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Bruna Griebeler

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27 de Maio de 2009, 0:00 , por Software Livre Brasil - | Ninguém está seguindo este artigo ainda.

Raspberry PI - How to set your VGA monitor to play some oldies

15 de Junho de 2018, 17:34, por griebeler.com - 0sem comentários ainda


I had some trouble to setup my old AOC 912Vwa VGA monitor on My Raspberry Pi 3.
So I decided to write it down here, and maybe help some folks ;)

I'm using RECALBOX.

First you'll need an adapter - VGA to HDMI. (Sorry, there's no magic for the hardware part)

Then find out the config.txt file, on BOOT partition.
Backup its content.

Then set those configurations and reboot your Rasp.

hdmi_safe=0
hdmi_mode=16
hdmi_group=2
disable_overscan=0
hdmi_force_hotplug=1
disable_overscan=1
overscan_left=0
overscan_right=0
overscan_top=0
overscan_bottom=0
program_serial_random=1
config_hdmi_boost=4
hdmi_ignore_edid=0xa5000080
temp_limit=85
force_pwm_open=1
hdmi_drive=2
dtparam=audio=on
boot_delay=3
disable_splash=1
cec_osd_name=recalbox
gpu_mem_256=128
gpu_mem_512=256
gpu_mem_1024=512
kernel=zImage

Hope it woks for you too!





Facebook Dev Circles

3 de Abril de 2018, 14:55, por griebeler.com - 0sem comentários ainda

Pessoal,

Adicionando os slides da última apresnetação no Facebook Dev Circles ;)







Women Tech Makers - IBM - São Paulo

8 de Março de 2017, 19:22, por griebeler.com - 0sem comentários ainda

Pessoal, como prometido aí vão os slides apresentados no Women Techmakers realizado na IBM em São Paulo:

https://pt.slideshare.net/griebeler/women-techmakers-so-paulo



Relation X does not exist

29 de Junho de 2016, 4:01, por griebeler.com - 0sem comentários ainda

Problem:
While trying to export a select result, you got the following error message: Relation xxx does not exist

Possible Solution:
If you are working with Temporary Tables, be aware they will be available for this session only.
So, when exporting the result, make sure you are not allowing the client to OPEN A NEW CONNECTION.

Otherwise the new connection will not know the tables, since they only exist on the previous connection.

Stupid Issues, but it's worth to share ;)

Dbeaver
PostgreSQL
Squirrel SQL Client



AUTH_FAILED,Google Authenticator Code must be a number

29 de Abril de 2016, 0:38, por griebeler.com - 0sem comentários ainda


After installing Ubuntu 16.04 update many users are unable to connect on OpenVPN on its newest version.

While a new package isn't provided, install openvpn 2.3.10 from source:

https://openvpn.net/index.php/download/community-downloads.html