ptunnel: send/receive TCP traffic via ICMP reliably

Yes, it can be useful sometimes. For example, you have access to Wi-Fi network but you’re not allowed to access Internet via TCP/UDP as these protocols are blocked. At the same time ICMP is opened and you can ping everything alive in Internet. So, to check your email just have ptunnel installed and work around the restrictions set by the Wi-Fi network sysadmin easily. Ptunnel is an application that allows […]

Read more →

 

Run Photoshop with Ubuntu (or any other Linux)

Adobe Photoshop (or simply Photoshop), is a graphics editor developed and published by Adobe Systems. Currently it’s market leader for commercial bitmap and image manipulation, and is the flagship product of Adobe Systems. Unfortunately it’s available for M$ Windows and Apple OS X users only. Thanks to heaven (and Wine’s developers of course) there is Wine allowing to execute M$ Windows applications (from simple executables to M$ Office and Adobe […]

Read more →

 

Clean up your Ubuntu with deborphan

If you want to clean up your Ubuntu or Debian machine and delete unnecessary (orphaned) deb packages you can use utility deborphan. It finds packages that have no packages depending on them. The default operation is to search only within the libs and oldlibs sections to hunt down unused libraries. Install deborphan with command sudo apt-get install deborphan and then let’s proceed with cleaning up. To delete unnecessary libraries just […]

Read more →

 

Convert WMV into AVI with Ubuntu

Actually this tip is applicable to any Linux distribution mencoder can be run at (like Ubuntu, Debian, Fedora, Suse and even Slackware ) MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a close sibling to MPlayer and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs Here […]

Read more →

 

Network Traffic Generator: hping

hping3 is a network tool able to send custom TCP/IP packets and to display target replies like ping program does with ICMP replies. hping3 handles fragmentation, arbitrary packets body and size and can be used in order to transfer files encapsulated under supported protocols. Using hping3 you are able to perform at least the following stuff: Test firewall rules Advanced port scanning Test net performance using different protocols, packet size, […]

Read more →