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305 lines
11 KiB
305 lines
11 KiB
How to setup a cgminer using xubuntu 11.04 live on a USB |
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The master version of this document is here: |
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https://github.com/kanoi/linux-usb-cgminer |
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The actual file is: |
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https://github.com/kanoi/linux-usb-cgminer/blob/master/linux-usb-cgminer |
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The copy in cgminer (check to make sure it isn't older) is: |
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https://github.com/ckolivas/cgminer/blob/master/linux-usb-cgminer |
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The original old verion on bitcointalk is: |
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https://bitcointalk.org/index.php?topic=28402.msg426741#msg426741 |
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======== |
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I have said to select English for the install process for 2 reasons: |
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1) I don't know any other spoken language very well |
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and |
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2) I'm not sure what problems installing under a different language |
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might cause (it will probably cause no problems but I don't know) |
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Software |
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======== |
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Short hardware comment: |
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Your mining computer doesn't need any HDD or CD/DVD/BD as long as it has at |
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least 2GB of RAM, can boot USB, has some network connection to the internet |
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and of course a reasonable mining ATI graphics card |
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... Or you can boot a windows PC with the USB to only do mining ... and ignore |
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the system HDD ... wasting energy running the HDD (roughly 10 Watts per HDD) :) |
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If you wish to install to an HDD instead of a USB, |
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see the changes to the instructions at the end |
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To create the USB, you need of course a 4GB USB and temporarily need a PC |
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with a CD (or DVD/BD) writer, a USB port and of course an internet |
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connection to the PC |
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1) Download the xubuntu 11.04 desktop live CD iso for amd64 |
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( look here for mirrors: http://www.xubuntu.org/getubuntu ) |
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2) Burn it to CD then boot that temporarily on any PC with a CD/DVD/BD and |
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a USB port (this and the next 2 step won't effect that PC) |
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Select "English" then select "Try Xubuntu without installing" |
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and wait for the desktop to appear |
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(this happens by default if you wait for the timeouts) |
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3) Plug in your 4GB USB device and it should appear on the desktop - you can |
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leave it's contents as long as there is at least 2.8GB free |
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4) Now run "Startup Disk Creator" in "Applications->System" |
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(the system menu is the little rat in the top left corner) |
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(if you have no mouse you can get the menu with <ctr><esc> and navigate |
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the menu with the arrow keys and <return> key) |
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From here select the boot CD as the "Source" and the USB as the "Disk to use" |
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lastly move the slider to 2GB for reserved extra space |
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The 2GB should be enough for modifications |
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Click: "Make Install Disk" |
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After about 10-15 minutes you have a base xubuntu 11.04 boot USB |
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(you can shut down this computer now) |
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5) Boot your cgminer PC with this USB stick, select "English" |
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then select "Try Xubuntu without installing" and wait for the desktop to |
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appear (this happens by default if you wait for the timeouts) |
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6) Start a terminal |
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"Applications->Accessories->Terminal Emulator" |
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7) sudo apt-get install openssh-server screen |
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if you have a problem here then it's probably coz the internet isn't |
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available ... sort that out by reading elsewhere about routers etc |
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8) sudo apt-get install fglrx fglrx-amdcccle fglrx-dev |
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sudo sync |
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sudo shutdown -r now |
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N.B. always do a "sudo sync" and wait for it to finish every time before |
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shutting down the PC to ensure all data is written to the USB |
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9) sudo aticonfig --lsa |
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this lists your ATI cards so you can see them |
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sudo aticonfig --adapter=all --odgt |
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this checks it can access all the cards ... |
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10) sudo aticonfig --adapter=all --initial |
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this gets an error - no idea why but the xorg.conf is OK |
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sudo sync |
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sudo shutdown -r now |
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11) sudo aticonfig --adapter=all --odgt |
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this checks it can access all the cards ... |
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12) get AMD-APP-SDK-v2.4-lnx64.tgz from |
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http://developer.amd.com/sdks/amdappsdk/downloads/pages/default.aspx |
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( http://developer.amd.com/Downloads/AMD-APP-SDK-v2.4-lnx64.tgz ) |
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sudo su |
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cd /opt |
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(replace /home/ubuntu/ with wherever you put the file: ) |
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tar -xvzf /home/ubuntu/AMD-APP-SDK-v2.4-lnx64.tgz |
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cd AMD-APP-SDK-v2.4-lnx64/ |
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cp -pv lib/x86_64/* /usr/lib/ |
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rsync -avl include/CL/ /usr/include/CL/ |
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tar -xvzf icd-registration.tgz |
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rsync -avl etc/OpenCL/ /etc/OpenCL/ |
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ldconfig |
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sync |
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shutdown -r now |
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You now have an OpenCL enabled xubuntu |
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13) cgminer: |
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sudo apt-get install curl |
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get the binary linux cgminer |
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(see the bitcoin forum cgminer thread for where to get it) |
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https://bitcointalk.org/index.php?topic=28402.0 |
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./cgminer -n |
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this shows you the GPU's it found on your PC |
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See further below if you get an error regarding libtinfo.so.5 |
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14) An OC option: |
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This is no longer needed since cgminer 2.* includes OC, however: |
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sudo apt-get install libwxbase2.8-0 libwxgtk2.8-0 |
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http://sourceforge.net/projects/amdovdrvctrl/ |
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for an Over/underclocking application and get the file listed below then: |
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sudo dpkg -i amdoverdrivectrl_1.2.1_amd64.deb |
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15) set the screen saver to ONLY blank ... |
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Move the mouse to the bottom of the screen and you see a set of icons like |
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on an Apple PC |
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Click on Settings, then in the Settings window "Screensaver" |
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Set "Mode:" to "Blank Screen Only" |
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16) apt-get install ntpd |
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An accurate clock is always a good idea :) |
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17) if you wish to ssh into the box you must set a password |
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to do this you simply have to be logged into it at the screen and type |
