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Network

There are many network solutions you can use for computers, servers, and mobile devices, while you also need to consider the security implications. While we’ll compare various products and brands, we’ll also provide news and guides for using them.

Setup Ubuntu to browse Windows network by hostname

By default, a Ubuntu desktop with Samba installed will be a member of the Windows workgroup named WORKGROUP. Because that machine is a member of WORKGROUP, you would think you could browse […]

Configure Samba shares in CentOS

Server OSes, such as CentOS, Red Hat Enterprise Linux, and SUSE Linux Enterprise do not enjoy the same simplicity as does the modern Linux desktop when it comes to issues like sharing […]

Add SSL to CentOS web server

CentOS might well be one of the finest Linux distributions for a server environment. It is basically a mimic of Red Hat Enterprise Linux without the proprietary software and the price attached […]

Could the Change to IPv6 Break the Internet?

It's been widely reported that the old IPv4 Internet addressing system is creaking under the weight of the demands placed on it and that the available addresses will run out completely by […]

See what images are being viewed on your network with driftnet

I want to preface this article by saying I am not, in any way advocating spying on your users. With that said, there are times (and reasons) why you might need to […]

Instant message on your LAN with iptux

I recently covered a great LAN file sharing tool called Giver (see my article "Easily share files on LAN with fellow Ubuntu users using Giver"). I wanted to take that idea a […]

Modify LDAP entries with the ldapmodify command

Recently I've done a number of articles covering the Lightweight Directory Access Protocol (LDAP) which range from installation, adding entries, to full-blown GUI management tools (See LDAP content on Ghacks for more […]

Adding LDAP entries from the command line

Okay, so we've been dealing with LDAP a bit here on Ghacks, but mostly we've look at GUI tools (check out LDAP content on Ghacks). All of the GUI tools are good, […]

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Set up your LDAP server on Ubuntu 10.04

So lately I've been covering some pretty sweet LDAP tools. You've seen "Manage your LDAP data with phpLDAPAdmin", "Access and manage your LDAP data with Luma", and "Set up an LDAP server […]

Manage your LDAP data with phpLDAPadmin

The search for the perfect LDAP management tool has brought me around to a tool that is very similar to that of phpMyAdmin (for coverage of this tool, see my article "Install […]

Access and manage your LDAP data with Luma

I have recently been dealing with LDAP and attempting to find easier solutions for this often daunting task. If you've ever had to try to set up and manage an LDAP server, […]

Set up an LDAP server on Fedora

LDAP (Lightweight Directory Access Protocol) is one of the more complicated setups for a Linux machine. LDAP is to Linux what Active Directory is to Window. And if you have a lot […]

lockout fixer

Troubleshoot Domain Account Lockouts With Lockout Fixer

The portable software Lockout Fixer is a helpful program for system administrators that aids them in troubleshooting domain account lockouts. The application works similar to Microsoft's own tool Lockoutstatus.exe with the exception […]

Introduction to iptables

If you've been around Linux long enough you know there are many ways to secure your box. What you may or may not know is that a number of those means are […]

Save partitions across a network with Partimage

In my last article I showed you how to save a partition from a drive to a local image file using the Partimage tool (see my article "Copy partitions on your system […]

Nagios: Enable external commands

Here we are again, back witho ur old friend Nagios. If you've been following you know I have covered quite a bit of ground with this outstanding network monitoring tool (check all […]

Configure alerts for email and contact groups in Nagios

If you have been following my latest entries, you know I have been covering the Nagios monitoring system (see my articles "Quickly install Nagios on Ubuntu", "Easily extend Nagios' functionality", and "Configure […]

Configure hostgroups for Nagios

If you've been following my Nagios articles here on Ghacks (see "Easily extend Nagios' functionality" and "Quickly install Nagios on Ubuntu" for more information) you are probably impressed with how powerful Nagios […]

Easily extend Nagios' functionality

My last article described how to "Quickly install Nagios on Ubunut". That article had you up and running with the powerful open source network monitoring tool, but not much more. If you […]

