1. ubuntu doesn't support Latex automatic package system. they suggest you to manage package manually.
http://tex.stackexchange.com/questions/73116/fresh-install-texlive-2012-ubuntu-12-04-tlmgr-nowhere-to-be-found
2) here is the instruction for Manual management.
Installing packages manually
If a package you desire is not in Ubuntu's repositories, you may look on CTAN's web site or TeX Catalogue Online to see if they have the package. If they do, download the archive containing the files. In this example, we'll install example package foo, contained in foo.tar.gz.
Once foo.tar.gz has finished downloading, we unzip it somewhere in our home directory:
tar xvf foo.tar.gz
This expands to folder foo/. We cd into foo/ and see foo.ins. We now run LaTeX on the file:
latex foo.ins
This will generate foo.sty. We now have to copy this file into the correct location. This can be done in two ways. After these, you can use your new package in your LaTeX document by inserting \usepackage{foo} in the preamble.
User install
We will copy this into our personal texmf tree. The advantages of this solution are that if we migrate our files to a new computer, we will remember to take our texmf tree with us, resulting in keeping the same packages we had. The disadvantages are that if multiple users want to use the same packages, the tree will have to be copied to each user's home folder.
We'll first create the necessary directory structure:
cd ~
mkdir -p texmf/tex/latex/foo
Notice that the final directory created is labeled foo. It is a good idea to name directories after the packages they contain. The -p attribute to mkdir tells it to create all the necessary directories, since they don't exist. Now, using either the terminal, or the file manager, copy foo.sty into the directory labeled foo.
Now, we must make LaTeX recognize the new package:
texhash ~/texmf
System install
We will copy the foo to the LaTeX system tree. The advantages are that every user on the computer can access these files. The disadvantages are, that the method uses superuser privileges, and in a possible reformat/reinstall you have to repeat the procedure.
First, go to the folder your foo is located. The following commands will create a new directory for your files and copy it to the new folder:
sudo mkdir /usr/share/texmf/tex/latex/foo
sudo cp foo.sty /usr/share/texmf/tex/latex/foo
Then update the LaTeX package cache:
sudo texhash
Tuesday, April 1, 2014
Wednesday, March 26, 2014
Sunday, March 23, 2014
how to debug a Maven project
use remote debugging
mvn exec:exec -Dexec.executable="java" -Dexec.args="-classpath %classpath -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=1044 com.mycompany.app.App"
Then in your eclipse, you can use remote debugging and attach the debugger to localhost:1044.
mvn exec:exec -Dexec.executable="java" -Dexec.args="-classpath %classpath -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=1044 com.mycompany.app.App"
Then in your eclipse, you can use remote debugging and attach the debugger to localhost:1044.
Tuesday, February 4, 2014
chkconfig replavement in Ubuntu
http://www.debuntu.org/how-to-managing-services-with-update-rc-d/
How-To: Managing Services With Update-Rc.D
Posted by chantra on July 5th, 2007
Wednesday, January 29, 2014
Configuring Supermicro IPMI interface NIC using ipmitool
Newer Supermicro IPMI interfaces come configured by default in
“failover” mode which means that the IPMI will bind to either the
dedicated IPMI NIC port or share with one the the machine NIC ports.
This can cause IPMI to come up on wrong NIC and hence be inaccessible if the dedicated NIC doesn’t detect a link.
You can use ipmitool to change this behavour
First query the current setting:
The result will be one of the following
Next to configure it you can use one of the following.
For older models:
For X9 motherboards:
References for this can be found here:
http://www.supermicro.com/support/faqs/faq.cfm?faq=9829
http://www.supermicro.com/support/faqs/faq.cfm?faq=14417
This can cause IPMI to come up on wrong NIC and hence be inaccessible if the dedicated NIC doesn’t detect a link.
You can use ipmitool to change this behavour
First query the current setting:
ipmitool raw 0x30 0x70 0x0c 0The result will be one of the following
0x00 = Dedicated
0x01 = Onboard / Shared
0x02 = Failover
Next to configure it you can use one of the following.
For older models:
ipmitool raw 0x30 0x70 0x0c 1 1 0For X9 motherboards:
ipmitool raw 0x30 0x70 0x0c 1 0References for this can be found here:
http://www.supermicro.com/support/faqs/faq.cfm?faq=9829
http://www.supermicro.com/support/faqs/faq.cfm?faq=14417
Thursday, January 23, 2014
eth* and em*
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/appe-Consistent_Network_Device_Naming.html
Monday, January 13, 2014
Difference bewteen Pylab and pyplot
Matplotlib is the whole package; pylab is a module in matplotlib that gets installed alongsidematplotlib; and matplotlib.pyplot is a module in matplotlib.
Pyplot provides the state-machine interface to the underlying plotting library in matplotlib. This means that figures and axes are implicitly and automatically created to achieve the desired plot. For example, calling plot from pyplot will automatically create the necessary figure and axes to achieve the desired plot. Setting a title will then automatically set that title to the current axes object:
Pylab combines the pyplot functionality (for plotting) with the numpy functionality (for mathematics and for working with arrays) in a single namespace, making that namespace (or environment) even more MATLAB-like. For example, one can call the sin and cos functions just like you could in MATLAB, as well as having all the features of pyplot.
The pyplot interface is generally preferred for non-interactive plotting (i.e., scripting). Thepylab interface is convenient for interactive calculations and plotting, as it minimizes typing. Note that this is what you get if you use the ipython shell with the -pylab option, which imports everything from pylab and makes plotting fully interactive.
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