Archive for March, 2010

Edit and create deb package

1. Unpack the Deb with the following line
mkdir temp; dpkg-deb –extract mypack.deb temp

What is being done to the left of the, is to create a directory
where temporary unpacking the deb. On the right, is specified
that unpacking the deb in the directory you created earlier.

2. Now extracting control package temporary / DEBIAN with the following line:
dpkg-deb –control mypack.deb temp/DEBIAN

3. Now edit the temporary file / DEBIAN / control changes fights that we want.

4. The repackaging. Deb with the following line:
dpkg –build temp; get your new pack.deb

5. Now we can install our new package with the command
sudo dpkg -i mypack.deb

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Install Duplicity on Linux(CentOS)

Duplicity backs directories by producing encrypted tar-format volumes
and uploading them to a remote or local file server.

Firstly, enable two important repo
http://www.linuxdict.com/2009-06-enable-two-important-repo-for-centos-5

Secondly, install Duplicity
$sudo yum install -y duplicity

Finally, Use it.
$duplicity –help

Following is a short tutorial
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Install and set up Adobe Flex SDK on linux

1. Install JDK

2. Download Adobe Flex SDK (Free Adobe Flex SDK)
http://opensource.adobe.com/wiki/display/flexsdk/Downloads

3. if run as root, you can create directory in /opt/flexsdk or other places
cd /opt/flexsdk
unzip ~/flex_sdk_4.0.0.14159.zip
if work as normal user
mkdir ~/flexsdk
cd ~/flexsdk
unzip ~/flex_sdk_4.0.0.14159.zip

4. change the variables
vi ~/.bashrc
#add the following lines
export PATH=$PATH:/opt/flexsdk/bin:~/flexsdk/bin
. ~/.bashrc

5. Test
$mxmlc –help
Adobe Flex Compiler (mxmlc)
Version 4.0.0 build 14159
Copyright (c) 2004-2009 Adobe Systems, Inc. All rights reserved.

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Resolve and Caching with Bind9 Nameserver

Needs:
We are required to resolve our internal domains on a local nameserver and external (Internet) domains from ISP’s nameserver. There are different solutions to this problem, but in this howto, we are going to solve it through configuring a combination of caching-nameserver and BIND 9.

Installation:
$yum install caching-nameserver bind*
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Show the Bash History with date

echo 'export HISTTIMEFORMAT="%d/%m/%y %T "' >> ~/.bash_profile

Finished 🙂
run history command, the output should looks like the following.
1014 12/03/10 01:13:44 who -r
1015 12/03/10 01:13:45 history

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