Python get supervisord process Info

import xmlrpclib
server = xmlrpclib.Server('http://localhost:9001/RPC2')
status_response = server.supervisor.getAllProcessInfo()
print status_response

References :
XML-RPC API Documentation — Supervisor 3.1.3 documentation

Python get gearman job queue status

import gearman
gm_admin_client = gearman.GearmanAdminClient(['localhost:4730'])
status_response = gm_admin_client.get_status()
print status_response

References :
1.3. gearman.admin_client — Gearman Admin client — python-gearman v2.0.2 documentation

FAN - Fully Automated Nagios

比較 :
OMD - Open Monitoring Distribution
Integrated tools :

• Nagios : core monitoring application;

• Nagios plug-ins : plug-ins to monitor different equipments;
• Centreon : Web interface for Nagios (Centreon is one of the best for this purpose!);
• NagVis : advanced mapping (geographical, functional, by services…);
• NDOUtils : stores the Nagios data into a MySQL database;
• NRPE : makes it possible to monitor the Windows servers (the NRPE daemon is not provided);
• NaReTo (Nagios Reporting Tools): reporting tool (availability report).

FAN « Fully Automated Nagios

OMD - Open Monitoring Distribution

比較 ：
FAN - Fully Automated Nagios

OMD 包含軟體 ：

• Nagios
  • Monitoring Plugins (Former known as Nagios-Plugins)
  • nsca
  • check_nrpe
• Icinga
• Shinken
• NagVis
• pnp4nagios
• rrdtool/rrdcached
• Check_MK
• MK Livestatus
• Multisite
• Dokuwiki
• Thruk
• Mod-Gearman
• check_logfiles
• check_oracle_health
• check_mysql_health
• jmx4perl
• check_webinject
• check_multi

改進功能：
Livestatus and Livecheck

OMD Architecture :

References :
Open Monitoring Distribution
The Check_MK Monitoring System
Best Monitoring Solution - OMD (Nagios + Check_MK) | IT on Demand

Thruk

功能：
Multibackend monitoring webinterface

支援監控軟體：
Naemon, Nagios, Icinga, Shinken

Backend 協定：
Livestatus API




References :
Thruk Monitoring Webinterface

Nagios NagVis

功能：
使用地圖、拓撲圖、機櫃圖等背景照片顯示 Nagios 監控的主機狀態

支援的 Backends 協定：
mklivestatus, ndomy, ndo2fs, merlinmy

設定檔位置：
/etc/nagvis/nagvis.ini.php




References :
Backends
Use Shinken with Nagvis — Shinken Manual 2.2-RC1 documentation
[转]安装使用Nagvis插件 - OneCMDB中文

Composer - PHP Dependency Manager

Composer - PHP Dependency Manager

https://getcomposer.org/

安裝 Composer

$ curl -sS https://getcomposer.org/installer | php
$ ls composer.phar

安裝 Composer 管理的專案

Composer 會讀取 composer.json 設定檔，並將函式庫安裝在 vendor/ 資料夾

$ php composer.phar install

aplay : unable to open slave

設定預設音效裝置

$ aplay -l

card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog]
  Subdevices: 1/1
  Subdevice #1: subdevice #0

一般爲 Analog 那一個 

# vi /etc/asound.conf
defaluts.pcm.card 1
defaults.pcm.device 0
defaults.ctl.card 1

pcm.!default {
    type plug
    slave.pcm "hw:1,0"
}

References :
ALSA で snd_pcm_dmix_open が unable to open slave になる場合 | 衣谷止の開発日誌

FullCalendar event background color

1. 在 event 指定 backgroundColor

backgroundColor: '#ED1317'

php - change the background color of the events in FullCalendar - Stack Overflow


2. 使用 CSS 修改

$(this).css('border-color', 'red');

eventClick - Documentation | FullCalendar

PHP echo json_encode error

Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at )


origin :

...
echo json_encode($myarray);

fix :

