If you get this error in your logs when trying to setup public key authenticated automatic logins, the problem is a permissions one.
If you’ve ever needed to change the hostname for Red Hat Linux, CentOS or similar operating systems, you can do so easily with one simple command.
If you want to setup SSH keys to allow logging in without a password, you can do so with a single command.
This article will cover how to use the port-forwarding feature in SSH to accomplish tunneling from one machine to another.
If you’ve moved an Ubuntu virtual machine or modified it and then suddenly had a problem getting networking to work, you might want to read through this page, because I’ve figured out a workaround to get it working again.
If you’ve used the GUI tool to share a folder with your Ubuntu guest machine, you probably are confused why it’s not showing up anywhere.
This page will explain how you can use ISO image files in Linux.
This page will show us how to create a list of files and folders ordered by size using standard Linux commands.
This guide will attempt to explain how to use iptables on linux in easy to understand language.
Have you ever needed to quickly share a folder with another machine? Rather than deal with samba, nfs, or apache, you can just run a simple command instead.
If you are getting this error then you probably reset the permissions on your hidden .ssh directory in your user folder, and your keys aren’t going to work anymore. It’s very important that these files not be writable by just anybody with a login to the box, so openssh will give you an error if you try to use them.
If you want to “map a drive” from a Linux computer to a shared folder on a Windows computer or a shared folder on a Linux computer running Samba, there’s a simple way that you can do this from the command line.
If you use the rsync utility to keep your backups synchronized from your database server over to your backup or secondary file server, you might want to prevent the script from using too much bandwidth. Here’s how.
Like anything else on Linux, it’s easiest to do things from the command line, and when we’re dealing with servers that’s probably the only thing we easily have access to. Luckily it’s trivial to mount an ISO image in Linux.
We love Live CDs, but it’s a hassle installing the same packages every time you need to do a virus scan or recover accidentally deleted data. We’ll show you how to roll your own Ubuntu Live CD, with all the packages you want, and even more nice customizations.
Are you bored with the default brown, orange, and purple of Ubuntu? Here’s how you can give your Ubuntu desktop a quick refresh with a new Bisigi theme.
Your old CDs – especially ones you’ve burned yourself – degrade over time, to the point that they’re unreadable. We’ll show you how to squeeze as much data out of them as you can, before it’s too late!
Drive images are great to have, but hard to store if you don’t have a big external hard drive. We’ll show you how to create and transfer a drive image to another computer in one step.
If you’ve spent more than five minutes using Ubuntu, you might have noticed that the System menu doesn’t have any icons, but the other ones do. Why? Who knows! Either way, here’s how to enable those missing icons.
Has Ubuntu disappeared from your Windows Boot Manager list after installing it with Wubi? Here’s how you can quickly restore it and use your Ubuntu as before.
In Windows you can easily kill any task by pressing Ctrl+Alt+Del and bringing up the task manager. Linux running the GNOME desktop environment (i.e. Debian, Ubuntu, Linux Mint, etc.) has a similar tool that can be enabled to run exactly the same way.
Would you like to try out the popular Linux Mint OS on your Windows computer or netbook? Here’s how you can do it even without a CD/DVD drive with the Mint4Win installer.
There are a plethora of programs that can rip audio CDs on Linux, but very few are as simple as Sound Juicer. Sound Juicer is a GUI front-end for the command line only tool cdparanoia, but it adds quite features that make it worth a look.
If you have a home network with several computers, assigning them static IP addresses can make troubleshooting easier. Today we take a look at switching from DHCP to a static IP in Ubuntu.
Cloning a hard drive is useful, but what if you have to make several copies, or you just want to make a complete backup of a hard drive? Drive images let you put everything, and we mean everything, from your hard drive in one big file.