JBlond

Regular Colors

Value	Color
\e[0;30m	Black
\e[0;31m	Red
\e[0;32m	Green
\e[0;33m	Yellow
\e[0;34m	Blue
\e[0;35m	Purple

subfuzion

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

octocat

# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

# Packages #

mohanpedala

Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
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 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

ScottPhillips

#301 Redirects for .htaccess

#Redirect a single page:
Redirect 301 /pagename.php http://www.domain.com/pagename.html

#Redirect an entire site:
Redirect 301 / http://www.domain.com/

#Redirect an entire site to a sub folder
Redirect 301 / http://www.domain.com/subfolder/

schacon

This is gist. 
There are many like it, but this one is mine. 
It is my life. 
I must master it as I must master my life. 
Without me gist is useless. 
Without gist, I am useless.

ungoldman

How do you POST a JSON file with curl??

You can post a json file with curl like so:

curl -X POST -H "Content-Type: application/json" -d @FILENAME DESTINATION

so for example:

ipbastola

Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Reference

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r 

GuillermoPena

var crypto = require('crypto')
  , fs = require('fs')

// Algorithm depends on availability of OpenSSL on platform
// Another algorithms: 'sha1', 'md5', 'sha256', 'sha512' ...
var algorithm = 'sha1'
  , shasum = crypto.createHash(algorithm)

// Updating shasum with file content
var filename = __dirname + "/anything.txt"