~/.vimrc

" file:~/.vimrc docs at the end

" everything after a double quote is a comment.

" enable syntax hightlighting

" adjust the backspace behaviour 

set backspace=indent,eol,start

" allways show status line

set ls=2

" set the default windows height to 92

set winheight=92

" set the brightest possible colorscheme

colorscheme elflord

" set the number of spaces the tab should produce

set tabstop=3

" display always the row number on the left

set number

" ignore case when searching

set ignorecase

" show the title in the console title bar

" set title

" smooth changes

set ttyfast

" highlight the searched items

set hlsearch

" autoindent by default

set autoindent

" set the default shift width

set sw=3

" set the number of columns

set co=120

" set wrapping by default

set wrap

" start custom mappings

" =======================================================

" f4 would go to the next buffer

map <F3> :bn!<CR>

" f3 would go to the previous bugger

map <F2> :bp!<CR>

" F5 should find the next occurrence after vimgrep

map <F5> :cp!<CR>

" F6 should find the previous occurrence after vimgrep

map <F6> :cn!<CR>

" stop custom mappings

" =======================================================

" show additional info for the current buffer - line, char number

set ruler

" set the syntax by default

syntax on

" enable filetype plugin

filetype plugin on

" v1.1.4 http://stackoverflow.com/a/1588848/65706 - delete the annoying .swp

" files handling behaviour 

set shortmess+=A

" v1.1.5

" src: https://github.com/colbycheeze/dotfiles/blob/master/vimrc

set backspace=2   " Backspace deletes like most programs in insert mode

" Automatically :write before running commands

set autowrite     

" Reload files changed outside vim

set autoread      

" highlight the current line

set cursorline    

" Make it obvious where 100 characters is

set textwidth=100

"v1.1.6

" search as characters are entered

set incsearch           

" highlight matches

set hlsearch            

"

" Purpose:

" ---------------------------------------------------------

" provide the defaults for the vim on the hostname host

" credits and sources : http://phuzz.org/vimrc.html

"

" Usage:

" ---------------------------------------------------------

" :so %

" :so ~/.vimrc

" ---------------------------------------------------------

"

" VersionHistory

" ---------------------------------------------------------

" export version=1.1.6

" 1.1.6 --- 2016-08-22 09:36:14 --- ysg --- highlight the search line always

" 1.1.5 --- 2016-08-19 14:17:42 --- ysg --- highlight the current line

" 1.1.4 --- 2016-07-22 08:43:04 --- ysg --- removed annoying swap file msg

" 1.1.3 --- 2013-04-24 14:18:12 --- ysg --- added the filetype plugin on

" 1.1.2 --- 2012-12-26 11:42:26 --- ysg --- re-formatting

" 1.1.0 --- 2012-12-25 10:56:12 --- ysg --- to vim syntax, new settings

" 1.0.0 --- 2012-12-24 14:22:52 --- ysg --- Initial creation from source

" eof file: ~/.vimrc

~/.tmux.conf

# file: ~/.tmux.conf

# v1.0.1

# this is your <<prefix>>

# remap prefix from 'C-b' to 'C-j', because it is the only letter left from  the 

# bash shortcuts with the Control option

unbind C-b

set-option -g prefix C-j

bind-key C-j send-prefix

# v1.0.2

# enable vi mode

set-window-option -g mode-keys vi

# confirm by <<prefix>> :list-keys -t vi-copy

# v1.0.3

# increase the number of lines - obs RAM consuming

set-option -g history-limit 9000

#v 1.0.4 easier copy paste 

# src: https://leanside.com/2014/01/copy-paste-in-tmux/

setw -g mode-keys vi # vim-style movement

# in normal tmux mode# 

# `tmux prefix + Escape` starts copy mode.

bind Escape copy-mode

# `prefix + p` pastes the latest buffer

bind p paste-buffer 

#

# # in copy mode…

# `v` begins a selection. (movement keys to select the desired bits)

bind -t vi-copy v begin-selection 

# `y` copies the current selection to one of tmux's "paste buffers"

bind -t vi-copy y copy-selection 

# `V` changes between line- and columnwise selection

bind -t vi-copy V rectangle-toggle 

# when in copy mode act like vim for Yanking

bind -t vi-copy Y copy-end-of-line 

# ?!

bind + delete-buffer

# v1.0.5 

# enable search results highlighting in copy mode

# src: https://github.com/tmux-plugins/tmux-copycat

# install by : <<prefix> , I

set -g @plugin 'tmux-plugins/tmux-copycat'

# v1.0.5 

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)

# src: https://github.com/tmux-plugins/tpm

run '~/.tmux/plugins/tpm/tpm'

#

#

# Usage: 

# ---------------------------------------------------------

# place into your ~/.tmux.conf

# reload by :

# <<prefix>>, :source-file ~/.tmux.conf when in tmux session

#

# reload plugings by: 

# Ctrl + J, U

#

# v1.0.6

# A short cheat-sheet

# tmux sessions management

# tmux new -s sess-name

# tmux attach -t sess-name

#

# those requie <<prefix>> 

# :new<CR>  new session

# s  list sessions

# $  name session

# 

# tmux windows handling

# c     new window

# ,     name window

# w     list windows

# f     find window

# &     kill window

# q      show windows numbers

# x      kill window

# 

# VersionHistory

# ---------------------------------------------------------

# export version=1.0.6

# ---------------------------------------------------------

# 1.0.6 -- 2016-08-23 23:12:29 -- ysg -- added cheat-sheet

# 1.0.5 -- 2016-08-23 22:04:23 -- ysg -- search highlight with plugins

# 1.0.4 -- 2016-08-17 08:38:02 -- ysg -- easier copy paste

# 1.0.3 -- 2016-07-20 09:34:18 -- ysg -- vi copy mode

# 1.0.2 -- 2016-07-20 09:28:18 -- ysg -- vi copy mode

# 1.0.1 -- 2016-07-12 23:29:33 -- ysg -- Ctrl + J as prefix 

# 1.0.0 -- 2016-07-12 23:29:10 -- ysg -- orginal version

#

# eof file: ~/.tmux.conf

oracle virtual box cheat sheet

#file: docs/cheat-sheets/vbox/vbox-cheat-sheet.sh

# how-to start a vm without ui  

VBoxManage startvm "vm_name" --type headless

# how-to save the current state of the vm 

VBoxManage controlvm "vm_name"  savestate

# how-to start a vm with ui  

VBoxManage startvm "vm_name"

# how-to shutdown a vm

VBoxManage controlvm "vm_name" poweroff

# add port forwarding from host to guest

VBoxManage modifyvm "vm_name" --natpf1 "5001,tcp,,5001,,5001"

#how-to check network settings 

VBoxManage showvminfo "vm_name" | grep NIC

:: how-to export all myy Virtual box vms in Windows in the current dir in cmd

for /f "tokens=1 delims= " %i in ('VBoxManage list vms') do VBoxManage export %i -o %i.ova

#how-to resize the virtual disk

VBoxManage modifyhd "C:\Users\ysg\VirtualBox VMs\lp-host\lp-host-disk1.vmdk" --resize 20000

#you reserved too little space during installation ?! No problem resize the virtual disk :

VBoxManage clonehd "C:\Users\ysg\VirtualBox VMs\lp-host\lp-host-disk1.vmdk" "C:\Users\ysg\VirtualBox VMs\lp-host\lp-host-disk.vdi" --format vdi

VBoxManage modifyhd "C:\Users\ysg\VirtualBox VMs\lp-host\lp-host-disk.vdi" --resize 20480

#

# ---------------------------------------------------------

#    VersionHistory: 

# ---------------------------------------------------------

# export version=1.0.0

# ---------------------------------------------------------

# 2016-08-05 09:42:26 -- ysg -- Initial version

# ---------------------------------------------------------

#eof file: docs/cheat-sheets/vbox/vbox-cheat-sheet.sh

list of good chrome extensions

1. force background tab
2. Ctrl + PgDown and Ctrl + PgUp to move tabs
3. new tab at the end
4. might text - sms from computer
5. gliffy diagrams
6. window resizer - emulate different phone screens for html development
7. tabman tabs manager - Alt + Z , start typing to search your open tab , click with mouse to select the desired one ...
8. quick tabs - cconfigure Ctrl + E to trigger the extension Chrome , Settings , Keyboard Options