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20131209-3 选题
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Daily Ubuntu Tips – TeamViewer 9 Is Available For Download
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TeamViewer, the popular remote support and desktop sharing tool has been updated to version 9 for Windows, Mac OS X and Linux computers, including Ubuntu. TeamViewer allows you to control any computer over the internet from anywhere.
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It’s a also a great tool to have if you’re in the business or helping folks troubleshoot computer related issues such as virus removal and/or sharing your screen with someone who is at a remote location.
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Here is an example of how this support tool can be used.
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I recently got a call from my mother who was trying to figure out how to get a program installed. After spending few minutes over the phone trying to help her get the program without success, I decided to do it myself.
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So we both download TeamViewer and within minutes, I was connected to her computer and installing the program myself.
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That’s an example of how TeamViewer helps you get stuff done. If you’re going to be using TeamViewer to help your customers or clients, you may have to purchase a license to comply with the company’s policy.
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Another reason I prefer TeamViewer over all other remote support tools is that it allows you to use the program without actually installing it, at least on Windows machines. If you only need to use it once, then just run it without taking up valuable disk space.
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Now TeamViewer works on almost all operating systems, including Android and IOS.
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Windows users can [download TeamViewer from here][1].
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Ubuntu users can [download and run TeamViewer from this link][2].
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To easily install TeamViewer in Ubuntu, run the commands below to download the installer.
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wget http://download.teamviewer.com/download/teamviewer_linux.deb
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For **64-bit systems**, use the link below.
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wget http://download.teamviewer.com/download/teamviewer_linux_x64.deb
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Finally, run the commands below to install it.
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sudo dpkg -i teamviewer_linux*.deb; sudo apt-get -f install
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Enjoy!
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If the commands above don’t work for you, then go to TeamViewer [download page and download a copy][2].
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--------------------------------------------------------------------------------
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via: http://www.liberiangeek.net/2013/12/daily-ubuntu-tips-teamviewer-9-is-available-for-download/
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译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:http://www.teamviewer.com/en/download/windows.aspx
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[2]:http://www.teamviewer.com/en/download/linux.aspx
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Oracle adds DTrace debugger to its Linux distribution
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> Oracle Linux administrators can finally take advantage of the powerful DTrace debugging tool that was first designed for Solaris
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IDG News Service - Oracle has fully integrated the long-awaited Linux DTrace debugging tool into the latest release of its Linux distribution, potentially allowing administrators and developers to pinpoint the cause of thorny performance issues with more accuracy.
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[Oracle Linux][1] 6.5 also includes an updated kernel and support for Linux Containers, allowing a single kernel to power multiple Linux virtual machines on a server.
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Much like the CentOS distribution, Oracle Linux is largely a copy of Red Hat Enterprise Linux (RHEL), version 6.5 of which Red Hat released last month. Oracle does include in the package its own kernel -- the core of an OS -- customized for security enhancements, as well as some additional administrative tools. Both the Oracle and Red Hat editions are targeted to enterprise use. (The volunteer-driven CentOS 6.5 distribution [was also recently released][2].)
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For the first time, Oracle's customized kernel, Unbreakable Enterprise Kernel Release 3, is installed as the default kernel for the distribution -- the stock RHEL kernel is also included in the package as an alternative. As a result, Oracle Linux now supports the DTrace dynamic tracing framework out of the box, though it still needs to be downloaded separately. Oracle Linux 6.4 [offered][3] users a way to download and install DTrace, though it required changes to the kernel.
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Originally developed by Sun Microsystems, which was acquired by Oracle in 2010, DTrace can help developers debug, or trace, problems that occur on a system. Known for its thoroughness in documenting system behavior, the software was originally designed for Sun's Solaris Unix distribution, and administrators have long agitated for a version [to run][4] on Linux as well.
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DTrace allows administrators and developers "to get insight into the operating system and understand what is consuming resources," said Markus Flierl, Oracle's Solaris vice president of engineering. The software can not only investigate problems with the OS, but also identify potential problems with applications and the networking stack as well.
