This article uses postfix as the mail transport agent (MTA), as opposed to sendmail, the default MTA for CentOS. Dovecot is used to allow users to access their email by either imap or pop protocols. We assume a domain name of example.com which should be changed by the reader and can be either a real [...]
Setting up virtual hosts is fairly straightforward. I will go through the basics of setting up a secure virtual host. In these examples, I use theÂ .crtÂ andÂ .keyÂ file extensions. That is my personal way of avoiding confusion with the various files. With Apache, you can use any extension you choose – or no extension at all. All [...]
Click on Extensions Click on the Extension you wish to modify with a Direct-Inward-Dial (DID or ‘phone number’) Within the Extension Configuration page, select the drop-down next to Inbound Phone No. and choose the phone number you want to associate with the extension (you must first add phone numbers to your system) Click Update Extension [...]
Learn how to use Outlook Express to stay in touch with friends and family, and share information in newsgroups with other users like you.
There may come a time when you unfortunately need to ban someone from visiting your website completely. This is very easy to do using htaccess and can be useful if there is a spammer or disgruntled member attacking your site (something which unfortunately happens a lot to forum and blog owners).
How to remove personal financial information from MSN Money loadTOCNode(2, ‘summary’); To remove personal financial information that is stored in MSN Money, follow these steps. Note If Microsoft Money is installed on your computer, turn off synchronization before you use the procedures in this article. To do this, follow these steps: 1. Start Microsoft Money. [...]
In a Windows 2000 domain environment, all of the domain controllers are piers. Â There are no PDCs and BDCs that you find in a Windows NT domain. Â All Windows 2000 domain controllers contain a writable replica (or copy) of the Active Directory Database, and unlike the hierarchical server structure in a Windows NT domain (the [...]
How to know which port is open from unmanaged remote host? How to determine running application and services from remote host? How to do basic port scanning against a host? How to confirm ports opened from remote host? Here are a several ways to do port scanning and know which port/services are currently opened from [...]
1. Change Default Administrator Passwords (and Usernames) At the core of most Wi-Fi home networks is an access point or router. To set up these pieces of equipment, manufacturers provide Web pages that allow owners to enter their network address and account information. These Web tools are protected with a login screen (username and password) [...]
Here’s another useful command liner utility that can check and correct spelling of a file. How to check the spelling of a HTML file from terminal? How to check the spelling of a Latex file from terminal? How to check the spelling of a nroff/troff file from terminal? How to check spelling of a file [...]
With a pending project at hand, system admin A installed mod_ssl, and after a while sysad A resigned and left. You take over and found out that mod_ssl was recently installed with a pending configuration job. The mod_ssl is just a new thing for you and your experience. But you need to continue a pending [...]
WHY INSTALL FROMÂ USB FLASH DRIVE? Why would someone want to installÂ a client OS from a thumb drive instead of a DVDROM or over the network?Â One reason:Â Performance.Â Installing Windows Vista from a high speed USB flash drive is in my experience the easiest & fastest way to complete a Windows VistaÂ install.Â This is much [...]