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Archive for the 'Server Admin' Category

Drive clone in Linux with dd

Monday, February 3rd, 2014

Simple way to clone drives in Linux. Assume drive sda is the source, and sdb is the destination. dd if=/dev/sda of=/dev/sdb & PID=$!; which kill -USR1 $PID; & runs dd in the background. PID=$! gets the last process id (of the dd command) Which runs the command every second or two. Kill -USR1 tells dd […]

Wildcard SSL Certificates in CPanel – How to put multiple sub domains on the same IP

Tuesday, May 3rd, 2011

ИконописиконографияКартиниA while ago I bought a wildcard SSL certificate so that I could use one certificate on multiple sub domains. This works great when each sub domain is on a separate server or if each sub domain has a separate IP. As an example, we have several servers. Each server gets its own name. Something […]

Cpanel and custom Apache or PHP modules

Wednesday, September 1st, 2010

холови гарнитуриRecently I had to recompile PHP to add additional support for modules not listed in the CPanel easyapache config options. CPanel has thought of most things even if they haven’t created a nice GUI interface for them yet. In this case, you can add custom parameters to add to your apache or PHP compile. […]

IIS 6.0 – Integrated Authentication Issues (NTLM and Kerberos)

Thursday, December 21st, 2006

Kerberos, for all its many great features and enhancements, can be real pain when it doesn’t work. It is primarily designed for domain centric communications. The upside is that it can enhance your security. The downside is that using Kerberos has the potential to degrade your security (read on before you choke on your own […]

Case insensitive URLs with Apache

Thursday, July 6th, 2006

On a recent project, the request came in to allow for case insensitive URL’s. The site is housed on a *nix box running Apache. Since *nix systems don’t support case insensitive file/folder names, it won’t work natively. To accomodate this request, we turned to our most complicated and obscure friend ModRewrite. ModRewrite allows you to […]


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