XRDP on ubuntu

$ sudo apt-get install libpam0g-dev

$ sudo apt-get install libcurl4-openssl-dev

$ wget http://ncu.dl.sourceforge.net/sourceforge/xrdp/xrdp-0.4.1.tar.gz

$ tar -zxvf xrdp-0.4.1.tar.gz

$ cd xrdp-0.4.1

$ make

$ sudo make install

$ sudo apt-get install tightvncserver # don’t use vino

$ gconftool-2 –type list –list-type=string –set /desktop/gnome/peripherals/keyboard/kbd/layouts [damnlayouts] # map keyboard layout

OR disable the keyboard plugin of the gnome-settings-daemon using gconf-editor:

/apps/gnome_settings_daemon/plugins/keyboard set active to False.

$ sudo nano /etc/xrdp/sesman.ini

change 127.0.0.1 to 0.0.0.0

$ sudo /usr/local/xrdp/xrdp_control.sh start # after reboot

Now, you can remote control your ubuntu via RDC from windows

python interface for libsvm on Leopard with default python

/System/Library/Frameworks/Python.framework/Versions/2.5/bin/python <==origin python

modified Makefile

============================

CXX? = g++

SWIG ?= swig

#Windows: see ../README ../Makefile.win

PYTHON_INCLUDEDIR ?= /System/Library/Frameworks/Python.framework/Versions/2.5/include/python2.5/

CFLAGS = -O3 -I$(PYTHON_INCLUDEDIR) -I..

#LDFLAGS = -shared

# Mac OS

LDFLAGS = -framework Python -bundle

all: svmc.so

svmc.so: svmc_wrap.o svm.o

$(CXX) $(LDFLAGS) -o svmc.so svmc_wrap.o svm.o

svmc_wrap.o: svmc_wrap.c ../svm.h

$(CXX) $(CFLAGS) -fPIC -c svmc_wrap.c

svmc_wrap.c: svmc.i

$(SWIG) -python -noproxy svmc.i

svm.o: ../svm.cpp ../svm.h

$(CXX) $(CFLAGS) -fPIC -c ../svm.cpp

clean:

rm -f *~ *.o *.so *.pyc *.pyo svm.o

moreclean: clean

rm -f svmc_wrap.c

PyQT Installation on OSX

$ sudo port install python25

$ sudo port install python_select
$ sudo python_select python25
$ sudo port install py25-macholib-devel
$ sudo port install py25-sip
$ sudo port install py25-pyqt4
$ sudo port install py25-py2app-devel
$ sudo port install py25-pyqt

# install eric4 u need QScintilla2

$ cd QScintilla 

$ cd Qt4 

$ qmake-mac qscintilla.pro -spec macx-g++ 

make 

sudo make install 

#Python wrapper for QScintilla. 

$ cd QScintilla* 

$ cd Python 

$ python configure.py 

$ make 

$ sudo make install 

Source

Command Alias

$ sudo cp .bashrc .bashrc.bak # backup

$ sudo nano .bashrc # ubuntu

$ sudo nano .bash_profile # mac

add the following:

alias imac=’$ ssh user@ip -p 1234′

alias py3=’/opt/local/Library/Frameworks/Python.framework/Versions/3.0/bin/python3.0′

crontab scheduling

User level

$ crontab -e

# m h  dom mon dow   command

  * 3 * * * /home/user/public_html/xxx

min/hour/day/month/week command

$ /etc/init.d/cron restart

Root level(after restart system)

$ sudo nano /ect/crontab

the same, but add root

$ /etc/init.d/cron restart

Source

Install Python/Numpy from source

command reference only, plz install from port

$ wget http://www.python.org/ftp/python/2.6.2/Python-2.6.2.tgz

$ tar zxvf Python-2.6.2.tgz

$ sudo apt-get install build-essential libncursesw5-dev libreadline5-dev libssl-dev libgdbm-dev libbz2-dev libc6-dev libsqlite3-dev tk-dev

