What is dig
Dig is a short from Domain Information Groper. It perform DNS lookups and displays the answers that are returned from the name server(s) that were queried.This tool is an alternative DNS lookup tool, nslookup. Unless it is told to query a specific name server, dig will try each of the servers listed in /etc/resolv.conf
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Some powerful options of Linux Dig command to Query DNS (LinOxide)
Related:
Domain Information Groper (DIG) — DNS Query Tool (Gaurav Kansal)
Since the demise of the free LogMeIn service, you might have lost access to your home PC. Fortunately, with the right router, and a little bit of time, you can gain free access to your home machines very easily with OpenVPN. This guide I’ve written for the DSLReports.com community will focus primarily on OpenVPN running on DD-WRT, but should apply almost equally to “TomatoVPN” firmware, or newer Asus routers which include it (I would also recommend checking out “Tomato by Shibby” — as this looks to be some great firmware for those with supported hardware).
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OpenVPN on DD-WRT: A Secure Connection To Home Networks | DSLReports, ISP Information (DSLReports.com)
In the past I shared howto create samba share between Windows and Linux machines so both can read/write, and also shared a program called Nitroshare which allows to send/receive files between Linux/Mac/Windows without any complicated configurations. So this time I came up with another secure and easy method to share your data with network Windows machines (for specific users). If you are a beginner and not really familiar with Linux command line interface then Samba GUI can help you with this matter. So lets start…
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Create Safe & Easy Shares Using Samba For Windows Machines (NoobsLab)
Related:
Samba – A short guide for sharing files and printers (Free and Open Source Software Knowledge Base)
There are so many Linux distribution in the world now. From general Linux category until specific purpose of Linux. Today we will see a sneak peak of Network Security Toolkit Linux.
What is Network Security Toolkit (NST) Linux
NST is a Linux distribution based on Fedora Linux. NST provides security toolkit for professionals and network administrator with a comprehensive set of Open Source Network Security Tools. All of the tools in Top 125 Network Security Tools are included inside NST Linux. NST also comes with an advanced Web User Interface (WUI). We can say that NST Control Panel is in a web form. Another important thing is that NST can be used as a network security analysis validation.
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Features, Installation, Usage of Network Security Toolkit (NST) in Linux (LinOxide)
Sshfs is a file system for operating systems that have FUSE (Filesystem in Userspace) implementation. Examples of such operating systems are Linux, Mac OS X and FreeBSD but not limited to these. SSHFS is a great tool as it enable a user to mount remote directories on the local machine securely. The SSH protocol encrypts the connection between the local and remote machine. This makes it difficult for a third party to see the files being exchanged between the two machines on the network.
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How to use sshfs (Secure Shell FileSystem) to Mount Remote Directories Locally (LinOxide)
Related:
SSHFS (Secure SHell FileSystem) for Mounting Remote Linux Filesystems (Tecmint)
Mount Remote Filesystems Over SSH Using SSHFS (Unixmen)
SSHFS in Linux (Linux/Vmware Solutions)
Linux Terminal: sshfs, Remote directory over ssh (Linuxaria)
Back in the 1990s, Microsoft developed a protocol that allows one Windows machine to access the files and folders on another Windows machine. The protocol, which is known as the Common Internet File System (CIFS) – but was originally called Server Message Block (SMB), has been implemented on other operating systems including Linux. The most popular implementation is known as Samba and it allows devices like the Raspberry Pi to act as a CIFS file server. To put it another way, it allows a Windows PC to mount a folder on a Raspberry Pi and then copy, delete, read and write files on the it.
Installing and configuring Samba on a Raspberry Pi for basic file sharing is quite simple. …
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How to Turn Your Raspberry Pi into a File Server Using Samba (Make Tech Easier)
Tunlr, a free DNS service that allowed its users to access US-based on-demand Internet streaming providers from outside the US, was shut down recently.
For those who are looking for a reliable alternative, there’s Unlocator, a similar service that you can use to watch Netflix, Hulu, CBS, MTV, PBS, ABC, Pandora and more no matter where you live.
The service is free to use while in beta (I’m not sure when it will be out of beta) and once it leaves the beta, it will cost $4.95 / month.
At the time I’m writing this article, Unlocator supports 78 services, including: Netflix, Hulu, Pandora, ABC, AMC, BBC, CBS, Channel4, Discovery Channel, ESPN, Fox, HBO Go, MTV, NBC, PBS, Showtime, TV.com, VEVO, USA Network, VH1 and others. A complete list can be found HERE.
While Unlocator works as advertised, there is one issue: using the Unlocator DNS permanently is not a good idea for privacy/security reasons, speed and so on. For this reason, I’ve adapted the instructions for Tunlr I wrote a while back on WebUpd8, for Unlocator.
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How To Set Up Unlocator DNS Under Linux To Access Netflix, Hulu, CBS, ABC, Pandora and More Outside The US (Web Upd8)
Iptables is an extremely flexible firewall utility built for Linux operating systems. Whether you’re a novice Linux geek or a system administrator, there’s probably some way that iptables can be a great use to you. Read on as we show you how to configure the most versatile Linux firewall.
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The Beginner’s Guide to iptables, the Linux Firewall (How-To Geek)
The Raspberry Pi can connect to a Wi-Fi network using a USB dongle but using that same dongle you can also turn your Raspberry Pi into a wireless access point. Once set up correctly, this will allow other wireless devices to connect to your Pi and optionally you can route any traffic out through the Ethernet port and on to the internet (via the router from your ISP).
However, before looking at the steps needed to get this working, a word of warning. The configuration needed can be a little complex and if things don’t work as they should then troubleshooting the problem can be difficult. Also for this to work correctly, you need a WiFi USB dongle that can work as an access point. The best place to find information about your particular dongle and the Raspberry Pi is on the embedded Linux Raspberry Pi Wi-Fi adapters page.
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How to Set up a Raspberry Pi as a Wireless Access Point (Make Tech Easier)
Often one wants a shared access to files across machines. Traditionally one uses the network file system (nfs). The network file server works as follows: There is an nfs server that exports some directories in its filesystem hiearchy to various nfs clients that mount these directory over the network into their file system hierarchy. As a result, each of the clients shares the directories exported by the nfs server.
However a lot of times you just have to mount a directory from a server to your local computer and in these cases NFS it’s not so useful, sshfs it’s much better
Sshfs is a filesystem client based on the SSH File Transfer Protocol. Since most SSH servers already support this protocol it is very easy to set up: i.e. on the server side there’s nothing to do. On the client side mounting the filesystem is as easy as logging into the server with ssh.
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Linux Terminal: sshfs, Remote directory over ssh (Linuxaria)
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