The name “MATE” comes from yerba maté, a species of holly native to subtropical South America. Its leaves contain caffeine and are used to make infusions and a beverage called mate.

MATE desktop environment screenshots gallery in ubuntu 12.04(precise)

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Window Switch is a tool which allows you to display running applications on other computers than the one you start them on. Once an application has been started via a winswitch server, it can be displayed on other machines running winswitch client, as required.
You no longer need to save and send documents to move them around, simply move the view of the application to the machine where you need to access it.

Key Features

Shadow an existing display or another session
Start sessions on remote (or local) machines using intuitive menus
Disconnect from those sessions and re-connect when you need them again
Send them to other machines with just one click
Stays out of the way using a single icon in your system tray

Install windows switch in debian squeeze

Open the terminal and run the following commands as root

Import the packager’s key:

curl https://winswitch.org/gpg.asc | apt-key add -

Debian Squeeze installation

echo “deb http://winswitch.org/ squeeze main” > /etc/apt/sources.list.d/winswitch.list;
apt-get update;
apt-get install winswitch

Problem

When attempting to SSH to a ScreenOS device from a Cisco switch, the following error is reported in the logs:

Event Log on ScreenOS device (NetScreen):

system error 00528 SSH: Failed to negotiate host key algorithm with host x.x.x.x.

Cisco Switch Log:

SSH2 CLIENT 0: hostkey algo not supported: client ssh-rsa, server ssh-dss

Solution

Cisco client is using SSH-RSA , and ScreenOS device is using SSH-DSA (same as DSS).

ScreenOS supports SSH-RSA in SSHv1, and it supports SSH-DSA in SSHv2.

To find the version of the SSH and see the algorithm being used, run the following commands:

Example 1 DSA key:

get ssh

SSH V2 is active
SSH is NOT enabled
SSH is NOT ready for connections
Maximum sessions: 24
Active sessions: 0

get ssh host-key

DSA fingerprint:
finger_print = 37:23:74:ba:4c:a5:91:d1:ea:4e:a2:a8:46:58:4e:b1

Example 2 RSA Key:

get ssh

SSH V1 is active
SSH is enabled
SSH is ready for connections
Key regeneration time: 60 minutes
Maximum sessions: 24
Active sessions: 0

get ssh host-key

Length: 1024
Exponent: 65537
Modulus:

Key ID: 0F96C0C2EE54B93A1BB6

RSA1 key fingerprint:
15:07:33:d4:16:39:2b:cb:90:3b:4d:1d:b3:ef:67:22

In order to resolve this issue, the algorithm has to match. Therefore either set the firewall to SSHv1 or SSHv2 to match the Cisco unit, or you set the Cisco unit to match the firewall.

To change to SSHv1 you run the following commands:

delete ssh device all
set ssh version v1
set ssh enable

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Currently the following types of Administrator Levels available on NetScreen Firewalls

Root Administrator:

Can perform all executable commands on the NetScreen device.
Can create, edit, and delete other administrative accounts.

Read/Write Administrator:

Can perform read and write commands on the NetScreen device.
Cannot create, edit, or delete other administrative accounts.

Read-Only Administrator:

Can perform read only commands on the NetScreen device.
Cannot create, edit, or delete other administrative accounts.

We can configure password complexity on the firewall, for admin users configured on the firewall, i.e. such as all admin users created should have minimum length of 8 and complexity such as 2 Uppercase 2 lowercase 2 alphanumeric and 2 non-alphanumeric

Password complexity means passwords must include at least two uppercase letters, two lowercase letters, and two

alphanumeric and two non-alphanumeric characters; for example: AAbb12@#. To require that passwords contain complexity,

you set complexity to 1. To unset the complexity requirement, set complexity to 0.

Run the following commands from the firewall terminal

set password-policy user-type admin minimum-length <length>
set password-policy user-type admin complexity 1
set password-policy user-type auth minimum-length <length>
set password-policy user-type auth complexity 1

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Windows 8 Consumer Preview is a pre-release version of Windows 8 that focuses on people and apps and gives you powerful new ways to use social technologies to connect with the people who are important to you. It’s Windows reimagined. Windows 8 Consumer Preview is built on the rock-solid foundation of Windows 7 and has the security and reliability features you expect from Windows, but we’ve made it even better. It’s fast, and it’s made to work on a variety of form factors—especially the new generation of touch devices.