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"If your customer is complaining that something is running slow, you can go in and see if there is a problem that is happening in your operating system, or if it is in your I/O stack. You will get a full top-to-bottom view, a single pane of glass to see what is happening," Flierl said. Having DTrace on board a server will also allow other Oracle debugging tools, such as those found in the Oracle 12c database, to use the DTrace instrumentations as well, he said.
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With the introduction of Linux Containers in Linux Oracle 6.5, users now have another option for virtualizing workloads. In this approach, the server's kernel can drive any number of virtual Linux machines, with each one completely isolated from the others. The Linux Control Groups management software assures that each container is allotted a select amount of memory, CPU and disk I/O resources. Oracle also provides templates for quickly setting up containers.
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Other updates in the Oracle Linux package support the latest technologies in InfiniBand networking, file systems, processors and solid state disks.
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--------------------------------------------------------------------------------
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via: http://www.computerworld.com/s/article/9244564/Oracle_adds_DTrace_debugger_to_its_Linux_distribution?taxonomyId=122
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译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:http://www.oracle.com/us/technologies/linux/overview/index.html
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[2]:http://lists.centos.org/pipermail/centos-announce/2013-December/020032.html
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[3]:http://www.infoworld.com/d/application-development/oracle-ports-dtrace-oracle-linux-213759
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[4]:http://stackoverflow.com/questions/2059311/whats-an-alternative-for-dtrace-on-linux
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24
sources/Proprietary Unix Continues to Fall.md
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Proprietary Unix Continues to Fall
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Analysts at International Data Corporation (IDC) posted a [press release][1] Wednesday highlighting the rapid decline of IBM's AIX and P-Series hardware. Along side the drop in proprietary Unix systems is an associated rise in sales of X86 servers running Linux. IBM has clearly identified this as a long term trend, investing $1 billion dollars in Linux development on Power systems. With the reported 20% drop in sales, the writing my finally be on the wall for AIX.
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I've had the dubious pleasure of administering both AIX and Linux systems for the past several years, and if I could pick and choose, I would take the flexibility and ease of use of Linux and the stability of Power. In my experience, AIX is difficult to set up, and difficult to change after it is set up, but once it is up and running it just runs. A properly configured AIX server can run for years without intervention, but when that time for modification comes, which it always does, prepare for a long hard slog. By contrast, Linux has become exponentially easier to manage over the years, thanks to the contributions of thousands of developers and sysadmins, as well as the contributions of big name corporations. As reported by [Infoworld][2]:
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> The Linux server market is solidly on the rise as a percentage of total server sales up to 28 percent of total revenue so any investment that can improve market share is going to be worthwhile, even as the lion's share of Linux servers continues to be commodity x86 hardware.
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Intel and AMD hardware has also grown by leaps and bounds, narrowing the performance gap with Power. I'm always a bit surprised when I hear that 10GB ethernet comes standard on a new blade, or that 256 GB of RAM is not considered unusual, or that it is considered the normal course of business to order a few servers with 16 cores each. Intel servers are nearly as powerful as IBM's Power, and normally cost much less. To businesses interested in escaping "consultingware" and IBM's vendor lock in, open source software running on industry standard x86 hardware is becoming increasingly attractive. However, IBM has lowered the prices of Power systems to remain competitive.
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It is telling that IBM chose to invest in Linux on Power instead of AIX. IBM could have chosen to modernize AIX and provide better interoperability with common open source tools. While IBM claims that AIX is still important, the continuing drop in Power sales along with the Linux investment is beginning to tell a different story.
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IBM may not be able to turn things around for AIX, but they could prolong its life indefinitely. It would be interesting to see how the market would react if AIX was released as open source.
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--------------------------------------------------------------------------------
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via: http://ostatic.com/blog/proprietary-unix-continues-to-fall
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译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:http://www.idc.com/getdoc.jsp?containerId=prUS24476413
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[2]:http://www.infoworld.com/t/unix/ibms-losing-ground-unix-and-oracle-may-follow-232234
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