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IntroductionUsing the OpenWrt Linux distribution, you can configure a LinkSys WRT54G (also WRT54GS and WRT54GL) router as an IPSec VPN endpoint. This IPSec VPN functionality is provided by an Openswan package that was built specifically for OpenWrt. In this How To, I will show you how to create a VPN between a LinkSys WRT54GL and a LinkSys RV082 (RV042 could be used also). …Continue reading » How To: VPN Between RV082 (or RV042) and WRT54GL (or WRT54G) March 7th, 2007 | Tags: Linux, OpenWrt, Routers, RV082, VPN | Category: How-Tos | 4 comments |
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In Outlook 2003, I have enabled the setting “show an envelope icon in the notification area”. With this setting enabled, whenever I get a new email, an envelope is displayed in the Windows system tray. I like this feature because it is less obtrusive and distracting than the methods of new email notification (e.g. Desktop Alerts, playing a sound, etc). The only problem with this setting is that, by default, the envelope icon gets displayed even when the new email is spam (i.e junk email). …Continue reading » How to Hide the Outlook Envelope Icon When You Get Spam January 10th, 2007 | Tags: Outlook, spam, Windows | Category: How-Tos | 10 comments |
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Like most home internet users, I have a dynamic IP address and I use Dyndns to map it to a static host name so that I can remotely access my router (and computers behind it) without having to know its current IP address. My router is a LinkSys WRT54G, which is running the OpenWrt custom firmware. OpenWrt comes with a package called ez-ipupdate, which can be configured to automatically update your Dyndns host record whenever the router’s address changes. For detailed instructions, see the DDNSHowTo page in the OpenWrt wiki. The instructions in OpenWrt’s wiki are pretty good but they don’t deal with the situation where the time between address changes is greater than 30 days. …Continue reading » How to Force ez-ipupdate to Touch Dyndns Record Every Month January 8th, 2007 | Tags: Linux, OpenWrt | Category: How-Tos | 3 comments |
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Yesterday I wrote a custom log file rotator script in bash for one of my embedded Linux boxes (yes, I know about logrotate but this was a special situation that required a custom script). One of the building blocks I needed for this script was a function that could return the size of a file. The December 20th, 2006 | Tags: Linux | Category: Mini How-Tos | 4 comments |
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