Here’s your chance to be one of the first to try it out. We’ll be using information from preview users to make the final product even better.

Windows 8 Consumer Preview installation and desktop screenshot

You can download windows consumer preview from here

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The Lubuntu developers are moving quickly to bring you the absolute latest and greatest software the Open Source community has to offer. The Precise Pangolin Beta 2 release of lubuntu 12.04 gives a preview of the next version of Lubuntu.

This is Lubuntu 12.04 (Precise Pangolin) Beta 2 Screenshots Gallery contains installation and applications screenshots

Lubuntu 12.04 (Precise Pangolin) Beta 2 Screenshots Gallery

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The Kubuntu developers are moving quickly to bring you the absolute latest and greatest software the Open Source community has to offer. The Precise Pangolin Beta 2 release of Kubuntu 12.04 gives a preview of the next LTS version of Ubuntu.

This is Kubuntu 12.04 (Precise Pangolin) LTS Beta 2 Screenshots Gallery contains installation and applications screenshots

Kubuntu 12.04 (Precise Pangolin) LTS Beta 2 Screenshots Gallery

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You can set up the BIG-IP® system to load balance passive mode FTP traffic. To do this, you perform the following tasks:

Create a custom FTP health monitor.

Create a pool for load balancing FTP traffic.

Create a virtual server for processing FTP traffic.

When you create the virtual server, you can configure it to use the default FTP profile. An FTP profile determines the way that the BIG-IP system processes FTP traffic.
This chapter describes how to create the objects listed above, using the default FTP profile.

Creating a custom FTP monitor

You can create a custom FTP monitor to monitor files on your FTP server.
To create a custom FTP monitor

1.On the Main tab of the navigation pane, expand Local Traffic, and click Monitors.This displays a list of existing health and performance monitors.

2.On the upper-right corner of the screen, click Create.This opens the New Monitor screen.

3.In the Name box, type a name for the custom monitor, such as my_ftp_monitor.

4.From the Type list, select FTP.This displays additional FTP monitor settings.

5.In the User Name box, type the logon name for the FTP server.

6.In the Password box, type the password for the logon name.

7.In the Path/Filename box, type the path and name for the file you want to monitor.

8.Verify that the Mode setting is set to Passive.

9.For all other settings, retain the default values.

10.Click Finished.

After you have created a custom FTP monitor, you can create a load balancing pool for your FTP traffic.

Creating a pool

To load balance passive mode FTP traffic, you create a load balancing pool. When you create the pool, you assign the custom FTP monitor that you created in the previous task.After creating the pool, you assign it to the virtual server that you create.

To create a pool for load balancing FTP traffic

1.On the Main tab of the navigation pane, expand Local Traffic, and click Pools.The Pools screen opens.

2.In the upper-right corner of the screen, click Create.

The New Pool screen opens.

Note: If the Create button is unavailable, this indicates that your user role does not grant you permission to create a pool.

3.In the Name box, type a name for the pool, such as ftp_pool.

4.For the Health Monitors setting, from the Available box select the name of the custom FTP monitor, such as my_ftp_monitor, and click the Move button (<<) to move the monitor name to the Active box.

5.Ensure that Priority Group Activation is set to Disabled.

6.For the New Members setting, add the pool members:

a)Click the New Address option.
b)In the Address box, type the IP address of a server in the pool.
c)From the Service Port list, select FTP.
d)Click Add.
e)Repeat steps b, c, and d for each server in the pool.

7.Click Finished.

Creating a virtual server

The next task in a basic configuration is to define a virtual server that references the FTP profile and the FTP pool.

To create a virtual server for FTP traffic

1.On the Main tab of the navigation pane, expand Local Traffic, and click Virtual Servers.The Virtual Servers screen opens.

2.In the upper-right corner of the screen, click Create.The New Virtual Server screen opens.

Note: If the Create button is unavailable, this indicates that your user role does not grant you permission to create a virtual server.

