Linux Workstation

Digital signage solution Smart TV become digital signage032Qgkme - 邀请您查看

2016-11-01T11:07:00.001-07:00

Digital signage solution/rgy Smart TV become digital signage/rgy邀请您查看以下共享文件夹：

Digital signage solution Smart TV become digital signage032Qgkme

Dear Sirs,

From internet we know you are leading on AV/TV product reseller field.

Sysview is a digital signage software, capable change your existing smart TV to a digital signage . Sysview features following :

Value add
Based on your existing smart TV, no need buy any hardware
Easy use
No need install any hardware or software ,everyone can do.
Setup your own brand easily
White label or your re-brand, depend on your choice
Easy management
Multi levels account and authority , make manage up to 1000 screens easily
Cost friendly
One time charge, No monthly/Annual Fees

90 days free trial account is available now.

Try this freely now.

Best Regards

Anna Wang
Manager | Sales department No.3 Section
Nanshan, Shenzhen, China

打开

这封邮件会授予收件人无需登录即可使用此项内容的权利。请确保转发对象是您信任的人。

Google云端硬盘：随时随地在任意设备上使用自己的所有文件。
Google Inc. 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA

Digital signage solution Smart TV become digital signage257rreRs - 邀请您查看

2016-10-21T22:10:00.001-07:00

Digital signage solution/rgy Smart TV become digital signage/rgy邀请您查看以下共享文件夹：

Digital signage solution Smart TV become digital signage257rreRs

打开

这封邮件会授予收件人无需登录即可使用此项内容的权利。请确保转发对象是您信任的人。

Google云端硬盘：随时随地在任意设备上使用自己的所有文件。
Google Inc. 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA

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2016-05-21T15:04:00.001-07:00

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Hardware dependent digital signage software与您共享了相册。

2016-05-14T13:32:00.001-07:00

邀请您观看 Hardware dependent digital signage software 的相册： ggggggggggg

ggggggggggg

2016年1月23日
提供者：Hardware dependent digital signage software

查看相册
播放幻灯片

来自 Hardware dependent digital signage software 的消息：

Dear Sirs,

I am a sales manager at SYS Tech , a company focus on digital signage solution.

Our digital signage software systemsign2000 features as following :

SaaS based
Hardware dependent
No monthly/Annual Fees
Manage centralized from any device(PC/Tablet/Phone),using any operation system
Multi Media & Multi Windows Presentation
Easy Template Creation
Local and Central Scheduling
Content Update
Powerful Remote Management

90 days free trial account is available now. Welcome contact us to get trial account .

Best Regards

Anna Wang
Manager | Sales department No.3 Section
Tsinghua Hi-Tech Park, Nanshan, Shenzhen, China

如果您在阅读此电子邮件时出现问题，请将以下地址复制并粘贴到您的浏览器中：
https://picasaweb.google.com/lh/sredir?uname=113114097947874642708&target=ALBUM&id=6273915426298440625&authkey=Gv1sRgCNeHmunxt7z0Mw&invite=CJ38nsgP&feat=email

要分享您的照片或在朋友与您分享照片时收到通知，请获取属于您自己的免费 Picasa 网络相册帐户。

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How to Use Swap in Ubuntu ?

2013-01-25T19:17:00.000-08:00

You can always create swap file

by imaginestudio repository

To add more swap space. This is not same (in every aspect) as swap partition but it will be easy and dynamic.

Change /media/fasthdd/swapfile.img to anything you like, for example it can be /swap.img as well. /media/fasthdd/swapfile.img is just example filename, if you are using this one then of course there must be directory /media/fasthdd/ with enough free space for your new swap file.

Use any of terminal applications to run commands. All command should be run with root privileges, to do this you can either add sudo to beginning of every command or run sudo bash before running commands.

1. Create empty file:
This file will contain virtual memory contents so make file big enough for your needs. This one will create 1Gb file which means +1Gb swap space for your system:

dd if=/dev/zero of=/media/fasthdd/swapfile.img bs=1024 count=1M

If you want to make 3Gb file then change count value to count=3M. See man dd for more information.

