endolith

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marc0der

wget -c http://www.java.net/download/jdk7/archive/b136/binaries/jdk-7-ea-bin-b136-linux-x64-31_mar_2011.tar.gz

sudo tar zxvf jdk-7-ea-bin-b136-linux-x64-31_mar_2011.tar.gz -C /usr/local

sudo update-alternatives --install /usr/bin/java java /usr/local/jdk1.7.0/bin/java 1 --slave /usr/local/man/man1/java.1 java.1 /usr/local/jdk1.7.0/man/man1/java.1

sudo update-alternatives --install /usr/bin/javac javac /usr/local/jdk1.7.0/bin/javac 1 --slave /usr/local/man/man1/javac.1 javac.1 /usr/local/jdk1.7.0/man/man1/javac.1

timmyomahony

upstream uwsgi {
	ip_hash;
        server 127.0.0.1:40000;
}
server {

        listen                  80;
        server_name             www.domain.com;
        root                    /sites/mysite/;
        access_log              /sites/mysite/log/nginx/access.log;

badsyntax

Ext.Date.fuzzy = function(time, local){

	(!local) && (local = Date.now());

	if (typeof time !== 'number' || typeof local !== 'number') {
		return;
	}

	var
		offset = Math.abs((local - time)/1000),

robinsmidsrod

Add the following chunk to your existing ISC dhcpd.conf file.

if exists user-class and ( option user-class = "iPXE" ) {
    filename "http://boot.smidsrod.lan/boot.ipxe";
}
else {
    filename "undionly.kpxe";
}

(or see https://gist.github.com/4008017 for a more elaborate setup

hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

nyerup

#!/usr/bin/perl -w
#
# Uses ipmitool(1) to display a string of text on
# the front chassis display of Dell PowerEdge
# servers.
#
# Jesper Nyerup <[email protected]>

my $ipmitool = '/usr/bin/ipmitool';

seboudry

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns                     on recent CPU
L2 cache reference ........................... 7 ns                     14x L1 cache
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns                     20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs 4X memory

kimus

UFW

I use Ubuntu’s Uncomplicated firewall because it is available on Ubuntu and it's very simple.

Install UFW

if ufw is not installed by default be sure to install it first.

schnell18

# Make cgit generate link using absolute URL
virtual-root=/cgit.cgi/

# Enable caching of up to 1000 output entriess
cache-size=1000

# cache time to live 
cache-dynamic-ttl=5
cache-repo-ttl=5