3.In the Name box, type a name for the virtual server, such as vs_ftp.

4.In the Destination box, verify that the type of virtual server is Host, and in the Address box, type an IP address for the virtual server.

5.From the Service Port list, select FTP.

6.From the FTP Profile list, select ftp.

This assigns the default FTP profile to the virtual server.

7.In the Resources area of the screen, locate the Default Pool setting and select the name of the FTP pool you created in the previous task (for example, ftp_pool).

8.From the Default Persistence Profile setting, select source_addr.

This implements simple persistence, using the default source address affinity profile.

9.Click Finished.

This tutorial is a reference to understand which devices and versions can be managed by the latest NSM versions.

The table below is only for general NSM compatability information.

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Problem

We have installed two Juniper NSM 3000 devices in HA cluster with NSM 2011.1 S2 and everything is working fine.The only problem we have is this NSM configuration is not detected through https://nsmserverip/administartion/   .You can see this in the following screen

The reason for this issue is we didn’t use nsm_setup to install NSM central manager or regional server.

Solution

Run the following command from your terminal after logging in as root

#vi /usr/share/nsm-install-scripts/.mode

Change from

RS-unconfig

to

RS

Save and exit the file.

Now you need to close your administration page and relogin in to administration page now you should see similar to the following screen marked with red

The Ubuntu team is pleased to announce the first beta release of Ubuntu 12.04 LTS (Long-Term Support) Desktop, Server, Cloud, and Core products.

Codenamed “Precise Pangolin”, 12.04 continues Ubuntu’s proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. The team has been hard at work throughout this cycle, introducing new features and fixing bugs.

This release introduces a new set of images for the ARMv7 “hard float” ABI, denoted as armhf. There are still some armel images around, as we finish the migration, but 12.04 for ARM will be based on armhf.

The technology that allows GPUs to go into a very low power consumption state when the GPU is idle (RC6) is now enabled by default for Sandy Bridge systems, which should result in considerable power savings when this stage is activated.

Ubuntu 12.04 (Precise Pangolin) LTS Beta Screenshots Gallery

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This cheat sheet lists useful keyboard shortcuts for working on GIMP.

GIMP (GNU Image Manipulation Program) is a free image editing and manipulation tool editor which is often tagged as a free Photoshop alternative. It can handle essential image editing tasks like image resizing, editing, cropping, photomontages, and converting images between different image file formats. GIMP is freely available for most popular operating systems including Microsoft Windows, Apple Mac OS X, and Linux. Also with this free cheat sheet you will receive daily updates on new cool websites and programs in your email for free, courtesy of MakeUseOf.

In this cheat sheet you will find a bunch of the most common Linux commands that you’re likely to use on a regular basis.

On most systems you can lookup detailed information about any command by typing man command_name. You will need to be root user in order to use some of these commands. Be extremely careful as root if you’re not 100% sure about what you’re doing. You can make your system unusable. Even if you have a dual boot setup you may not be able to access any of your installed operating systems. Also with this free cheat sheet you will receive daily updates on new cool websites and programs in your email for free, courtesy of MakeUseOf.

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Ubuntu is a free, open-source computer operating system with 20 million users worldwide.

This 30 page guide was written for beginners and will tell you everything you need to know about the Ubuntu experience. You will learn how to install and setup Ubuntu on your computer, find technical support in your community, understand the Ubuntu philosophy, navigate the Unity desktop interface and use Ubuntu compatible software programs. Also with this free guide you will receive daily updates on new cool websites and programs in your email for free courtesy of MakeUseOf.

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Submin provides a web-based admin interface to your svn repositories.

Submin Features

User/group management
User/group permissions management per path
SVN repositories creation
Config files for apache2 cgi and wsgi created automatically
Authentication via htpasswd/svn authz
Authentication synced to svn (and trac)

Tested with browsers:

Firefox (2, 3)
Safari (3)
Internet Eplorer (7,
Note: IE6 is not supported
Opera
Chrome

Reported to work on:

Debian (etch, lenny, squeezy)
Ubuntu
OS X
CentOS

Install submin on ubuntu

open /etc/apt/sources.list file

#vi /etc/apt/sources.list

Add the following line

deb http://debian.supermind.nl/ current main

Save and exit the file

Need to add the key

#wget -q -O - http://supermind.nl/debian.key | apt-key add -

Update the source list

#apt-get update

Install submin

#apt-get install submin

Screenshot

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QupZilla is modern web browser based on WebKit core and Qt Framework. WebKit guarante fast browsing and Qt availability on all major platforms.

