MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

bhurlow

–ctrl a c           -> cre­ate new win­dow
–ctrl a A           -> set win­dow name
–ctrl a w           -> show all win­dow
–ctrl a 1|2|3|…   -> switch to win­dow n
–ctrl a ”           -> choose win­dow
–ctrl a ctrl a      -> switch between win­dow
–ctrl a d           -> detach win­dow
–ctrl a ?           -> help
–ctrl a [           -> start copy, move cur­sor to the copy loca­tion, press ENTER, select the chars, press ENTER to copy the selected char­ac­ters to the buffer
–ctrl a ]           -> paste from buffer

m3nd3s

NERDTree

o.......Open files, directories and bookmarks....................|NERDTree-o|
go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
t.......Open selected node/bookmark in a new tab.................|NERDTree-t|
T.......Same as 't' but keep the focus on the current tab........|NERDTree-T|
i.......Open selected file in a split window.....................|NERDTree-i|
gi......Same as i, but leave the cursor on the NERDTree..........|NERDTree-gi|
s.......Open selected file in a new vsplit.......................|NERDTree-s|
gs......Same as s, but leave the cursor on the NERDTree..........|NERDTree-gs|

O.......Recursively open the selected directory..................|NERDTree-O|

akoumjian

Salt Masterless Quickstart

Running a masterless salt-minion lets you use salt's configuration management for a single machine. It is also useful for testing out state trees before

apavamontri

# installation
brew doctor
brew install python
pip install virtualenv virtualenvwrapper

# Add following to .bash_profile

export PATH=/usr/local/bin:/usr/local/mysql/bin:/usr/local/share/python:$PATH:~/bin

export WORKON_HOME=$HOME/.virtualenvs

arangamani

# In Chef, when a resource is defined all its variables are evaluated during
# compile time and the execution of the resource takes place in converge phase.
# So if the value of a particular attribute is changed in converge
# (and not in compile) the resource will be executed with the old value.

# Example problem:
# Let's consider this situation where there are two steps involved in a recipe
# Step 1 is a Ruby block that changes a node attribute. Rubyblocks get executed
# in converge phase
# Step 2 is a Chef resource that makes use of the node attribute that was

mattetti

package main

import (
	"bytes"
	"fmt"
	"io"
	"log"
	"mime/multipart"
	"net/http"
	"os"

tlatsas

CentOS cheatsheet

Installing EPEL repo on Centos 6.x

# curl -O http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# rpm -Uvh epel-release-6-8.noarch.rpm

rpm and yum

ssstonebraker

FILE SPACING:

 # double space a file
 sed G

 # double space a file which already has blank lines in it. Output file
 # should contain no more than one blank line between lines of text.
 sed '/^$/d;G'

ashrithr

Start server on one machine using:

iperf -s -i 1

• -i specifies the interval at which the output is specified
• -s specified to start server

Start client on another machine using: