Tmux Tips

Tmux Tips

Tmux copy to ClipBoard

- ctrl + b, [ :Enter To Copy Mode
- Move Start/End with Arrow KEY
- ctrl + space :Start select hi-light
- alt + w :Copy To ClipBoard
- ctrl +b, ] :Paste

Tmux Create New windows

- ctrl + b, c :Create New Windows Terminal
- ctrl + b, n :Next Windows
- ctrl + b, 0-n :Select Windows by Number
- ctrl + b, w :List Windows Terminal

Tmux split panes

- ctrl + b, % :Split Vertical
- ctrl + b, " :Split Horizontal

SEND HTTP POST request using UTL_HTTP in Oracle Database 11G

grant execute on utl_http to wc
grant execute on dbms_lock to wc;

BEGIN
  DBMS_NETWORK_ACL_ADMIN.create_acl (
    acl          => 'local_test_acl_file.xml', 
    description  => 'A test of the ACL functionality',
    principal    => 'WC',
    is_grant     => TRUE, 
    privilege    => 'connect',
    start_date   => SYSTIMESTAMP,
    end_date     => NULL);
end;
/

begin
  DBMS_NETWORK_ACL_ADMIN.assign_acl (
    acl         => 'local_test_acl_file.xml',
    host        => 'ws.domain.local', 
    lower_port  => 5000,
    upper_port  => NULL);    
end;
/


create or replace
procedure send_post_requests
( p_string in varchar2
, p_number in number
) is
  req utl_http.req;
  res utl_http.resp;
  url varchar2(4000) := 'http://ws.domain.local:5000/test';
  name varchar2(4000);
  buffer varchar2(4000); 
  content varchar2(4000) := '{
"string_type":"'||p_string||'",
"number_type":"'||p_number||'"
}';

begin
  req := utl_http.begin_request(url, 'POST',' HTTP/1.1');
  utl_http.set_header(req, 'user-agent', 'mozilla/4.0'); 
  utl_http.set_header(req, 'content-type', 'application/json'); 
  utl_http.set_header(req, 'Content-Length', length(content));

  utl_http.write_text(req, content);
  res := utl_http.get_response(req);
  -- process the response from the HTTP call
  begin
    loop
      utl_http.read_line(res, buffer);
      dbms_output.put_line(buffer);
    end loop;
    utl_http.end_response(res);
  exception
    when utl_http.end_of_body 
    then
      utl_http.end_response(res);
  end;
end send_post_requests;
/

begin
   send_post_requests('stringggggggg', 123456789);
end;
/

drop procedure send_post_requests;

begin
   DBMS_NETWORK_ACL_ADMIN.UNASSIGN_ACL(
     host        => 'tko.nida.local',
     lower_port  => 5000);
end;
/ 

begin
   DBMS_NETWORK_ACL_ADMIN.DROP_ACL(
      acl => 'local_test_acl_file.xml');
end;

/

Python flask run with ssl

flask run --cert dev.crt --key dev.key

Example Python Decorator

ex.1

====

from functools import wraps
from flask import request, jsonify

def token_admin_required(f):
    @wraps(f)
    def decorated(*agrs, **kwagrs):

        token = None

        if 'X-API-KEY' in request.headers:
            token = request.headers['X-API-KEY']

        if not token:
            return jsonify({'message': 'Token is missing.'})

        if token != 'token-key':
            return jsonify({'message': 'Your Token is Wrong or Invalid'})

       # check token
        # print('TOKEN: {}'.format(token) )
        return f(*agrs, **kwagrs)

    return decorated

ex.2

====

import time

import datetime

def decorators(f):

    def wrappers(*args, **kwargs):

        print('Before')

        ret = f(*args, **kwargs)

        print('After')

        return ret

    return wrappers

def timer(f):

    def wrappers(*args, **kwargs):

        before = time.time()

        ret = f(*args, **kwargs)

        print("Function took: ", time.time() - before, "second")

        return ret

    return wrappers

def logger(func):

    def wrappers(*args, **kwargs):

        with open('log.txt', 'a') as f:

            f.write("called function with " + " ".join(

                [str(arg) for arg in args]) + " at " + str(datetime.datetime.now()) + "\n")

            ret = func(*args, **kwargs)

            return ret

    return wrappers

@logger

def add(a, b):

    return a + b

print(add(3, 4))

MongoDB --auth Mode with Docker

#create volume mongo-auth
docker create volume --name mongo-auth

​#Start Container id with option --auth:
​docker run -d --name mongo_auth -p 27017:27017 -v mongo-auth:/data/db mongo --auth
docker exec -it container_id mongo admin

#Add administrator user for "admin" database
db.createUser({ user: 'admin', pwd: 'password', roles: [ { role: "userAdminAnyDatabase", db: "admin" } ] });

#Logout and Login Again with user/password
docker exec -it container_id mongo -u username databasename
ex.

docker exec -it container_id mongo -u admin admin

#Create News Database

use NEWDB

#Add AD admin user for "NEWDB" database
db.createUser({ user: 'app', pwd: 'password', roles: ["readWrite", "dbAdmin"] });

#Login New Mongo DB with user Authentication
​docker exec -it Container_ID mongo -u database_username  DatabaseName​
ex.

​docker exec -it Container_ID mongo -u app NEWDB​

Force start Oracle Goldengate Replicat from Sequence Number

Force start Oracle Goldengate Replicat from Goldengate Sequence Number

error:

OGG-00446 No data selecting position from checkpoint table GGATE.CHECKPOINTTABLE for group


REPLICAT   RMEIS     Last Started 2019-08-26 17:11   Status ABENDED
Checkpoint Lag       00:00:00 (updated 01:09:02 ago)
Log Read Checkpoint  File /data/ggate/dirdat/MEIS/rm000005
                     2019-08-27 09:37:19.154883  RBA 46919569

alter RMEIS extseqno 000005 extrba 46919569

VIM Setting Example

setup vundle

git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim

edit .vimrc

set nocompatible
syntax on
"enable syntax

set tabstop=4
set shiftwidth=4
set softtabstop=4
set expandtab
colorscheme monokai
set visualbell

" enable line Number
set number

"show hiden charactor
set list

" turn relative line numbers on
set rnu
set paste
set cursorline

set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'
Plugin 'vim-airline/vim-airline'
Plugin 'tpope/vim-surround'
Plugin 'scrooloose/nerdtree'
Plugin 'sickill/vim-monokai'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'Yggdroot/indentLine'

call vundle#end()

set autoindent
set smartindent

filetype plugin indent on


"disable arrows keys

nnoremap <up> <nop>
nnoremap <down> <nop>
nnoremap <left> <nop>
nnoremap <right> <nop>

inoremap <up> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>

" enable AirlineColorscheme bubblegum 
let g:airline_theme='bubblegum'

" Windows move shortcut
map <C-h> :call WinMove('h')<cr>
map <C-j> :call WinMove('j')<cr>
map <C-k> :call WinMove('k')<cr>
map <C-l> :call WinMove('l')<cr>

" Window movement shortcuts
" move to the window in the direction shown, or create a new window
function! WinMove(key)
    let t:curwin = winnr()
    exec "wincmd ".a:key
    if (t:curwin == winnr())
        if (match(a:key,'[jk]'))
            wincmd v
        else
            wincmd s
        endif
        exec "wincmd ".a:key
    endif

endfunction


Install ColorScheme Monokai
mkdir ~/.vim/colors
cd ~/.vim/colors
ln -s ./../bundle/vim-monokai/colors/monokai.vim monokai.vim

:PluginInstall