Going to FUDCon Pune

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Just got my visa. See you all there!
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Adding simple popup to Plone frontpage

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Here is a little guide for those who want to add a simple popup to the Plone frontpage for some purpose (eg: announcements, advertisements, etc).

Create a basic html file containing the content you want to appear in the popup. Upload it into $PLONE_SITE/portal_skins/custom (as Page Template) and for the sake of this example, name it popup.html

Afterward, create a Javascript file with your Pop-Up loader script. For example , this script:


function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(href, windowname, 'width=220,height=400,scrollbars=no');
return false;
};

popup('popup.html', 'My Popup');


Also upload this file into $PLONE_SITE/portal_skins/custom (as Page Template too). For this example, name it as popup.js

Afterward, in $PLONE_SITE/portal_javascripts , add popup.js as a new script into portal_javascripts…
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Tee'ing Python subprocess.Popen output

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A little hack for python coders out there who wanted to have a functionality similar to the unix's tee command for redirecting output to multiple places.


import sys
from subprocess import Popen,PIPE
p = Popen(['put','command','and','arguments','here'],stdout=PIPE)

while True:
o = p.stdout.readline()
if o == '' and p.poll() != None: break
# the 'o' variable stores a line from the command's stdout
# do anything u wish with the 'o' variable here
# this loop will break once theres a blank output
# from stdout and the subprocess have ended
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HOWTO: Mirroring Yum repositories using Yum-Utils

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As promised before in one of my previous post, a Howto on how to mirror and manage yum repositories using some of the utilities in yum-utils.

The first step is, well, of course, is to get yum-utils from fedora repository
yum install yum-utils

Reposync
Reposync is a utility for mirroring and synchronizing local copy of a yum/rpmmetadata repository.

This utility is very useful if you wanted to make a yum repository mirror. Before this, I used "wget -R -np -N" but this method is a little bit tedious and it doesnt work with repos that didn't use directory listing. Plus, it also download together additional site stuff that I don't need/want and it doesn't verify checksum of the downloaded packages.

Mirroring a repo using this utility is easy, just execute this command
reposync -r <repoid> -a <arch> -n
and the repo will be mirrored in a folder with the same name of the repoid in the directory you executed the command. Eg: you executed the command in /mnt/storage/mi…
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