Install the Intel Corporation PRO/Wireless 2200BG on linux http:wiki.debian.org/ipw2200 http:wiki.debian.org/WiFi/HowToUse Wicd for XFCE is an awesome wifi manager sudo apt-get install wicd /etc/init.d/wicd start wicd-client -n &

> Errors > Helo command rejected: need fully-qualified hostname > Host name xxx.com doesn't match IP address xxx.xxx.xxx.xxx See http:en.wikipedia.org/wiki/List_of_DNS_record_types Im not sure, but I believe along with correcting the reverse dns lookup (see below) you also need to set a fully qualified domain name (FQDN) for EasyMail SMTP Express. Usually, EasyMail will use the name of the server as the FQDN. An example, my server is dyna-web, so the error message is : Helo command rejected: ne...

FreeNX (http:freenx.berlios.de/) is a Terminal Server for Unix & Linux, similar to windows remote desktop or linux 2xTerminalServer. It is based off the non-free NX (http:www.nomachine.com/index.php). FreeNX client is only for linux, but NX has free clients for windows (http:www.nomachine.com/download.php) http:www.drtek.ca/freenx-server-ubuntu-hardy Note, uses SSH, so uses that port in /etc/ssh/sshd_config also, in sshd_config, if you have the AllowUsers set, then must add nx ex: AllowUsers nx...

apt-get install samba Add the linux user, but disable linux box login useradd -d /home/username -s /bin/false -n username This will create a new user with same group name with (told by '-n'), but the user can't login and run any shell command (because you have specfic the login shell is /bin/false by the '-s' switch, if you want allow user to able to login to a shell, replace /bin/false with /bin/sh). Create a samba user (same as linux username created above) smbpasswd -a username '-a' switch t...

Nice how2 on the /etc/network/interfaces http:www.cyberciti.biz/faq/setting-up-an-network-interfaces-file/ Start the GUI network administration/configuration tool by typing redhat-config-network (Red Hat 9 and Enterprise 3.0) or system-config-network (Fedora) at a shell prompt. Make sure your network interface (typically eth0) is highlighted and click the Edit icon. Select the Automatically obtain IP address settings with dhcp radio button. Check the Automatically obtain DNS information from pr...

Overview of the nfs server options I choose See man exportfs and http:www.troubleshooters.com/linux/nfs.htm for NFS server option details. Also CentOS docs are great for NFS client/serve details http:www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-nfs.html secure server must be started by root because it will use ports lower than 1024 rw enable read and write sync data must be fully synced to disk, this prevents corruption if a server crashes no_wdelay I use this because my nfs re...

<p>This document describes a small portion of iptables and how to setup a basic firewall using iptables. There are many huge books on iptables so I cannot go into any sort of detail here. If you want to create a more advanced firewall, then I suggest installing shorewall and reading the documentation <a class="urlLink" href="http://www.shorewall.net/Introduction.html" onclick="window.open(this.href, '_blank'); return false;">http://www.shorewall.net/Introduction.html</a> about setting it up. I generally use shorewall on my systems and configure them using <a class="urlLink" href="http://www.webmin.com/" onclick="window.open(this.href, '_blank'); return false;">http://www.webmin.com/</a>.</p>

How to turn Internet Explorers Extensions Off Pass the parameter -extoff to iexplorer.exe to disable add-ons You can create a shortcut with extension off by settings the target to "%PROGRAMFILES%\Internet Explorer\iexplore.exe" -extoff Start In would be: %HOMEDRIVE%%HOMEPATH% Note: Attached to this article is a ready made link, just rename it from ....ln_ to ....lnk Keywords > IE7 Internet Explorer Add-ons addons extension off disable

<h1 class="heading1" id="toc0">Deny Root Login</h1><a href="#top"><div class="heading_top"></div></a> <p><strong>Never allow root ssh access and make sure all users are disabled except the ones you want, I use KUser KDE User Manager, all users are disabled by default except root and your login username.</strong></p> <ol> <li>Open /etc/ssh/sshd_config</li> <li>There should be a line remmed that says #PermitRootLogin yes, unrem that and change to no</li> </ol> <h1 class="heading1" id="toc1">Different Ports and IPs</h1><a href="#top"><div class="heading_top"></div></a> <p>If your clients do not have SSH access (web hosting for example), a<br /> good way to secure your box is to run SSH on an unknown port and IP, so<br /> that people do not know your SSH port, so can't brute force it.</p>

<p>2xTerminalServer is a Remote administration tool similar to Mircosoft Remote Desktop Server. It allows a user to connect to a remote linux workstation on his or her own private session.</p> <p>The 2x Terminal <strong>server</strong> is only for linux, but a linux and windows connection <strong>client</strong> is available.</p> <p><a class="urlLink" href="http://www.2x.com/terminalserver/" onclick="window.open(this.href, '_blank'); return false;">http://www.2x.com/terminalserver/</a></p>

<ol> <li>Goto Administration Tools -> Component Services<ol> <li>Under Services (local), start the 'Distributed Transaction Coordinator'</li> <li>Goto properties on 'Distributed Transaction Coordinator', Log On tab, make sure account is NetworkServices</li> </ol></li> <li>Under Component Services, expand to My Computer, goto properties on My Computer<ol> <li>MSDTC tab, then click Security Configuration</li> <li>Check 'Network DTC Access'</li> <li>Check 'Allow Remote Administration'</li> <li>Check 'Allow Inbound'</li> <li>Check 'Allow Outbound'</li> <li>Check 'No Authentication Required'</li> <li>Check 'Enable Transaction Internet Protocol (TIP) Transactions'</li> <li>Check 'Enable XA TRansactions'</li> <li>The Acount should be NetworkServices here also</li> </ol></li> <li>Open MSSQL Enterprise Manager, expand to localhost<ol> <li>Open Security</li> <li>Right Click Linked Servers, click New Linked Server...</li> <li>Enter each servers information, on each server</li> </ol></li> </ol>