tutorial-como-utilizar-o-termistor-ntc-com-arduino

 

http://www.audioacustica.com.br/exemplos/Valores_Resistores/Calculadora_Ohms_Resistor.html

 

 

led

http://www.audioacustica.com.br/exemplos/Valores_Resistores/Calculadora_Ohms_Resistor.html

Publicado em

RT-N13U

https://oldwiki.archive.openwrt.org/toh/asus/rt-n13u

https://oldwiki.archive.openwrt.org/doc/howto/firstlogin

 

opkg update

opkg install base-files block-mount busybox dnsmasq dropbear firewall fstools hostapd-common ip6tables iptables iw jshn jsonfilter kernel kmod-cfg80211 kmod-crypto-aes kmod-crypto-arc4 kmod-crypto-core kmod-eeprom-93cx6 kmod-fs-vfat kmod-gpio-button-hotplug kmod-ip6tables kmod-ipt-conntrack kmod-ipt-core kmod-ipt-nat kmod-ipv6 kmod-leds-gpio kmod-ledtrig-usbdev kmod-lib-crc-ccitt kmod-lib-crc-itu-t kmod-mac80211 kmod-nf-conntrack kmod-nf-conntrack6 kmod-nf-ipt kmod-nf-ipt6 kmod-nf-nat kmod-nf-nathelper kmod-nls-base kmod-nls-cp437 kmod-nls-iso8859-1 kmod-ppp kmod-pppoe kmod-pppox kmod-rt2800-lib kmod-rt2800-mmio kmod-rt2800-soc kmod-rt2x00-lib kmod-rt2x00-mmio kmod-scsi-core kmod-slhc kmod-tun kmod-usb-core kmod-usb-dwc2 kmod-usb-printer kmod-usb-storage libblkid libblobmsg-json libc libgcc libip4tc libip6tc libiwinfo libiwinfo-lua libjson-c libjson-script liblua liblzo libmount libnl-tiny libopenssl libpcap libpthread librt libubox libubus libubus-lua libuci libuci-lua libusb-1.0 libuuid libxtables lua luci luci-app-firewall luci-app-openvpn luci-app-p910nd luci-app-samba luci-base luci-i18n-base-pt-br luci-i18n-openvpn-en luci-i18n-openvpn-pt-br luci-lib-ip luci-lib-nixio luci-mod-admin-full luci-proto-ipv6 luci-proto-ppp luci-theme-bootstrap mtd netifd odhcp6c odhcpd openvpn-openssl opkg p910nd ppp ppp-mod-pppoe procd rpcd samba36-server swconfig tcpdump ubox ubus ubusd uci uhttpd uhttpd-mod-ubus usign wpad-mini zlib

 

 

Publicado em

Remover senha arquivo p12

https://serverfault.com/questions/515833/how-to-remove-private-key-password-from-pkcs12-container

 

Export to temporary pem file

openssl pkcs12 -in protected.p12 -nodes -out temp.pem
#  -> Enter password

Convert pem back to p12

openssl pkcs12 -export -in temp.pem  -out unprotected.p12
# -> Just press [return] twice for no password

Remove temporary certificate

rm temp.pem
Publicado em

mining on ubuntu

sudo apt-get update

sudo apt-get install build-essential libcurl4-openssl-dev git automake libtool libjansson* libncurses5-dev libssl-dev zlib1g-dev

git clone –recursive https://github.com/tpruvot/cpuminer-multi.git

cd cpuminer-multi
git checkout linux

./autogen.sh
./configure CFLAGS=”-march=native” –with-crypto –with-curl
make

vi cpuminer-conf.json

./cpuminer -c cpuminer-conf.json

 

referencia: https://www.nicehash.com/help/cpu-mining

https://github.com/nicehash/xmr-stak/blob/master/doc/compile_Linux.md

https://github.com/fireice-uk/xmr-stak/issues/878

Publicado em

delete mail from queue

To delete all email in the queue from a domain run this command as root:

postqueue -p | tail -n +2 | awk ‘BEGIN { RS = “” } /@example\.com/ { print $1 }’ | tr -d ‘*!’ | postsuper -d –

To delete all email in the queue From: a specific email address run this command as root:

postqueue -p | tail -n +2 | awk ‘BEGIN { RS = “” } /username@example\.com/ { print $1 }’ | tr -d ‘*!’ | postsuper -d –