There are many proxy software, squid is the popular one, but I don’t want to install it as I can reuse the Apache’s proxy function. Below I will introduce how to setup the forward proxy with authentication function in Apache 2.2.x.(The example based on Apache 2.2.x shipped with Oracle Linux 6) Edit /etc/httpd/conf/httpd.conf, make sure mod_proxy module has been set to be loaded: LoadModule proxy_module modules/mod_proxy.so Make sure the /etc/httpd/modules/mod_proxy.

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Sometimes we want to access intranet resouces from outside internet world, how can we do this? The usual way is using VPN. But if we don’t want to set VPN tunnel, is there any other way to access intranet resources? Now we discuss how to implement this in another way, this is not my idea, just borrow from another geek ;) The precondition is your intranet has http proxy and it supports HTTP:CONN method

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1. If the disk you used is a iscsi/SAN disk Backup whole data on the old disk Change the disk size in storage size Export the disk to the Linux OS again(usually reboot to recogonize the new size disk) After booting, use fdisk to see if the new size has been deteced by OS # fdisk -l If yes, then try to boot into rescue mode by installation media

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