2. Bake swap file:
Following command is going to make "swap filesystem" inside your fresh swap file.

mkswap /media/fasthdd/swapfile.img

3. Bring up on boot:
To make sure that your new swap space is activated while booting up computer you should add it to filesystem configuration file /etc/fstab. Add it to end of file, this is recommended because other filesystems (at least one that contains swap file) must be mounted in read-write mode before we can access any files.

# Add this line to /etc/fstab  /media/fasthdd/swapfile.img swap swap sw 0 0

4. Activate:
You can either reboot your computer or activate new swap file by hand with following command:

swapon /media/fasthdd/swapfile.img

If everything goes well

you should see that more swap space is available for use. You can use following commands to check your new swap and confirm that it is active:

cat /proc/swaps    Filename                           Type       Size    Used    Priority    /media/fasthdd/swapfile.img        file       8388604 2724    -1    grep 'Swap' /proc/meminfo    SwapCached:         4772 kB    SwapTotal:       8388604 kB    SwapFree:        8355812 kB

How add new/otherJava Versions in linux

2013-01-19T08:23:00.001-08:00

just download the java( tar.gz files) which you want install in linux

extract that for example:

I have downloaded the Jdk1.7.tar.gz for 64 bit,placed on the opt/local

follow:

ln -s jdk1.7.0 newjava

then edit the profile file and add the following linesat bottom

vi /etc/profile

export JAVA_HOME=/opt/local/newjava
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/jre/lib:$JAVA_HOME/lib:$JAVA_HOME/lib/tools.jar

How do I cleanup temp files Ubuntu?

2013-01-01T09:04:00.000-08:00

Ubuntu software packaging system can accumulate unused packages or temporary files. These temporary files, also called caches, contain package files from all of the packages that you have ever installed. Eventually, this cache can grow quite large. Removing them allows you to reclaim space on your computer's hard drive for storing your documents, music, photographs, or other files.

To clear the cache you can use either the clean or the auto-clean op for a command-line program called apt-get. The clean command will remove every single cached item, while the auto-clean command only removes cached items that can no longer be downloaded (these items are often unnecessary).

To run clean go to Applications --> Accessories --> Terminal and Type

$ sudo apt-get clean

and it will ask password and give the password

packages can also become unused over time. If a package was installed to assist with running another program- and that program was subsequently removed-you no longer need the supporting package. You can remove it with autoremove

Terminal and Type

$ sudo apt-get autoremove

it will remove the unnecessary packages.

How-To: Compile and Install Wine in Ubuntu

2012-12-24T03:46:00.001-08:00

In order to compile Wine from source and install it on Ubuntu, you will only need to follow several easy steps I list below:

1. Enable the sources repositories
Make sure you have a line in the /etc/apt/sources.list file which says something like:

deb-src http://archive.

ubuntu.com/ubuntu hardy main restricted universe multiverse

Next, update the packages list:

sudo apt-get update

2. Install the Wine dependencies
This will also install the build-essential meta package if it's not already installed:

sudo apt-get build-dep wine

3. Download the Wine 1.1.4 source tarball, compile and install
Download the source from the official website (direct link here), uncompress it, change the current working directory to wine-1.1.4 and type the command:

./tools/wineinstall

If the configuration goes smooth, you'll be presented with a message similar to the one below:

configure: Finished. Do 'make depend && make' to compile Wine.

We need to install wine as root user, do you want us to build wine,
'su root' and install Wine? Enter 'no' to continue without installing
(yes/no)

Type no, wait for Wine to be compiled, then use:

sudo make install

To install Wine.

4. Run Wine
Run winecfg as normal user in order to configure it, then use it like wine WIN_APP.EXE in order to start Windows applications. You can see where the binary was installed by typing:

whereis wine

And to see the version:

wine --version

This should be all.

