This article will explain the procedure for setting up a VPN server in Windows Server 2008. The VPN protocol used will be PPTP (Point to Point Tunneling Protocol). The method outlined here uses an environment consisting of an active directory server, a DHCP server, few workstation PCs and a VPN server. Configuration of the VPN server alone is explained in the following steps
How to create a horizontal drop down menu in CSS
Its been a long time since I wrote an article in this category (Web Design) so I decided to write an article on creating a horizontal drop down menu purely with HTML and CSS. To create a simple menu see CSS Horizontal Navigation Menu. Since the horizontal drop down menu uses only CSS and HTML it doesn’t work with Internet Explorer 6. The whole drop down menu concept makes use of the CSS pseudo class :hover, when you place the mouse pointer over a parent menu the CSS “display” attribute changes to “block” and displays the drop down menu, when you move the mouse pointer away from the menu the “display” attribute changes to “none” so the drop down menu disappears.Continue Reading…
How to setup an unmanaged Debian server
So you’ve bought a shiny new VPS or dedicated unmanaged server to cut costs on hosting but don’t know how to begin ? Read this post to make this easier. This tutorial will cover the instructions for a basic setup of a Debian unmanaged VPS or dedicated server. The following are covered in this article
- Configuring the Timezone
- Selecting locales
- Creating a sudo user
- Securing SSH
- Adding firewall rules
The first task is to update the apt database and check if any installed packages can be upgraded.
apt-get update && apt-get upgrade
How to use MSMTP with Gmail, Yahoo and PHP Mail
This is a three in one tutorial which combines how to use MSMTP to send mails via Gmail and Yahoo servers and how to use MSMTP with PHP Mail() function instead of the default sendmail.
Installing msmtp
To install msmtp on Red Hat/CentOS/Fedora type of distributions
yum install msmtp
To install msmtp on Debian/Ubuntu type of distributions
apt-get install msmtp
Configuring msmtp with Gmail and Yahoo
Create or edit the msmtp configuration file in the user’s home directory. I use VI editor to achieve this
vi ~/.msmtprc
Add the following lines to the file, it configures msmtp for both Gmail and Yahoo
account yahoo tls on tls_starttls off auth on host smtp.mail.yahoo.com user user1 from user1@yahoo.com password ******
account gmail tls on auth on host smtp.gmail.com port 587 user user1@gmail.com from user1@gmail.com password ******
Since the file contains sensitive data like passwords you should assign secure permissions
chmod 600 ~/.msmtprc
How to save IPtables rules in Debian
This article explains how to make IPtables firewall rules sustain a boot in Debian. But this can also be applied on other Debian based OSes like Ubuntu and Knoppix. You show execute all these commands as the root user or use the sudo command to do it.
First view the list of rules in IPtables
iptables -L
If its a new installation there will be no rules. So add some firewall rules, the following rules will allow HTTP, HTTPS, FTP, SMTP, SSH incoming connections and rejects all other incoming connections including ICMP ping packets.Continue Reading…
How to assign a static IP address in Linux
This article explains assigning a static IP to your Linux machine through the command line. If you’re assigning a public IP address, you should’ve purchased it from your ISP. Assigning the IP address in Linux requires you to edit the network configuration file. The network interface files are located at different places according the Linux OS variant. This article will cover both Red Hat and Debian variants. You need to logged in as the root user to edit these files, or you should have sudo permissions.Continue Reading…
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