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sources/Glances – An All In One System Monitoring Tool.md
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Glances – An All In One System Monitoring Tool
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================================================================================
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There are very few command line tools that aim to provide a user with maximum possible information irrespective of the terminal size. Most of the utilities respond in similar manner — Either the display of information gets messed up or tool gives an error. But, one such tool that displays a lot of system/network monitoring related information from a 80X24 terminal to any bigger size terminal is **Glances**.
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**NOTE** – All the examples presented in this article are tested on bash shell in Ubuntu 13.04.
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**A Brief Tutorial**
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Glances is a system monitoring tool that is capable of producing a variety of system related information on your terminal. Some of information includes :
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- CPU related information
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- Disk IO related information
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- Memory related information
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- Mount points related information
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- Network interface related information
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- Processes related information
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- etc.
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Here is an example snapshot of glances :
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It is written in python and utilizes [psutils][1] library to fetch all the system related information it displays. Glances is very flexible in terms of the display i.e., it tries to display maximum information on terminal of size as small as 80X24.
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Here is a snapshot of glances on a smaller terminal:
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So you can see that it displayed some information even on a smaller terminal.
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You can not only use Glances for local system monitoring but it can also be used for monitoring of remote system. To use glances on remote system, run the following command :
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glances -s
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and at the client side, execute :
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glances -c [ip-address-of-server]
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Here are some important points that user should keep in mind while using glances in client/server mode [Taken from official glances documentation] :
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Besides, there are several command line options available for customizing information like :
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- Use -m to disable mount related information
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- Use -n to disable network related information
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- Use -P to define password while running in client/server mode.
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- Use -t to set the screen refresh time interval
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- etc
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Go through the [man page][2] to explore and find more such options.
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Besides command line options, glances provides many help options that you can use while glances is running. Here is a list of these options :
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So you can see that glances is not only flexible in display but is also highly customizable.
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**Download/Install**
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Here are some important links related to glances tool :
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- [Home Page][3]
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- [Download Page][4]
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- [Documentation][5]
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You can download and install Glances from source but that would require python-dev module to be pre-installed. Ubuntu users can directly download and install through Ubuntu Software Centre. The version used for this review is 1.7.1 with PsUtil 0.6.1.
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**Pros**
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- Provides a lot of system related information under one roof
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- Flexible display
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**Cons**
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- Smaller display must include some indication that more information could be displayed.
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- Build from source depends on additional libraries like python-dev.
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**Conclusion**
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Glances is a tool that can be used by system administrators to quickly get an overview of complete system. It’s a good tool to have in your kitty that can come in handy while debugging some system related problems. The flexibility in display is always an add on.
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Have you ever used Glances or a similar tool? What was your experience? Share your story.
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via: http://mylinuxbook.com/glances-an-all-in-one-system-monitoring-tool/
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[译者ID][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linux.cn/space/校对者ID
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[1]:http://code.google.com/p/psutil/
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[2]:http://linux.die.net/man/1/glances
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[3]:http://nicolargo.github.io/glances/
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[4]:http://nicolargo.github.io/glances/
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[5]:https://github.com/nicolargo/glances/blob/master/docs/glances-doc.rst#introduction
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81
sources/Ubuntu Touch HD Screenshot Tour – The Road So Far.md
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Ubuntu Touch HD Screenshot Tour – The Road So Far
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================================================================================
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Ubuntu Touch will be released in a little over a month, which means that the operating systems is getting pretty close to its stable version. We took a look at the interface and functions and we put together a comprehensive screenshot tour.
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The general feel and design that has been presented back in January for Ubuntu Touch has been kept, but the operating system is no longer full of dummy apps. Most of applications included by default are now working.
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This means that if you download and install today Ubuntu Touch you will have a minimally working phone. You will be able to call and receive calls, and to send and receive SMS messages. The browser is also working, along with the image viewer and the gallery.
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Other features include a minimal Contacts feature, a smoother launcher, a calendar, and camera. This latest app includes a lot of features and some of them are not even available on other operating systems.
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There are still a few problems with some of the base features, such as the clock, which can’t be set manually, and there isn’t an alarm app available.
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As expected, this is not a stable version and it will not provide a smooth ride. Canonical has implemented an OTA update functionality and the developers are pushing updates on a daily basis. When the 1.0 version will be made available, on October 17 if everything goes well, Ubuntu Touch should be a lot better.
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Ubuntu Touch is developed, so far, for the Nexus 4 and 7 devices from LG and Google, but it’s expected to arrive on multiple other devices with the help of the XDA developers.
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If just these features will be available by the time of the launch, including a way to import Gmail contacts and a simple email application, a lot of users will be ready to abandon their current operating system.
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If you don’t know already, Ubuntu Touch is an operating system developed by Canonical for phones and tablets. It features a design without buttons and it relies solely on touch input, hence the name.
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Check the gallery below to see how the interface has evolved and what are the features implemented so far.
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via: http://news.softpedia.com/news/Ubuntu-Touch-Screenshot-Tour-The-Road-So-Far-385145.shtml
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[译者ID][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linux.cn/space/校对者ID
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