Networking

Permanently Change a Static IP Address in SCO
May 10, 2010 · 1 min read ·
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If you need to temporarily add an IP address in SCO, you can use ifconfig
ifconfig net0 inet 172.16.1.10 netmask 255.255.255.0
But really, that just creates an alias that will disappear once the server has been rebooted. In order to permanently change an IP address on a SCO OpenServer Release 5, I used SCO's menu …

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VMware ESXi 4.0: Create Virtual Machine Error Caused by NSF File on Western Digital MyBook WE
Jan 23, 2010 · 4 min read ·
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Such an awkward title, I know. It's just hard to encapsulate the following error message into a blog post title:
Create virtual machine 172.16.1.129 Error caused by file /vmfs/volumes/0-cb8d2a5-20-f15722/win-2k8.vmdk
Basically, I'm taking ghetto to the next level by using my Dell Optiplex 745 workstation as an ESXi 4.0 …

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OpenWRT: iptables-based Firewall Rules for PPTP and IPsec
Jan 17, 2010 · 1 min read ·
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Just a handy little reference for myself. #Internal PPTP Server vpnserver="172.16.1.10" iptables -N pptp iptables -A pptp -p tcp --destination-port 1723 --dst $vpnserver -j ACCEPT iptables -A pptp -p gre --dst $vpnserver -j ACCEPT iptables -I FORWARD -j pptp iptables -t nat -N pptp iptables -t nat -A pptp -i …
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Setting Up a Site-to-Site VPN using a Linksys RV082 and OpenWrt/Openswan on a WRT54GS
Jan 14, 2010 · 2 min read ·
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After a week of trying out several different types of VPNs (PPTP, SSTP, IPSEC) at my new office, I finally figured out a solution to setup a WAN between my Linksys WRT54GSv3 and a Linksys RV082 business router. The solution was initially presented by Joe Kelly at NerdBoys.com but I couldn't get it to actually work …
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Securing Apache using mod_ssl, OpenSSL and Microsoft Certificate Authority (CA)
Oct 5, 2009 · 3 min read ·
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Recently, I used my Windows-based domain's Enterprise Root Certification Authority to secure my subversion repository that is hosted on an Apache-based server. The process was rather straight-forward and relatively fast -- especially because I skipped over all of the file transfers and just used vi/notepad to …
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Windows 7: Disable Unnecessary Services on a Domain Workstation
Oct 5, 2009 · 27 min read ·
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I finally took the plunge and installed Windows 7 on my Dell Netbook (Inspiron mini iM10-008B). I originally bought the Dell to make it into a Hackbook but after I realized how time-intensive the initial setup may be, I looked to installing Win 7 for instant newness gratification.
Initially, I was going to install the …

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Securing Subversion with Windows 2008 Kerberos-Based SSO and Linux-Based Apache
Oct 3, 2009 · 2 min read ·
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Some things just belong on Linux. Like Subversion and Apache, for instance. I've seen the ghetto workarounds for Windows-based Apache installs and no thanks -- I'd much rather waste my time on ghetto SharePoint workarounds.
But I sure do like the way Windows-based web servers such as IIS seamlessly and securely …

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SuSE (SLES) 11 Works Flawlessly with Windows Server 2008 Authentication
Oct 1, 2009 · 1 min read ·
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Well that couldn't have been easier! Here's all it takes to authenticate SLES 11 to Windows Server 2008 based Active Directory. During the initial install of SLES, I performed the following:
- Selected samba-client and winbind during the software installer phase
- Added my domain's DNS servers to the intitial network …
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New Network for the New Year
Jan 9, 2009 · 3 min read ·
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Now that my DL380 is stacked with a total of 10 gigs of ram, it's time to revamp my network. A majority of my servers are still in Silicon Valley (San Jose, specifically) at a fantastic colo company, Silicon Valley Web Hosting so in order to have as little downtime as possible, I'm going to temporarily push that one …
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FIX: 'Cannot Write Pam Settings' when Joining a Windows Domain in SuSE 10.3
Jan 19, 2008 · 2 min read ·
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Today I attacked my 2008 technical to do list and setup a subversion server for backups/source control. It was actually pretty darn easy in SUSE 10.3. After I got it going, I wondered if I could have it automatically authenticate against my HOME domain. So, using SuSE's menu driven interface YaST, I easily added my …
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