Linux

How to Install Citrix Receiver for Linux 12.0 on openSUSE 12.1

Citrix Receiver for Linux is software that lets you access enterprise data, applications, and desktops from any Linux workstation. Although you should be able to install Citrix Receiver on any distribution of Linux, this tutorial is designed and tested for openSUSE 12.1 32 bit. If you want to install Citrix Receiver for Ubuntu, check out this tutorial.

To download Citrix Receiver, go to the download page and download the .rpm file for x86 systems:

http://www.citrix.com/site/ss/downloads/details.asp?downloadId=2316611&productId=1689163

To install Citrix Receiver, dependencies, and make Firefox's certificates available to Citrix, run these commands (this assumes you downloaded the .rpm package into the Download folder):

sudo zypper addrepo -f http://ftp.gwdg.de/pub/linux/packman/suse/12.1/ packman
sudo zypper refresh
cd ~/Downloads
wget http://www.openmotif.org/files/public_downloads/openmotif/2.3/2.3.3/openmotif-2.3.3-1.suse10.3.i586.rpm
sudo zypper install ./openmotif-2.3.3-1.suse10.3.i586.rpm ./ICAClient-12.0.0-0.i386.rpm ffmpeg
sudo cp /usr/share/ca-certificates/mozilla/* /opt/Citrix/ICAClient/keystore/cacerts

How to Install Citrix Receiver for Linux 12.0 on Ubuntu 11.10

Citrix Receiver for Linux is software that lets you access enterprise data, applications, and desktops from any Linux workstation. Although you should be able to install Citrix Receiver on any distribution of Linux, this tutorial is designed and tested for Ubuntu 11.10 32 bit. If you want to install Citrix Receiver for openSUSE, check out this tutorial.

To download Citrix Receiver, go to the download page and download the .deb file for x86 systems:

http://www.citrix.com/site/ss/downloads/details.asp?downloadId=2316611&productId=1689163

To install Citrix Receiver, dependencies, and make Firefox's certificates available to Citrix, run these commands (this assumes you downloaded the .deb package into the Download folder):

sudo apt-get install libmotif4 ffmpeg
sudo dpkg -i ~/Downloads/icaclient_12.0.0_i386.deb
sudo cp /usr/share/ca-certificates/mozilla/* /opt/Citrix/ICAClient/keystore/cacerts

How to Create Beautiful Photomosaics in Linux Using Metapixel

Metapixel is a program for generating photomosaics. It can generate classical photomosaics, in which the source image is viewed as a matrix of equally sized rectangles for each of which a matching image is substitued, as well as collage-style photomosaics, in which rectangular parts of the source image at arbitrary positions (i.e. not aligned to a matrix) are substituted by matching images.

To install metapixel, run the following commands (you will need unrar to extract the wallpaper packs. If you have your own image collection, you do not need to install unrar):

Ubuntu (Tested on11.10): sudo apt-get install metapixel unrar

openSUSE (Tested on 12.1) 32bit: wget http://download.opensuse.org/repositories/openSUSE:/11.4:/Contrib/standard/i586/metapixel-1.0.2-1.2.i586.rpm

sudo zypper install ./metapixel-1.0.2-1.2.i586.rpm unrar

openSUSE (Tested on 12.1) 64bit: wget http://download.opensuse.org/repositories/openSUSE:/11.4:/Contrib/standard/x86_64/metapixel-1.0.2-1.2.x86_64.rpm

sudo zypper install ./metapixel-1.0.2-1.2.x86_64.rpm unrar

saidar - A Curses-Based Tool for Viewing System Statistics on Linux

Saidar is a curses-based tool for viewing the system statistics available through libstatgrab. Statistics include CPU, processes, load, memory, swap, network I/O, disk I/O, and file system information. Since it is easy to use and in repositories for most popular Linux distributions, saidar can easily be considered a go-to tool for Linux system administrators. To install, run the following:

Ubuntu: sudo apt-get install saidar

openSUSE: sudo zypper install saidar

To launch saidar, simply type saidar -c in the terminal (The -c is optional - It provides color).

saidar

As you can see, saidar outputs very useful information, such as:

  • Total Processes
  • Zombie Processes
  • Memory Used
  • Swap Used
  • Interface Traffic
  • Disk Read/Write
  • CPU %
  • Uptime
  • Hostname

If you would like saidar to refresh faster, add the -d switch followed any number greater than 1:

saidar -c -d 1

To find out more, check out the project's homepage:

http://www.i-scream.org/libstatgrab/

 

Top 3 IP Scanners for Linux

Unlike port scanners, which scan for open ports, IP scanners simply try to find hosts that are alive on a network. If you are searching for IP scanners for Windows, you will surely find an abundant supply of them. In Linux, however, you may be searching a little harder to find a quality, easy to use IP scanner. Here is a list of the 3 best IP scanners for Linux, rated on speed and usability.

 

1. arp-scan - Arp-scan is an easy-to-use tool that can find alive hosts on a network. It sends ARP packets to specified hosts and displays any responses. I rated arp-scan #1 because of its simplicity and speed. By simply adding the -l switch to arp-scan, it will automatically determine the network settings and scan the network of the first adapter. It also scanned the network the fastest. To install arp-scan:

Ubuntu: sudo apt-get install arp-scan

OpenSuse (12.1): wget http://download.opensuse.org/repositories/security/openSUSE_12.1/i586/arp-scan-1.8-1.1.i586.rpm

sudo rmp -i arp-scan-1.8-1.1.i586.rpm

The easiest way to scan the network you are in is to run any of the following commands (they all do the same thing):

sudo arp-scan -l    #Scans the local network

sudo arp-scan 192.168.1.0/24     #Scans 192.168.1.0 255.255.255.0

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