Resources
Wine homepage
Wine applications database

Wine Installetion

Installing the Flash plugin manually

2012-12-22T21:24:00.001-08:00

Go to the Flash Player download page at Adobe.com.
When prompted, save the file (i.e.
install_flash_player_"version"_linux."processor".tar.gz).
At the top of the Firefox window, click on the File menu and select Quit
Open a Terminal window (in Gnome, click on the Applications menu,
select Accessories, and then select Terminal.)

In the Terminal window, change to the directory where you saved
the file you downloaded (e.g. cd /home/user/Downloads).

Extract libflashplayer.so from the file you downloaded with the command

tar -zxvf install_flash_player_"version"_linux."processor".tar.gz.

As the super user, copy the extracted file, libflashplayer.so, to
your Firefox installation directory's plugins sub-directory. For
example, if Firefox is installed in /usr/lib/mozilla, use the command

sudo cp libflashplayer.so /usr/lib/mozilla/plugins

and then enter your super user password when prompted.

Install Tomcat on a Linux Server

2012-12-12T23:53:00.001-08:00

This article walks you through installing Tomcat on your Linux server. This has been tested on a Linux server with Cent OS release 5.5 (Final) and no control panel (e.g., Plesk or cPanel). These instructions were performed with Tomcat 7.0.10. This only applies to Cloud and Dedicated accounts. You can view more information about these account types at http://www.hosting.com/services/platform-services.

Obtain a tarball (.tar.gz) of the latest stable release of Tomcat from http://tomcat.apache.org/ and place it in /usr/local/ on your Linux server. For example, you might run something like this at command prompt on your Linux server.

wget http://www.bizdirusa.com/mirrors/apache/tomcat/tomcat-7/v7.0.10/bin/apache-tomcat-7.0.10.tar.gz

Extract the tarball by running a command similar to the following:

tar -xvzf apache-tomcat-x.x.x.tar.gz (x.x.x is the version of Tomcat you obtained in step 1 above)

Create a symbolic link. The LINK NAME will be Tomcat and the TARGET will be the path of the extracted folder you created in step 2. It may look something like this:

ln -s /usr/local/apache-tomcat-7.0.10 ./tomcat

Run the following command:

export CATALINA_HOME=/usr/local/tomcat

Add the following lines to your /etc/profile file. It will set the CATALINA_HOME variable automatically if the system restarts.

Install the latest stable release of the Java JDK. You can obtain this at http://www.oracle.com/technetwork/java/javase/downloads/index.html.This should be placed into /usr/java/jdkx.x.x_xx (the x's will be your version number).

Run the following command:

export JAVA_HOME=/usr/java/jdk1.6.0_23 (The 1.6.0_23 you should replace with your version of the JDK you installed in Step 6.

Add the following lines to your /etc/profile file. It will set the JAVA_HOME variable automatically if the system restarts. Replace the 1.6.0_02 with your version.

Run the following command to start the Tomcat server:
$CATALINA_HOME/bin/startup.sh

If you obtained any errors on the starting of Tomcat, please review the _ log to resolve those issues. Once those issues are resolved, proceed to step 11.

Verify that the Tomcat server is running by browsing to http://Your_IP_Here:8080/

How to install Tomcat 6 on Ubuntu

2012-12-12T18:02:00.001-08:00

Apache Tomcat is a free and open source software implementation for JavaServlets, providing support for Java Server Pages (JSP). Many popular web-based applications use servlets. You may choose to run Tomcat with either Sun's Java implementation or the OpenJDK implementation of Java.

Because Tomcat version 6 was included in Ubuntu installing a working Tomcat server is reasonably straightforward. However, before we can start installing Tomcat itself, we must first install Java.

