Mounting Remote Folder Through SSH

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SSH is a very convenient tool on Linux that can be used to [[port-forwarding-using-ssh-tunnel]], [[proxy-using-ssh-tunnel]] and others besides its basic functions (remote shell). We can also use SSH to mount a remote folder to a local directory. We can use `sshfs` to mount remote folder through SSH tunnel securely over network. Install sshfs Install `sshfs`
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Setting Up Linux Network Gateway Using iptables and route

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Sharing the networking is important and setting up a gateway is a good solution to it. Building up the gateway on a Linux box is easy, cost efficient and reliable. With a Linux box, you can share the internet connection or the only cable connected to the network. The Linux box network configuration The Linux
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How to Set Up Socks Proxy Using SSH Tunnel

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We can set up a socks proxy on top of a SSH tunnel. Besides the common proxy functions, such as web browsing, the proxy on top of SSH tunnel also ensures the security between the browser and the proxy server (the SSH server). In this post, we introduce and explain how to set up a
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Automatically Backing Up Xen File-backed DomU

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A script for backing up file-backed Xen DomU is introduced in this post. This script can be changed to similar platform. In our cluster, virtual machines are stored under /lhome/xen/. Virtual machine with id vmid is stored in directory vmvmid. The raw image disk file name can also be derived from vmid. Some more details
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How to Remote Control Linux Server Using VNC through SSH Tunnel

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Sometimes we need to have the GUI of some application on the remote server. ssh’s X11 forwarding with “-X” parameter is a good and fast method. But if we want to have a whole desktop environment, vnc is a good choice. In this post, the method of how to control remote server using vnc through
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How to Duplicate Xen DomU Virtual Machines

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Assumption: There are VBD based Xen DomU virtual machines stored under /home/xen/vm-f11-sample/. There are two files under vm-f11-sample: vm0-f11.run (The configuration file) and vmdisk0 (The virtual disk). Now we want to duplicate the virtual machine vm0 stored under vm-f11-sample to vm-10.0.0.213 which is stored under vm-10.0.0.213. And vm-10.0.0.213’s ip will be 10.0.0.213. The steps to
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Howto: Git Server over SSH

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Git and SSH are both powerful tools, and git/ssh work well together. We introduce how to set up git server via ssh in this post. Git server through SSH is easy and fast to set up, although every user will have access to all repositories in the git server over SSH and every user is
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How to Speed Up Firefox DNS Lookup in Linux

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How to speed Up Firefox DNS Lookup in Linux: 1. Close IPV6 support # echo “alias net-pf-10 off” >> /etc/modprobe.conf # echo “alias ipv6 off” >> /etc/modprobe.conf Type “about:config” into the address line and enter. Set “network.dns.disableIPv6” to “true” 2. Some other tweaks Type “about:config” into the address line and enter. Set “network.http.pipelining” to “true”
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Configure sMobileNet of HKUST on Linux

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How to configure NetworkManager to connect to sMobileNet in HKUST is introduced in this post. The wireless network connection configuration for sMobileNet in NetworkManager The SSID is “sMobileNet” Wireless security is “WPA & WPA2 Enterprise” Authentication is “Protected EAP (PEAP)” Anonymous identity is “” (empty) CA certificate is “(None)” (there will be a warning appear,
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Colossus: Successor to the Google File System (GFS)

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Colossus is the successor to the Google File System (GFS) as mentioned in the paper on Spanner at OSDI 2012. Colossus is also used by spanner to store its tablets. The information about Colossus is slim compared with GFS which is published in the paper at SOSP 2003. There is still some information about Colossus
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Conference Ranking by Average Number of Citations in the Last 5 Years, 2012

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I am trying to find out the top conferences that have the largest average number of citations in the last 5 years on the Internet but fail to find one. However, there are many rankings about the overall citations and numbers of publications. Hence, it is not hard to calculate the average number of citations
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Hadoop Installation Tutorial (Hadoop 1.x)

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Update: If you are new to Hadoop and trying to install one. Please check the newer version: Hadoop Installation Tutorial (Hadoop 2.x). Hadoop mainly consists of two parts: Hadoop MapReduce and HDFS. Hadoop MapReduce is a programming model and software framework for writing applications, which is an open-source variant of MapReduce that is initially designed
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Conferences on Cloud Computing 2012

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This post lists important conferences on Cloud Computing in year 2012. OSDI 2012 10th USENIX Symposium on Operating Systems Design and Implementation (OSDI ’12) October 8–10, 2012, Hollywood, CA “The tenth OSDI seeks to present innovative, exciting research in computer systems. OSDI brings together professionals from academic and industrial backgrounds in what has become a
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mrcc – A Distributed C Compiler System on MapReduce

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The mrcc project’s homepage is here: mrcc project. Abstract mrcc is an open source compilation system that uses MapReduce to distribute C code compilation across the servers of the cloud computing platform. mrcc is built to use Hadoop by default, but it is easy to port it to other could computing platforms, such as MRlite,
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