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Howto Check iPhone Antenna Reception

Open Source Hacker — Tue, 01 May 2012 20:04:05 +0000

Check Your iPhone’s Antenna Reception With Field Test Mode. You can put your iPhone into field test mode, which will allow to easily and precisely test your cell signal reception quality. Test mode can be activated by: Dial *3001#12345#* into …

Sudo without password on Ubuntu

Open Source Hacker — Wed, 11 Apr 2012 17:42:57 +0000

sudo visudo Add this line at the end (change “cc” to your username) cc ALL=(ALL) NOPASSWD: ALL Ctrl-X to leave, save your changes, and you’re ready to sudo without password.

Windows 8 Product Key

Open Source Hacker — Wed, 11 Apr 2012 14:51:40 +0000

If you install Windows 8 Consumer Preview using the Windows 8 Consumer Preview Setup Program, you won’t need to enter a product key—the setup program automatically provides the product key. If you use the ISOs directly from Microsoft to install …

Canon Pixma Series on Linux

Open Source Hacker — Wed, 04 Apr 2012 13:07:18 +0000

Bus 002 Device 006: ID 04a9:109c Canon, Inc. PIXMA iP4000R Couldn’t open device, some information will be missing Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x04a9 …

Securely Erase Hard Disk Before Selling

Open Source Hacker — Wed, 04 Apr 2012 08:20:57 +0000

If you are using GNU/Linux or any other UNIX, then you have a tool called shred which can be used to wipe all the data from the hard disk or from a file. Boot your device on a Ubuntu or …

Migrate Live System From Ext3 to Ext4 Filesystem

Open Source Hacker — Sat, 31 Mar 2012 15:56:55 +0000

Why Convert to Ext4 Compatibility Any existing Ext3 filesystem can be migrated to Ext4 with an easy procedure which consists in running a couple of commands in read-only mode (described in the next section). This means that you can improve …

Brother MFC-7440N PPD Linux CUPS/LPR Driver

Open Source Hacker — Sat, 31 Mar 2012 15:22:11 +0000

I’ve spent more or less a whole day to find a way to install a Brother MFC-7440 Printer on Ubuntu 12.04, unfortunately there is no ppd file for the model. Download the MFC7440N.ppd. I followed the steps on Brother web …

Brother MFC-7440N Default Username and Password

Open Source Hacker — Sat, 31 Mar 2012 14:30:16 +0000

Brother MFC-7440N Default Username and Password Username: admin Password: access

Decompile and Disassemble on Linux

Open Source Hacker — Sun, 25 Mar 2012 14:44:18 +0000

In essence, a disassembler is the exact opposite of an assembler. Where an assembler converts code written in an assembly language into binary machine code, a disassembler reverses the process and attempts to recreate the assembly code from the binary …

Windows 8 Theme for Windows 7

Open Source Hacker — Sun, 25 Mar 2012 14:20:52 +0000

Download Windows 8 Theme for Windows 7 Windows 8 Theme for Windows 7: Blue Progress in Green Bar. Windows 8 Move Progress. Transparent Start Panel. Window 8 Explorer Longhorn Style. Close Max Min Old New Style. Super Pinned in Taskbar. …

Howto: Get SSH Key Fingerprint

Open Source Hacker — Fri, 23 Mar 2012 19:05:55 +0000

Recently Github was hit by a Public Key Security Vulnerability and asked all users to review their keys. Then they showed me the following fingerprint (80:01:12:a0:5e:59:40:cb:7a:dd:60:8e:75:86:c2:d7) and asked me to review. The the question was, how do I get the …

PDF Typewriter for Linux

Open Source Hacker — Fri, 02 Mar 2012 11:34:05 +0000

Well, from time to time you need to fill out a PDF form? Shame on the people and organizations that require such crappy solutions. You could print out the form, roll it into a typewriter, and fill out the form. …

Visa and MasterCard Interchange Rates (European Union)

Open Source Hacker — Wed, 22 Feb 2012 13:38:43 +0000

Following is a table of domestic interchange reimbursement fees for selected Visa, MasterCard and Maestro cards in the European Union: ============================================================================== --------- Visa ---------- ---------- MasterCard ---------- Debit Credit Business Debit Maestro Credit Business Country Card Card* Card Card Card …

Howto: Packet Sniffer/HTTP(s) From Router To PC/Mac

Open Source Hacker — Sat, 18 Feb 2012 15:19:34 +0000

From time to time you’ll need to sniff and reverse engineer certain things, e.g. I am wanting to packet sniff all instant messages (MSN, AIM, IRC, Facebook Meesages, FbIM, etc). It is possible to put together an advanced devices using …

Domain Renewal Group is Scam

Open Source Hacker — Wed, 01 Feb 2012 15:29:20 +0000

If you have registered an international domain name (.com .org .net etc.) there is a good chance that you have either received or will receive a letter in the mail from a company calling themselves Domain Renewal Group (or Domain …