First Install Sun Java in ubuntu 9.04 using this tutorial

Install tomcat 6 in ubuntu 9.04

sudo apt-get install tomcat6 tomcat6-admin tomcat6-common tomcat6-user tomcat6-docs tomcat6-examples

This command downloads and install the following packages

tomcat6 : Servlet and JSP engine

tomcat6-admin : Admin web applications

tomcat6-common : Common files

tomcat6-user : Tools to create user instances

tomcat6-docs : Example web applications

tomcat6-examples : Example web applications

To start, stop, restart and get the server status

Start tomcat server

sudo /etc/init.d/tomcat6 start

Stop tomcat server

sudo /etc/init.d/tomcat6 stop

Restart tomcat server

sudo /etc/init.d/tomcat6 restart

Get tomcat server status

sudo /etc/init.d/tomcat6 status

After installation type http://localhost:8080 or http://serverip:8080/examples/servlets/ in your browser.Now you should see tomcat welcome page

* To enable admin web based features add the following lines to your /etc/tomcat6/tomcat-user.xml
<role rolename="manager"/> <role rolename="admin"/> <user name="admin" password="secret_password" roles="manager,admin"/>

* you should be able to see your manage page here http://your_ip_goes_here:8080/manager/html

* log in with the name and password you just set in /etc/tomcat6/tomcat-users.xml

* ls /var/lib/tomcat6 directory.

* you should see these directories conf, logs, webapps, work

* webapps is where your servlets will go ( or at least a xml file that points to them )

* as a test download this war file http://simple.souther.us/SimpleServlet.war

* then use the tomcat management page and select war file to deploy ( in teh deploy section) to upload this file to your server

* optionally just wget http://simple.souther.us/SimpleServlet.war directly to the webapps folder

* tomcat should recognize the war file and expand it with everything you need

* browse to http://serverip:8080/SimpleServlet/

Change tomcat server to run on port 80

If you want to Change tomcat server to run on port 80 follow this procedure

You need to edit the /etc/tomcat6/server.xml file

nano /etc/tomcat6/server.xml

Now replace the part that says Connector port=”8080? with Connector port=”80?

Save and exit the file

Restart tomcat server with the following command

sudo /etc/init.d/tomcat6 restart

Disable Apport Error Report Dialog in Ubuntu 12.04

2012-12-12T06:08:00.001-08:00

In fresh Ubuntu 12.04 installation, it keeps popping up annoying apport error report dialog on every log-in even after sending the error report. This simple tutorial will show you how to disable this dialog in Ubuntu.

Open up terminal from the dash home or press Ctrl+Alt+T, edit “/etc/default/apport” file with this command:

sudo gedit /etc/default/apport

Set enable=0:

enable=0

Save the file, and done!

Ubuntu How to install LBPxxxx canon printers

2012-11-08T01:25:00.000-08:00

Here I explain how to install the Canon LBPxxxx printers in ubuntu

First, download the drivers from here and extract the file.

Then double click on the files and install or type the following command in terminal one by one.

1.sudo dpkg -i cndrvcups-common_2.00-2_i386.deb

2.sudo dpkg -i cndrvcups-capt_2.00-2_i386.deb

Now restart the cups type following commands in terminal

3.sudo /etc/init.d/cups restart

4.sudo /usr/sbin/ccpdadmin -p LBP2900 -o /dev/usb/lp0

Type the following the screen will display printer models

5.ls /usr/share/cups/model/ |grep CNCUPS

here select the printer model for installation

6. /usr/sbin/lpadmin -p LBP2900 -m CNCUPSLBP2900CAPTK.ppd -v ccp:/var/ccpd/fifo0 -E

Now the printer is installed

Then restart ccpd type the following command in terminal

7.sudo /etc/init.d/ccpd start

Set the ccpd at starting the computer type the following

8.sudo update-rc.d ccpd defaults 20

Now the printer works fine in my office .

Disable guest account in ubuntu 12.04 (Precise)

2012-11-08T00:42:00.001-08:00

By default ubuntu 12.04 comes with guest account.You can disable this account using the following procedure.Guest account is a paswordless account which allow users to get access to Ubuntu machine

Open /etc/lightdm/lightdm.conf file from your terminal using the following command

gksudo gedit /etc/lightdm/lightdm.conf

Add the following line

allow-guest=false

Save and exit the file

After adding the above line you should see similar to the following in lightdm.conf file

[SeatDefaults]

user-session=ubuntu

greeter-session=unity-greeter

allow-guest=false

Finally you have to restart lightdm using the following command from your terminal

sudo restart lightdm

Note:- After executing above command all graphical programs running will be closed

