Routing issues, slow network applications, DNS resolution problems -- a network administrator has to deal with a host of network nuisances on a daily basis. How do you survive when you're constantly under the gun to fix the problems? Like any other professional, you need a solid set of tools. Not surprisingly, plenty of options exist in the open source camp. Excellent open source software tools are available to help you keep a close watch over your network, as well as meet many other needs of the busy network manager. From monitoring, troubleshooting, and security analysis tools to utilities for keeping track of IP allocations, passwords, and router configurations, here are my top 10 picks of the most essential open source tools for our network admin toolbox -- all free for the downloading. [ Also on InfoWorld: '| '| '| ' ] This is by no means an exhaustive list of open source networking utilities available, and I've merely touched on their capabilities. Are there other free open source tools that you use regularly but we didn't list here? And let us know! Top free open source tools for network admins: Dig DNS problems plague us all, and they're easily overlooked when troubleshooting, so you need a reliable tool that provides detailed information about how users' DNS queries are being resolved. Why not use the tool made by the, the same group that produces the BIND DNS server software running the majority of DNS servers worldwide? That tool is Dig. At the heart of it, Dig is a command-line utility that performs DNS queries. That alone is helpful, but Dig can also tell you most everything about the queries and replies -- you'll sometimes need that extra information to determine why you're getting a strange reply from a DNS server. The default output of Dig provides you with all the data you'll require for troubleshooting: reply/error codes from the server, flags used in the query, a reiteration of your query, the answer to your query, how long the query took, which server it received the reply from, and how much data it received in the reply. Dig can be quite useful when you're trying to diagnose slow network applications, by determining how long it takes a computer to get DNS resolution for the application server's domain name. Got a small network, home network, medium-size network -- even an enterprise network -- and want to get the most out of it? Then I've got good news for you: 10 free pieces of software that can make your network easier to use, troubleshoot and maintain. The latest news and message with Ugee Tablet. Ugee 1910B Tablet Driver Installation for Mac. After installed the latest driver version,and try to find and install the file with the suffix '.mpkg' in the Mac driver content. Ugee M708 Tablet Driver Installation Attention. Ugee M708 Tablet Driver Installation Attention. Ugee M708 is an smart drawing tablet with 10x6 inch active area for painting,chatting and editing etc. Today,we will have a general understanding on how to install the driver.First of all,M708 multifunctionally supports windows 10,8, or 7 and Mac X 10.8 or above operating system. Find and install the latest hardware drivers you need. ![]() Distinct Network Monitor 5.1 Distinct Network Monitor is an essential utility in every network administrator's and software developer'. Will work over a network as well as for. Are trying to diagnose network related problems and network bottlenecks. These freebies will help everyone from networking pros to networking newbies and everyone in between. There's plenty here for you -- great free tools for keeping your network secure; creating a quick, navigable network map; scanning networks and putting together a list of all connected devices; checking to see if your servers are up and running; even designing networks and more. Note that I'm leaving out extremely popular and well-known free downloads, such as the network protocol analyzer or and am concentrating instead on lesser-known downloads. [ Further reading: ] And as a bonus, I'm including a review of an extra, for-pay, try-before-you-buy download that can help your network as well. If you're looking for a simple, free, all-in-one network management tool for a small peer-to-peer network, this is the one to get. It handles all the basic network chores, including adding new devices to the network, fixing broken network connections, setting up wireless encryption and protection, sharing printers and folders, reporting on the state of the security of each PC, and much more.
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Март 2019
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