I am involved in a very personal war … a war on Spam not because I must, everybody else lives with it, but just because it makes me mad! Spam has made me so mad I have gone on a personal goal to cut the Spam on my servers to 0%…realistic, probably not. Die trying…yep [...]
“Whoops…I deleted the wrong file. Can you get that back for me?” Is that a question you are often asked as an administrator? Well if you run Samba servers that save files for Windows machines that may be a common problem. Save your self a lot of work by providing a Recycle Bin for your [...]
You have a number of switches that you can use for Sendmail to manage it in the way that best meets your needs. Daemon mode will listen all of the time for connections to your Sendmail server.
Switch Description Commands
-ba Use ARPnet protocols
-bD Run as daemon but do not fork
-bd Run as daemon
-bH Purge persistent [...]
The importance of access controls cannot be overstated. It is important to have a good understanding of how to control who uses squid. When access controls are created you will use two components. The first is the acl which defines, clients, IP Addresses, hostnames, origin port numbers and request methods. Once these are created they [...]
The hardware requirements are not as large as you would think. The most important aspect to consider is the RAM that is available for Squid. RAM is important because each object in the cache requires a small amount of memory. Generally, 32 MB of RAM are required for every GB of disk space. If you [...]
In order to communicate with either the rest of your organization’s network, or with the Internet, every computer on the network has to have an Internet Protocol (IP) address. Some of these computers–such as your servers, which have to have the same address all of the time–need to have a static address assigned manually. [...]
