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20150211-3 选题
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How To Protect Ubuntu Server Against the GHOST Vulnerability
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================================================================================
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On January 27, 2015, a GNU C Library (glibc) vulnerability, referred to as the GHOST vulnerability, was announced to the general public. In summary, the vulnerability allows remote attackers to take complete control of a system by exploiting a buffer overflow bug in glibc's GetHOST functions.Check more details from [here][1]
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The GHOST vulnerability can be exploited on Linux systems that use versions of the GNU C Library prior to glibc-2.18. That is, systems that use an unpatched version of glibc from versions 2.2 to 2.17 are at risk.
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### Check System Vulnerability ###
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You can use the following command to check the glib version
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ldd --version
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### Output ###
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ldd (Ubuntu GLIBC 2.19-10ubuntu2) **2.19**
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Copyright (C) 2014 Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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Written by Roland McGrath and Ulrich Drepper.
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The glib version should be above 2.17 and from the output we are running 2.19.If you are seeing glib version between 2.2 to 2.17 then you need to run the following commands
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sudo apt-get update
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sudo apt-get dist-upgrade
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After the installation you need to reboot the server using the following command
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sudo reboot
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After reboot use the same command again and check the glib version.
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--------------------------------------------------------------------------------
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via: http://www.ubuntugeek.com/how-to-protect-ubuntu-server-against-the-ghost-vulnerability.html
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作者：[ruchi][a]
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译者：[译者ID](https://github.com/译者ID)
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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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[a]:http://www.ubuntugeek.com/author/ubuntufix
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[1]:http://chargen.matasano.com/chargen/2015/1/27/vulnerability-overview-ghost-cve-2015-0235.html
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Install Linux-Dash (Web Based Monitoring tool) on Ubntu 14.10
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================================================================================
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A low-overhead monitoring web dashboard for a GNU/Linux machine. Simply drop-in the app and go!.Linux Dash's interface provides a detailed overview of all vital aspects of your server, including RAM and disk usage, network, installed software, users, and running processes. All information is organized into sections, and you can jump to a specific section using the buttons in the main toolbar. Linux Dash is not the most advanced monitoring tool out there, but it might be a good fit for users looking for a slick, lightweight, and easy to deploy application.
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### Linux-Dash Features ###
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A beautiful web-based dashboard for monitoring server info
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Live, on-demand monitoring of RAM, Load, Uptime, Disk Allocation, Users and many more system stats
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Drop-in install for servers with Apache2/nginx + PHP
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Click and drag to re-arrange widgets
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Support for wide range of linux server flavors
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### List of Current Widgets ###
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- General info
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- Load Average
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- RAM
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- Disk Usage
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- Users
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- Software
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- IP
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- Internet Speed
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- Online
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- Processes
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- Logs
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### Install Linux-dash on ubuntu server 14.10 ###
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First you need to make sure you have [Ubuntu LAMP server 14.10][1] installed and Now you have to install the following package
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sudo apt-get install php5-json unzip
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After the installation this module will enable for apache2 so you need to restart the apache2 server using the following command
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sudo service apache2 restart
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Now you need to download the linux-dash package and install
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wget https://github.com/afaqurk/linux-dash/archive/master.zip
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unzip master.zip
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sudo mv linux-dash-master/ /var/www/html/linux-dash-master/
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Now you need to change the permissions using the following command
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sudo chmod 755 /var/www/html/linux-dash-master/
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Now you need to go to http://serverip/linux-dash-master/ you should see similar to the following output
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--------------------------------------------------------------------------------
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via: http://www.ubuntugeek.com/install-linux-dash-web-based-monitoring-tool-on-ubntu-14-10.html
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作者：[ruchi][a]
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译者：[译者ID](https://github.com/译者ID)
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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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[a]:http://www.ubuntugeek.com/author/ubuntufix
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[1]:http://www.ubuntugeek.com/step-by-step-ubuntu-14-10-utopic-unicorn-lamp-server-setup.html
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