Simply run:
apt-get install memtest86+
It will install memtest and reconfigure the menu.
Category Archives: python
Python: round float while logging
# python >>> x = 3.1415926 >>> format(x, '.2f') '3.14'
Fixing ‘src/lxml/etree_defs.h:14:31: fatal error: libxml/xmlversion.h: No such file or directory’
You can get this error if you try to install lxml library:
As simple as:
yum install libxslt-devel libxml2-devel
for Centos or
apt-get install libxml2-dev libxslt1-dev
for Ubuntu.
How to serve file via HTTP in 1 min
python -m SimpleHTTPServer 8080
It will serve current directory accessible via HTTP on port 8080.
Python: disabling deprecation warning
DeprecationWarning: Python 2.6 is no longer supported by the Python core team, please upgrade your Python.
If you get this deprecation warning and you can’t upgrade to a newer Python version, it’s possible to disable this warning:
import warnings
warnings.filterwarnings("ignore", category=DeprecationWarning)
Using Python Requests 2.2.1 with SNI
Server-Name-Indication, or SNI, is an official extension to SSL where the client tells the server what hostname it is contacting. It allows to host multiple SSL enabled website on one IP. To get SNI working with requests 2.2.1 you would need the following steps.
To install next packages:
If it works for you, that’s great. But if doesn’t, you might want to make sure:
- you have pyOpenSSL >= 0.13 (if you install it with apt-get or yum you need to remove that version and to reinstall it with pip)
- you also have python-devel
- you have libffi and libffi-devel
Once you have all these packages you should be able to use Requests which is able to talk to SNI enabled servers.
Python: converting pyc file to source code
sudo yum install cmake git clone https://github.com/zrax/pycdc.git cd pycdc cmake ./ make ./pycdc app.pyc > app.py
How to fix ‘ImportError: No module named setuptools’ error on Ubuntu
If you get this error while trying to install some Python package it simply means that you don’t have setuptools module. To install it run:
sudo apt-get install python-setuptools
Now you can proceed.
Django 1.5 released
How to send a message over Jabber from Python
Sending a message over Jabber from Python is a simple task. Let’s install Python Jabber/XMPP implementation called pyxmpp2:
python-pip install pyxmpp2
Now download client example:
wget https://raw.github.com/Jajcus/pyxmpp2/master/examples/send_message_client.py
And run:
python send_message_client.py
After you enter all data a message will be sent.