Talv

Below is the list of publickly accessible NTP time servers located in Poland, along with their hostnames, IP addresses, Stratum levels, AS numbers and contact information.

List consists of trustworthy sources such as government agencies, scientific organizations, ISPs or major infrastructure providers. STRATUM 1 and 2.

If you're looking to use any of those NTP servers in business-critical production environment, please consider obtaining time from a time source directly, e.g. via GPS receiver or caesium atomic clock.

List

Host organization	Hostname(s)	IPv4	IPv6	STRATUM	ASN	Contact information
Główny Urząd Miar (Central Office of Measures)	`tempus1.gum.gov.pl` `tempus2.gum.gov.pl`	`194.146.251.100` `194.146.251.101`	N/A	1	AS50606	[email protected]

Google Public NTP [AS15169]:

time.google.com

time1.google.com

time2.google.com

time3.google.com

Description

Enable i2c RTC using systemd. A udev rules triggers an I2C systemd service on I2C kernel module adding. Service then loads I2C driver adding a new I2C device to /sys Then kernel loads I2C RTC driver and adds an RTC device It triggers a udev rules that updates hardware clock

Application on raspberry pi

Enable I2C

enable I2C in config.txt, adding device_tree_param=i2c1=on

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

	/** theme "easy on the eyes" for Adminer by [email protected] */
	/ customized by RobertoPC in https://gist.github.com/robertopc/bf2edac131bbaf789343fa9ce3ceb2e4 /

	@import url(//fonts.googleapis.com/css?family=Roboto+Mono:400,900);

	/* for font awesome */
	*:not(.fa) {
	font-family: 'Roboto Mono', sans-serif;
	}

	# Block Skype ads
	127.0.0.1 *.msads.net
	127.0.0.1 *.msecn.net
	127.0.0.1 *.rad.msn.com
	127.0.0.1 a.ads2.msads.net
	127.0.0.1 ac3.msn.com
	127.0.0.1 ad.doubleclick.net
	127.0.0.1 adnexus.net
	127.0.0.1 adnxs.com
	127.0.0.1 ads1.msn.com

	<?php
	/**
	* Create a web friendly URL slug from a string.
	*
	* Although supported, transliteration is discouraged because
	* 1) most web browsers support UTF-8 characters in URLs
	* 2) transliteration causes a loss of information
	*
	* @author Sean Murphy <[email protected]>
	* @copyright Copyright 2012 Sean Murphy. All rights reserved.