Features

Native look’n’feel

QupZilla is using native widgets style on major Linux Desktop Environments. It is also using icons from active desktop icon theme. If you find native theme too boring or have some problems with it, you can always switch to other themes.

Unified Library

QupZilla unifies bookmarks, history and rss reader in one well-arranged window. No more multiple windows, QupZilla uses just one!
With integrated rss reader, you can stay up to date with your favourite sites. QupZilla can also import bookmarks from other browsers.

Integrated AdBlock

Are you bored of websited full of advertisements? Are they eating your bandwidth and time? The only thing you need with QupZilla is to update EasyList or maybe add your own rules and start

Install QupZilla in debian

First you need to download deb package from here once you have deb package you can install by double clicking on it

Screenshot

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Oracle VM VirtualBox, formerly Sun xVM VirtualBox and innotek VirtualBox, is a family of x86 virtualization products for enterprise and home use.VirtualBox is a general-purpose full virtualizer for x86 hardware, targeted at server, desktop and embedded use.

What is new in virtualbox 4.1.8

This is a maintenance release. The following items were fixed and/or added:

VMM: fixed VERR_MAP_FAILED during savestate under certain circumstances (bug #7929)
GUI: stop updating the VM status icons when the VM is paused (bug #8368)
VBoxManage: fixed wrong return code after startvm (bug #9642)
BIOS: fixed hang at launch of DOS applications generated by Clipper 5.3 (note that hardware virtualization may be required)
USB: fixed OS/2 boot hang when using recent USB drivers
NAT: increase maximum number of parallel connections making connections with port forwarding more robust (#8471)
Metrics: fixed potential problem with invalid access in guest metrics collection upon VM destruction
Main: don’t crash if a medium is ejected twice (bug #9922)
VBoxSVC: fixed crash under rare circumstances (e.g. client crash)
VRDP: fixed screen freeze (bug #9620)
OVF/OVA: fixed broken disk images on import under rare circumstances
OVF/OVA: better error message when importing corrupted appliances
VMDK/VHD: fixed a possible corruption with host cache disabled when using snapshots under rare circumstances (bug #9749)
3D Support: Fixed fullscreen mode issues for ATI graphics (bug #9775), Windows Media Player rendering for XPDM-based Direct3D support (bug #8341). Multiple fixes to XPDM and WDDM - based 3D support for Windows Guests and for 3D support in general
Linux hosts: fixes for Fedoras Linux 2.6.41 (bug #9948)
Linux hosts/guests: fixes for Linux 3.2 (bug #9743)
Solaris Additions: various shared folder fixes (bugs #9856, #9862, #9917)
Windows Additions: various fixes for Direct3D support (un)installation, added detection of missing or wrong Direct3D system files

Install virtualbox 4.1.8 on debian 6

You need to edit /etc/apt/sources.list

gksudo gedit /etc/apt/sources.list

Add the following line

deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free

Save and exit the file

wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -

Update source list

apt-get update

Install virtualbox

apt-get install virtualbox-4.1

Note: Debian users might want to install the dkms package to ensure that the VirtualBox host kernel modules (vboxdrv, vboxnetflt and vboxnetadp) are properly updated if the linux kernel version changes during the next apt-get upgrade. For Debian it is available in Lenny backports and in the normal repository for Squeeze and later. The dkms package can be installed through the Synaptic Package manager or through the following command:

apt-get install dkms

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Access Your Complimentary Copy Today. This $9.95 Value eBook Expires 12/6/2011.

Each of us is now faced with the daunting task of protecting ourselves and our families in the virtual worlds we travel. To make the job a bit easier, the editors of the Windows Secrets Newsletter have compiled some of the best security stories from their archives.