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sudo passwd ubuntu |
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it will prompt you (twice) to enter a password for the ubuntu account |
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Initial setup complete. |
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======== |
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If you want to SSH into the machine and run cgminer: |
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From a terminal on the miner display each time after you boot: |
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xhost + |
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'xhost +' isn't needed if you ssh into the machine with the same |
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username that the GUI boots into (which is 'ubuntu' in this case) |
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Then after you ssh into the machine: |
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export DISPLAY=:0 |
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before running cgminer |
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Also note, that you should force the screen to blank when mining if |
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the ATI card is displaying the screen (using the screen saver |
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application menu) |
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In my case it takes away 50Mh/s when the screen isn't blanked |
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It will auto blank - but make sure the blank is of course just blank |
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as mentioned above at 15) |
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This is of course just the basics ... but it should get you a computer |
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up and running and able to run cgminer |
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======== |
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You should keep an eye on USB disk space |
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The system logger writes log files in the /var/log/ directory |
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The two main ones that grow large are 'kern.log' and 'syslog' |
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If you want to keep them, save them away to some other computer |
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When space is low, just delete them e.g. |
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sudo rm -i /var/log/syslog |
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sudo rm -i /var/log/kern.log |
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The 'df' command will show you the current space e.g.: |
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sudo df |
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Filesystem 1K-blocks Used Available Use% Mounted on |
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aufs 2099420 892024 1100748 45% / |
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none 1015720 628 1015092 1% /dev |
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/dev/sda1 3909348 2837248 1072100 73% /cdrom |
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/dev/loop0 670848 670848 0 100% /rofs |
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none 1023772 136 1023636 1% /dev/shm |
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tmpfs 1023772 16 1023756 1% /tmp |
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none 1023772 124 1023648 1% /var/run |
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none 1023772 0 1023772 0% /var/lock |
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This shows the 2GB space allocated when you setup the USB as '/' (aufs) |
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In this example, it's currently 45% full with almost 1.1GB of free space |
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======== |
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The latest version (2.0.8) of cgminer is built with 11.10 (not 11.04) |
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If you get the following error when running the prebuilt version in 11.04: |
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./cgminer: error while loading shared libraries: libtinfo.so.5: cannot open shared object file: No such file or directory |
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The fix is to simply link the old curses library to the new name e.g.: |
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cd /lib64/ |
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sudo ln -s libncurses.so.5 libtinfo.so.5 |
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======== |
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If you wish to install to an HDD instead of a USB: |
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-------------------------------------------------- |
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As per before: |
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1) Download the xubuntu 11.04 desktop live CD iso for amd64 |
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( look here for mirrors: http://www.xubuntu.org/getubuntu ) |
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Then: |
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2) Burn it to CD then boot that on your new mining PC |
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Select "English" then select "Install Xubuntu" |
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(you have 30 seconds to do this) |
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3) When the Install window comes up - again select "English" and click "Forward" |
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4) The next page will show you if you meet certain install requirements |
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(make sure you do meet them all) |
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Don't select the download option |
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The 3rd party option isn't needed for mining so ignore that also |
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Click "Forward" |
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5) With "Allocate drive space" it's probably easiest to say to use the |
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"Erase" option. |
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This is just for mining right? :) |
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However, if you have anything on the HDD that you want to keep - the |
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"Erase" install process will delete it - so back it up (quit the install) |
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Also make sure there are no OTHER HDD attached that it may erase also |
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i.e. only have attached the one HDD that you want to install onto unless |
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you know exactly what you are doing |
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If you see the "Install Xubuntu 11.04 alongside 'something'" then that |
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just means that the HDD wasn't blank. |
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If you want to try this option - do that yourself and then skip to step |
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7) below when you get to that. |
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There are plenty of other options available if you select "Something else" |
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but I'm not going to go into all the details here other than to say that |
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my preferred partioning is: /boot = 1GB = ext2, swap = twice memory size, |
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/ = 100GB = ext3 and the rest: /extra = ext3 |
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Click "Forward" |
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6) If you selected "Erase" then it allows you to choose the drive to install to |
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Then click "Install Now" |
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7) "Where are you?" sort that out then click "Forward" |
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8) "Keyboard layout" sort that out (use the default) then click "Forward" |
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9) "Who are you?" The important one here is "Pick a username:" coz that's |
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the name you will need to ssh into, to access it remotely (and of course |
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the "Choose a Password" you set) |
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If you set the "username" to anything but "ubuntu" then: wherever in this |
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document I have mentioned the username "ubuntu" you must of course use the |
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username you chose here instead of "ubuntu" |
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Important: set it to "log in automatically" if you ever want to be able |
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to start cgminer without being in front of the computer since 'X' must |
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be running to use cgminer properly |
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That does of course mean that the computer isn't secure from anyone who |
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has access to it - but then again no computer that can automatically |
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reboot is secure from anyone who has access to the actual computer itself |
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Then click "Forward" |
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10) Of course when it completes click on "Restart Now" |
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... and remove the Xubuntu CD when it asks you |
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11) Wait for it to finish rebooting ... and it will auto login |
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(unless you didn't do step 9) "Important:") |
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12) After it logs in, an upgrade popup for 11.10 (or later) will appear |
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Select "Don't Upgrade" |
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13) Now go to step 6) of the USB script above for what to do next and that |
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covers everything else needed
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