A couple of days ago, I’ve encountered this error when I was trying to create a SSH tunnel from my office LAN to a remote server. After looking for a solution, I found out that the remote SSH server must add “PermitTunnel yes” line in “/etc/ssh/sshd_config” file. To do that, you need to: sudo echo […]
SMTP is a protocol to send email over the internet and it is documented in RFC821. Sending email using Telnet is straight-forward if you know how to do it. telnet smtp.example.com 25 MAIL FROM: <example_from @ example.com> RCPT TO: <example_to @ example.com> DATA From: [John Doe] <example_from @ example.com> To: [Jane Doe] <example_to @ example.com> […]
This is a follow-up of my previous post “What to do when your Google disabled your Gmail account?“. Here’s how to download all emails from your GMail account with Gmvault: Download and setting up gmvault 1. First you need to install python-pip [bash] sudo apt-get install python-pip [/bash] 2. Then using ‘pip’, install gmvault [bash] […]
exFAT is a filesystem developed by Microsoft for use in flash drives or portable storage devices where the use of NTFS is not feasible. exFAT is inteded to be supported on consumer devices such as MP3 players, cameras, mobile phones and video recorders. However filesystem formatted with exFAT are not currently supported by Ubuntu (as […]
iotop is a small and handy tool to monitor processes that hogs I/O resources. iotop outputs is similar to ‘top’ except it lists the hard disk read/write activity as well as swap writes. You can use the left and write key to sort the heading according to your preference and the R key can be […]
Blackbuntu is a Ubuntu-based distro used for penetration testing and security auditing. Blackbuntu is designed to be used by students and practitioners who are interested in the field of information security. Blackbuntu tools are divided into several categories: Information Gathering Network Mapping Vulnerability Identification Penetration Privilege Escalation Radio Network Analysis VoIP Analysis Digital Forensic Reverse […]