Category 'Networking'

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Windows 7 Network Connections Folder Is Empty (Solved)

November 12, 2011No comments yet

Yesterday, after a reboot, the “Network Connections” folder in my Windows 7 x64 had been empty, my network connections was disappeared. God.
Network connections all still worked, but I couldn’t see them in the “Network Connections” folder. Strange.
I tried to refresh the network connection window –> no success
I tried to restart my network
net stop netman
net start [...]

Free Wi-Fi Network Scanners For Windows, Mac, Linux, Mobile

July 31, 2010No comments yet

blabla…
Cross-platform
1, Kismet
Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and can sniff 802.11b, 802.11a, and 802.11g traffic.
Kismet identifies networks by passively collecting packets and detecting standard named networks, detecting (and given time, decloaking) hidden networks, and infering [...]

How to convert Putty’s private key (.ppk) into OpenSSH’s private key format in Windows?

June 17, 2009No comments yet

If you generated a Putty private key (.ppk) in Windows and you want to use it with a SSH or SFTP client (for example Gnome Terminal, Nautilus, gFTP) in Linux, you have to convert it to OpenSSH’s private key format, because putty private key format (.ppk) is not compatible with OpenSSH.
Okay, open PuTTYgen and [...]

Connecting to a remote machine via SSH

April 8, 2009No comments yet

If you want to connect to a remote machine’s OpenSSH server from your locale Linux/Debian/Ubuntu machine using Gnome Terminal, Nautilus or gFTP, you need the openssh-client package. This package provides the ssh, scp and sftp clients, the ssh-agent and ssh-add programs to make public key authentication more convenient, and the ssh-keygen, ssh-keyscan, ssh-copy-id and ssh-argv0 utilities.
If [...]

How to setup a restricted OpenSSH sftp server?

April 4, 2009No comments yet

If you setup a restricted OpenSSH sftp server you can restrict users to any directory (eg. their home directory). Also you can set your system where the restricted users are not able to login to your system, but they just are able to connect to the sftp server and transfer files via sftp. These settings [...]

How to convert PuTTY’s private key (.ppk) into OpenSSH’s private key format in Linux?

April 3, 20091 comment

If you want to use your PuTTY generated private key (.ppk) in Linux with not only PuTTY, but other SSH or SFTP client (Terminal, Nautilus, GFTP, etc), you have to convert it to OpenSSH’s private key format, because PuTTY private key format (.ppk) is not compatible with OpenSSH.
First, install “putty-tools” package, if you did [...]

PuTTY connection error in Linux, Debian Lenny (solved)

April 3, 2009No comments yet

In my Windows machines I use PuTTY SSH client to connect to my Linux server. I know there are other SSH clients available in Linux, but I like PuTTY, so I wanted to use it on my newly installed Debian Lenny desktop.
I installed PuTTY with this command:
apt-get install putty putty-tools
Okay, Putty was installed.
I copied my public and [...]


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