$ cd python-2.6.2

$ ./configure

$ make

$ make install

$ sudo apt-get install python-setuptools

$ svn co http://svn.scipy.org/svn/numpy/trunk numpy

$ cd numpy

$ sudo python setup.py install

$ wget http://nchc.dl.sourceforge.net/sourceforge/scipy/scipy-0.7.0.tar.gz

$ tar zxvf scipy-0.7.0.tar.gz

$ sudo python setup.py install

$ sudo apt-get build-dep matplotlib

$ svn co https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/trunk/matplotlib matplotlib

$ cd matplotlib

$ sudo python setup.py install

Remove macports completely

% sudo rm -rf  the following folders

/opt/local 

/Applications/MacPorts 

/Library/Tcl/macports1.0 

/Library/LaunchDaemons/org.macports.* 

/Library/StartupItems/DarwinPortsStartup

Secured SSH

In client:

ssh-keygen -t rsa

In client:

$ ssh-keygen -t rsa

$ scp -P portNum id_rsa.pub username@ip:~/.ssh/authorized_keys

$ sftp -o PORT=portNum username@ip

Ubuntu configuration

First boot

$ sudo passwd root

$ sudo apt-get update

Common command

$ rm -r  folder_name #del a folder

$ mv -f  from_folder   to_folder #move a folder

$ wget -r ftp://name:pwd@ip/path/ # retrieve a folder

Install SSH Server

$ sudo apt-get install ssh

$ sudo nano /etc/ssh/sshd_config

change PermitRootLogin no

add AllowUsers  USERNAME

$ sudo /etc/init.d/ssh  restart

$ ssh  userName@IP  -p portNumber

Install Proftpd

$ sudo apt-get install proftpd

$ sudo nano /etc/proftpd/proftpd.conf

Change ServerName

change DefaultRoot ~

add the following tow lines after “ShowSymlinks off”

UseReverseDNS off 

IdentLookups off 

$ sudo /etc/init.d/proftpd restart 

Add a port (20/21) for proftpd

$ sudo iptables -A INPUT -i ppp0 -p tcp –dport 20 -j ACCEPT

$ sudo /etc/init.d/proftpd restart

Install Apache2, MySQL and PHP5

$ sudo  apt-get  install  apache2  apache2-mpm-prefork

$ sudo  apt-get  install  php5  libapache2-mod-php5  php5-cli  php5-dev  php5-gd  php5-imagick  php5-mcrypt  php5-xmlrpc

$ sudo  apt-get  install  mysql-server  libapache2-mod-auth-mysql  php5-mysql

Open personal website

$ sudo a2enmod userdir

$ sudo /etc/init.d/apache2 restart

# do not list your directory

$ sudo nano /etc/apache2/sites-available/default # Global

$ sudo nano /etc/apache2/mods-available/userdir.conf # local

remove Indexes from option (global and local)!! 

# add new error pages

sudo nano /etc/apache2/apache2.conf # ctrl+w 404

Install scipy and matplotlib

$ sudo apt-get install python-scipy python-matplotlib python-matplotlib-doc

Install ncftp

$ sudo apt-get install ncftp

$ ncftp -u username hostname -p #login

$ get -r foldername #download

$ ncftpput -u username hostname remotefoldername localfoldername #upload

$ rm -r foldername # del a folder

$ rename file (or folder name)

Install Latex and CJK

$ sudo apt-get install texlive texlive-doc-en texlive-doc-zh texlive-latex* latex-cjk-chinese*

$ sudo apt-get install latex-beamer

$ sudo apt-get install kile

Install SVN

$ sudo apt-get install subversion

Matplot installation and examples

Source

Note:

After installation, you have to set the backend of matplot

First, change the permission by sudo chmod +w, and then edit the file by nano.

/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/matplotlib/mpl-data/matplotlibrc

Finally, select the backend as TkAgg

Example:

import pylab as plt

a = plt.randn(10000)

plt.hist(a,100)