...
header("Content-type: application/json; charset=utf-8");
echo json_encode($myarray);
die;

References :
Output.php with compress_output = true, always calls ob_start(‘ob_gzhandler’) causing warning with ajax / Forums / Community / EllisLab

fullcalendar rerender new calendar

function rerender_calendar(id, url)
{
    // clear all event
    $('#' + id).fullCalendar('removeEvents');

    // render new event
    $('#' + id).fullCalendar('addEventSource', url);
}

References :
javascript - rerendering events in fullCalendar after Ajax database update - Stack Overflow
removeEvents - Documentation | FullCalendar

MySQL trailing white spaces and new line

mysql> UPDATE FOO set FIELD2 = TRIM(Replace(Replace(Replace(FIELD2,'\t',''),'\n',''),'\r',''));

References :
MySQL - how to remove white space in a mysql field - Stack Overflow

Bonfire flash message

在 Controller 裏 Template::render 前使用 set_message：

Template::set_message('Your message displayed just fine.', 'success');

在 View 裏，欲顯示通知訊息的地方加入：

echo Template::message();

另一種手動的方法爲：

Controller :

$message['type'] = 'success';
$message['message'] = 'Your message displayed just fine.';
Template::set('message', $message);

View :

 <div class="alert alert-block alert-{type} fade in notification">
    <a data-dismiss="alert" class="close" href="#">×</a>
    <div>{message}</div>
</div>

 
References :
Docs - My Bonfire
Template::message problem - Bonfire Forums

git push to non bare repository

$ git config --bool receive.denyCurrentBranch false

$ vi .git/hooks/post-receive

# Update working tree after receiving pushed branch
echo "*****************************************************"
echo "Post-receive hook: updating remote working directory"
echo "*****************************************************"
cd ..

env -i git reset --hard

$ chmod +x .git/hooks/post-receive

References :
Quick 'n' Dirty Git Deployment

JavaScript count checkbox checked

alert(document.querySelectorAll('input[type="checkbox"]:checked').length);

alert(document.querySelectorAll('input[name="selectItem[]"]:checked').length);

References :
javascript - Count the number of checked checkboxes in html - Stack Overflow

MySQL [Errno 24] Too many open files 錯誤

References :
mysql too many open files | 丫忠的伺服器
Can't open file: (errno: 24) - 风生水起 - 博客园

python profiling tools

Python Call Graph

# pip install pycallgraph$ pycallgraph graphviz -- ./mypythonscript.py

References :
performance - How can you profile a Python script? - Stack Overflow

symbol EC_GFp_nistp521_method, version OPENSSL_1.0.1 not defined in file libcrypto.so.1.0.0 with link time reference

# /etc/init.d/carbon-cache restart

cffi.ffiplatform.VerificationError: importing '/usr/lib/python2.7/dist-packages/cryptography/_Cryptography_cffi_36a40ff0x2bad1bae.x86_64-linux-gnu.so': /usr/lib/python2.7/dist-packages/cryptography/_Cryptography_cffi_36a40ff0x2bad1bae.x86_64-linux-gnu.so: symbol EC_GFp_nistp521_method, version OPENSSL_1.0.1 not defined in file libcrypto.so.1.0.0 with link time reference

# apt-get install libssl1.0.0

Python logging level

Level	Numeric value
CRITICAL	50
ERROR	40
WARNING	30
INFO	20
DEBUG	10
NOTSET	0

References :
15.7. logging — Logging facility for Python — Python 2.7.9rc1 documentation

Python unittest example

Example :

http://pymbook.readthedocs.org/en/latest/testing.html

Run Test :

$ python -m unittest discover -v -s -p '*_test.py'

References :
how to run all Python unit tests in a directory - Stack Overflow

error while loading shared libraries: libhunspell.so: cannot open shared object file: No such file or directory

# ln -s /usr/lib/x86_64-linux-gnu/libhunspell-1.3.so.0.0.0 /usr/lib/x86_64-linux-gnu/libhunspell.so