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Piranha on CentOS 6

February 3, 2012

I needed to set up a load balanced and redundant solution for a squid proxy server. My primary goals were simplicity and redundancy. I started with a stand-alone squid proxy server (CentOS 6, squid, NTLM authentication). Alone, this works great for an AD environment; single sign-on authentication so no password prompt, integrates with AD groups […]

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Homemade E-Mail Server Using CentOS + Postfix + Courier + More

February 23, 2011

A while back I built an e-mail server for a company. Using CentOS, Postfix, Courier and MySQL, it ended up being very functional, supporting SMTP, POP3, IMAP, SSL, Webmail and more. Outlook is the primary desktop client used by the company, iPhones and Androids are used, and I also used Roundcube for webmail access. The […]

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Restart iSCSI Target in Linux Gracefully

February 21, 2011

Anyone using iSCSI targets in Linux may have discovered what I have – restarting iscsi services causes a disconnect of all the attached initiators. This is true with the scsi-target-utils or the iscsitarget (IET) packages. I typically use an LVM logical volume for iSCSI LUN’s. Occasionally I need to resize them, but the client doesn’t […]

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