Quickly install Nagios on Ubuntu

Nagios is not just a tool, it's one of the best open source network monitors available. Nagios has a simple plug-in design that allows administrators to easily create their own checks and […]

Monitor your network with iptraf

I am always looking for a good network monitor, and there are plenty out there. But in all my years of searching I have yet to come across a monitor as good […]

Understanding Samba security modes

If you have read any of the Samba content here on Ghacks you probably will have noticed that within the smb.conf configuration file a line that begins with security =. This is a […]

Connect to a Samba share from OS X

Here on Ghacks I've worked to cover Samba from numerous angles (check out the Samba Topic on Ghacks). I want to build on that topic by helping you to connect to a […]

Pure Networks Security Scan

Update: The Pure Networks website and as such the scan option that it offered is no longer available. You can try a free scanner such as Nmap as an alternative. Is your […]

Creating a VPN tunnel between Ubuntu and Sonicwall

Yesterday I walked you through the process of connecting to a Microsoft PPTP VPN (see my article "Connecting to a Microsoft VPN with Linux"). That article used a simple GUI tool to […]

Connecting to a Microsoft VPN with Linux

One of the Achilles heels of the Linux operating system is connecting to a VPN. Due to it's natural ability to network, one would think connecting to a VPN would be a […]

Share Ubuntu folders with NFS

If you've ever tried to share folders on a Linux machine over a network, you've most likely attempted to get NFS working. And on many occasions you might have found yourself nearly […]

Easy folder sharing in KDE 4.4

Once more unto the KDE topic my friends, once more. This time, however, we take a look at a very useful feature that allows you to easily share out folders with a […]

Connect to a Windows Terminal Server from Linux

There are a number of reasons to have to connect to a Windows Terminal Server machine. Either you telecommute, you administer remotely, you work on the go, or you use Linux and […]

Allow remote connections to your MySQL server

I have covered MySQL in a number of ways so far. You can read how to administer your MySQL database with MySQL Workbench (see my article "Complete database administration package MySQL Workbench"), […]

Create rsync backups easily with the help of Gadmin-rsync

Recently I covered one of the Gadmintools, Gadmin-Samba (see my article "Configure Samba with Gadmin-samba"). The Gadmintools set of tools is a set of GUI administration tools (hence the name "Gadmin") for […]

Configure Samba with Gadmin-Samba

For those new to Samba, the configuration of this provider of seamless file and print services to SMB/CIFS clients can sometimes be a nightmare. Not only are you dealing with tricky configuration files, […]

Manage your network with the new KNetwork Manager

For the longest time the only worthwhile network manage (especially of the wireless kind) was the GNOME Network Manager. Once KDE hit release 4 their network manager KNetwork Manager was plagued with […]

Let Munin monitor your servers and network

If you are looking for an easy to install, configure, and use systems monitor, look no further. The Munin is a network/systems monitor that presents all its data is easy to read […]

Stop SPAM in Postfix with Spamassassin

So you have your Ubuntu server up and running with a Postfix mail server (see "Install Postfix for reliable email delivery"). You have also set up Postfix for antivirus with the help […]

Add antivirus to Postfix with ClamAV

By now you have your Postfix mail server up and running (see "Install Postfix for reliable email delievery"). You even have relaying working (see "Mail relaying made simple with Postfix"). But one […]

Asset scanning with nmap and ndiff

If you are in a small business or a larger enterprise you know you need to keep track of all those machines. Sure you could easily tag and record them as they […]

Troubleshoot networking problems with GNOME's Nettools

How many times have you had networking issues and not known exactly where to start? With Linux there are so many tools you can choose from. Add to that the choice between […]

Five handy secure shell tips and tricks

I use secure shell a LOT, every day. So much so that I often take for granted how important this tool is. Not only does it allow me to log into remote […]

Backup your Linux box with rsync

In this Linux backup series we have taken a look at Flyback ("Quick and easy backups with Flyback"), Backerupper ("Simple gui backup tool Backerupper"), and Back In Time ("Linux Back In Time: […]


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