The PC Security Guide is a concise eBook that provides simple and straight forward advice for secure computing. It’s designed to give you the fundamental tools you’ll need to protect your PC and personal information from most online threats.

With this free PC Security Guide you will also receive a weekly newsletter delivered to your inbox courtesy of Windows Secrets Newsletter.

This tutorial describes how to back up and restore your BIG-IP version 11.0.0 configuration data using a UCS configuration archive. The UCS archive by default contains all files required to restore your current configuration to a new system, including configuration files, the product license, local user accounts, and SSL certificate/key pairs.

By default, the BIG-IP system will save the UCS archive file with a .ucs extension if you do not include it in the filename. You can also specify a full path to the archive file, and the archive file will be saved to the specified location. If you do not include a path, the file will be saved to the default archive directory, /var/local/ucs. Archives located in a directory other than the default will not appear in the list of available archives when using the Configuration utility to create/restore a UCS archive or when using the list /sys ucs command in the tmsh shell. F5 recommends that you include the BIG-IP hostname and current timestamp as part of the filename for ease of identification.

Backing up configuration data using the Configuration utility

1) Log in to the Configuration utility.

2) Navigate to System >> Archives >> Archives List.

3) Click the Create button to initiate the process of creating a new UCS archive.

4) Type a name for the file in the File Name box.

5) Optional: If you want to encrypt the UCS archive file, select Enabled from the Encryption drop-down menu and enter a passphrase. This passphrase must be supplied in order to restore the encrypted UCS archive file.

6) Click the Finished button to start the creation of the UCS archive file.

7) When the backup process is done, examine the status page for any errors reported before proceeding to the next step.

8 ) Click the OK button to return to the Archive List page.

9) Copy the .ucs file to another system.

Restoring configuration data using the Configuration utility

1) Log in to the Configuration utility.

2) Navigate to System >> Archives >> Archive List.

3) rom the Archive List, click the name of the UCS archive that you want to restore.

4) If the UCS archive is encrypted, you will need to type the passphrase for the encrypted UCS archive file in the Restore Passphrase field. If the UCS archive is not encrypted, you can skip this step.

5) Click the Restore button to initiate the UCS archive restore process.

6) When the restore process is completed, examine the status page for any errors reported before proceeding to the next step.

7) Click the OK button to return to the Archive List page.

8 ) If you restored the UCS archive on a different device and received the errors noted in the Considerations for restoring configuration data section, you must reactivate the BIG-IP system license.

9) After relicensing the system, reboot the system to ensure the configuration is fully loaded. To reboot the system, browse to System >> Configuration and click the Reboot button.

10) If the system you have restored contains the FIPS 140 HSM, you must configure the FIPS 140 HSM Security World after completing steps 1 to 9.

Restore 6400, 6800, 8400, or 8800 hardware platforms

If you are running 6400, 6800, 8400, or 8800 hardware platform you have to use tmsh utility for restore

1) Log in to the Traffic Management Shell (tmsh) by typing the following command:

tmsh

Note: If you are currently logged in to the tmsh shell, you can skip this step.

2) Restore the UCS archive file by using the following command syntax, replacing with the full path of the UCS archive file you want to restore:

load /sys ucs

If you do not specify the path, the BIG-IP system assumes the UCS archive file is located in the default /var/local/ucs directory.

3) If the UCS archive file was encrypted with a passphrase during the backup, you will be prompted to enter the passphrase for the archive file.

4) If you are running BIG-IP on a 6400, 6800, 8400, or 8800 hardware platform, type the following command to switch to bash shell:

run /util bash

5) Type the following command to verify that the new or replaced SSH keys from the UCS file are synchronized between the BIG-IP and the SCCP:

keyswap.sh sccp

6) Type the following command to switch back to the tmsh shell:

exit

7) Reboot the system by typing the following command:

reboot

you must reactivate the BIG-IP system license. Alternatively, you can replace the /config/bigip.license file with the original bigip.license file you backed up from the target system.

8 ) If the system you have restored contains the FIPS 140 HSM, you must configure the FIPS 140 HSM Security World after completing steps 1 to 5.

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