Package Installation and Updates

2012-11-02T04:56:00.001-07:00

Apt and Package Basics

Read Add Extra Repositories

Most new users will use the Synaptic Package Manager to install packages. These instructions are for installing packages from the command-line Terminal. Terminal can be started:

Menu -> Applications -> Accessories -> Terminal

Install packages:

sudo apt-get install packagename

Example:

sudo apt-get install mpd sbackup

Remove packages:

sudo apt-get remove packagename

To remove all dependencies:

sudo apt-get autoremove

Example:

sudo apt-get remove mpd sbackup

Search for packages:

apt-cache search <keywords>

Examples:

apt-cache search Music MP3  apt-cache search "Text Editor"

Update the apt package database after adding/removing repositories:

sudo apt-get update

Upgrade packages:

sudo apt-get upgrade

Upgrade the entire distribution (e.g. from Maverick to Natty):

sudo apt-get dist-upgrade

Installing .deb packages

Debian (.deb) packages are the packages that are used in Ubuntu. You can install any .deb package in your system. .deb files can generally be installed from your file manager (Nautilus) merely by clicking on them, since file associations with the default installer is already set in Ubuntu. These instructions are for those who wish to install packages from the command-line terminal (Terminal).

Install a downloaded Debian (Ubuntu) package (.deb):

sudo dpkg -i packagename.deb

Remove a Debian (Ubuntu) package (.deb):

sudo dpkg -r packagename

Reconfigure/Repair an installed Debian (Ubuntu) package (.deb):

sudo dpkg-reconfigure packagename

*Example:

sudo dpkg-reconfigure mpd

Handling (Tar/GZip) and (Tar/Bzip2) archives

(Tar/GZip) archives end in ".tar.gz" and (Tar/Bzip2) archives end in ".tar.bz2". Bzip2 is the newer, more efficient compression method. These files can generally be automatically extracted by merely clicking on them from your file manager (Nautilus), since file associations with the appropriate archival utilities are set by default in Ubuntu. These instructions are for those who wish to use the command line Terminal.

To extract:

tar xvf packagename.tar.gz

Note: tar is an application which can extract files from an archive, decompressing if necessary.

-x means extract.

-v means verbose (list what it is extracting).

-f specifies the file to use.

Decompressing ".gz" files

gunzip file.gz

Decompressing ".bz2" files

bunzip2 file.bz2

Note: You can also decompress a package first by using the command gunzip (for .gz) or bunzip2 (for .bz2), leaving the .tar file. You would then use tar to extract it.

To create a .gz archive:

tar cvfz packagename.tar.gz folder

To create a .bz2 archive:

tar cvfj packagename.tar.bz2 folder

Installing a package from source

Make sure you have all the necessary development tools (i.e. libraries, compilers, headers):

sudo apt-get install build-essential linux-headers-$(uname -r)

Note: "uname -r" lists the current kernel you are using

Extract the archive that contains the source files:

tar xvf sourcefilesarchive.tar.gz

Build the package using the package's script (in this case the configure script), compile the package (make), and install the compiled package into your system (make install):

cd /path/to/extracted/sourcefiles  ./configure  sudo make  sudo make install

Note: typing ./ before a filename in the current folder allows the Linux shell to try and execute the file as an application even if it is not in the path (the set of folders which it searches when you type a command name). If you get a "permission denied" error, the file is not marked as being executable. To fix this:

sudo chmod +x filename

Example: In the above instructions, configure is the shell script to build the package from source. To be sure the configure script is executable:

sudo chmod +x configure

Create a .deb package from source files

If your build from source is successful, you can make a Debian (Ubuntu) package (.deb) for future use:

Install package tools:

sudo apt-get install checkinstall

Rebuild package using "checkinstall":

cd /path/to/extracted/package  ./configure  sudo make  sudo checkinstall

Keep the resulting ".deb" file for future use. It can later be installed using:

sudo dpkg -i packagename.deb

Note: These are basic instructions that may not always work. Some packages require additional dependencies and optional parameters to be specified in order to build them successfully. Also see these Ubuntu wiki instructions. More info about .deb package structure can be found here.

ClamAV,,OpenSource Antivirus மற்றும் Antimalware மென்பொருள் தரநிலை அமைத்தல்

2012-10-30T20:29:00.001-07:00

ClamAV இன் வெட்டும்விளிம்பு பாதுகாப்பு தொழில்நுட்பம் திறந்த மூல மாதிரி ஒரு வெற்றியாகும். ClamAV வைரஸ் இயந்திரம், ClamAV கோர் குழு மற்றும் ClamAV சமூகத்திற்கு தொடர்ந்து கண்டுபிடிப்புகள் கூடுதலாக 300,000 க்கும் மேற்பட்ட கையெழுத்துக்களை அதன் பெருகிவரும் வைரஸ் தரவுத்தள தினமும் கையெழுத்து மேம்படுத்தல்கள் வழங்கும்.

உயர் செயல்திறன் Antivirus பாதுகாப்பு
ClamAV திறந்த மூல வைரஸ் தடுப்பு முன்னணி வணிக வைரஸ் தீர்வுகளை ஒப்பிடும் போது தரம் மற்றும் பாதுகாப்பு வழங்குகிறது. Linux வேர்ல்டு 2007, பிணைய நுழைவாயில் விற்பனையாளர் Untangle நடத்திய நேரடி "ஃபைட் கிளப்" நிகழ்வு, பொருட்கள் சோதனை உள்ள அனைத்து 25 வைரஸ்கள் கண்டுபிடிக்க முடியும் பார்க்க ஒருவருக்கொருவர் எதிராக 10 தொழில்-முன்னணி வைரஸ் தீர்வுகளை உருவெடுத்தது. அனைத்து 25 வைரஸ்கள் பிடிக்க மூன்று வைரஸ் எதிர்ப்பு தயாரிப்புகளின் ஒரு - ClamAV 100 எதிர்கொண்டது வைரஸ்கள்% கண்டறியப்பட்டது.

திறந்த மூல கண்டுபிடிப்பு ஒரு வலுவான அறக்கட்டளை
ClamAV என்ற ஓப்பன் சோர்ஸ் சமூகத்திற்கு அதன் தற்போதைய பொறுப்பு பிரதிபலிக்கிறது. Sourcefire திறந்த மூல பாதுகாப்பு சமூகத்தின் மதிப்புகளை பின்பற்றுவதில் போது ஒரு வணிக நிறுவனம் கணிசமான வளங்கள் திட்டம் ஒன்றி கலப்பதற்கும் இரண்டு உலகங்கள் சிறந்த வழங்குகிறது, ஒரு ஓப்பன் சோர்ஸ் (GPL) தீர்வாக ClamAV உருவாகிறது மற்றும் வழங்குகிறது.

ClamAV எஞ்சின்
வெறுப்பு காண்பிக்கும் வகையில் சீற்றொலி உண்டாக்கு மற்றும் ClamAV ஒன்றாக பாதுகாப்பு துறை மிக பரவலாக ஏற்றுக்கொள்ளப்பட்ட திறந்த மூல திட்டங்கள் இரண்டு கொண்டுவருகிறது. தீம்பொருள் மற்ற வடிவங்கள் வைரஸ்கள், ட்ரோஜன்கள், ஸ்பைவேர் இருந்து, - ClamAV அச்சுறுத்தல்கள் பரந்த இருந்து தொழில், முக்கிய பாதுகாப்பு வழங்க Sourcefire திறன் மேம்படும். ClamAV கூட எதிர்ப்பு ஃபிஷிங் தொழில்நுட்பம் கொண்டுள்ளது.

ஒரு நாள் பல மடங்கு மேம்படுத்தப்பட்ட ClamAV கையொப்பம் தரவுத்தளம், தற்போது கண்டறிதல் மிக அதிக விகிதத்தில் புதிய பதிப்புகள் கண்டறிய முடியும் என்று பொதுவான கையெழுத்து உட்பட 300,000 கையெழுத்துக்களை, கொண்டுள்ளது.