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ãŠä¹…ã—ã¶ã‚Šã§ã™ã€‚yokkunsã§ã™ã€‚ ç¾åœ¨ã€Fedora10ã®KVM上ã§ä»®æƒ³ãƒžã‚·ãƒ³ã‚’仮想ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã§å‹•ã‹ã—ã¦ã„ãŸã‚“ã§ã™ãŒã€ä»Šå›žãƒ–リッジ接続ã«æŒ‘戦ã—ã¦ã¿ã¾ã—ãŸã€‚ ブリッジã®ä½œæˆã«é–¢ã—ã¦ã¯ã€ä»¥ä¸‹ã®è¨˜äº‹ã‚’å‚考ã«ã—ã¾ã—ãŸã€‚ http://www.coevolver.net/entries/220 KVMã®å°Žå…¥ã¨åŸºæœ¬çš„ãªä½¿ã„æ–¹ (3/3)：知ã£ã¦è¦‹ã‚‹ã¿ã‚‹KVM（2） - ï¼ IT 動作環境ã¯ã€ä»¥ä¸‹ã§ã™ã€‚ Fedora 10 2.6.27.21-170.2.56.fc10.x86_64 kvm 74-10.fc10.x86_64 etherboot-roms-kvm 5.4.4-4.fc10.x86_64 libvirt-python 0.5.1-2.fc10.x86_64 libvirt 0.5.1-2.fc10.x86_64 qemu-img 0.9.1-12.fc10.x86_64 qemu 0
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アナウンス後ã‚ãšã‹2カ月ã§Linux Kernelã«ãƒžãƒ¼ã‚¸ã•ã‚ŒãŸã“ã¨ã§ä¸€èºæ³¨ç›®ã‚’æµ´ã³ã‚‹ã“ã¨ã«ãªã£ãŸä»®æƒ³åŒ–技術「KVMã€ã€‚ã—ã‹ã—ã€ãã®å…·ä½“çš„ãªä»•çµ„ã¿ã‚„使用方法ã¨ãªã‚‹ã¨ã€æ„外ã¨çŸ¥ã‚‰ã‚Œã¦ã„ãªã„ã®ã§ã¯ãªã„ã§ã—ょã†ã‹ã€‚ã“ã®é€£è¼‰ã§ã¯ãã‚“ãªKVMã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ï¼ˆç·¨é›†éƒ¨ï¼‰ å‰å›žã€ŒLinux標準ã®ä»®æƒ³åŒ–技術『KVMã€ã®ä»•çµ„ã¿ã€ã§ã¯ã€ã€KVM（Kernel-based Virtual Machine）ã®æ¦‚è¦ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã—ãŸã€‚今回ã¯ãれをè¸ã¾ãˆã¦ã€åŸºæœ¬çš„ãªä½¿ã„方を説明ã—ã¾ã™ã€‚KVMã¯GUIツールã§æ“作ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ãŒã€ä»Šå›žã¯åŸºæœ¬ã‚’押ã•ãˆã‚‹ãŸã‚ã€ã™ã¹ã¦ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§è¡Œã£ã¦ã¿ã¾ã—ょã†ã€‚ 実際ã«KVMを使ã†å ´åˆã«ã¯GUIツールを使ã†ã“ã¨ãŒæƒ³å®šã•ã‚Œã¾ã™ãŒã€ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§ã®æ“作を押ã•ãˆã¦ãŠã‘ã°ã€GUIツールã®è£å´ã§å®Ÿéš›ã«ä½•ã‚’ã‚„ã£ã¦ã„ã‚‹ã®ã‹ã‚’ç†è§£ã§ãã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ 今回ã®è©±ã®æµã‚Œã¯ä»¥ä¸‹ã®ã¨ãŠã‚Šã§ã™ã€‚
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使ã„æ–¹ã«å¿œã˜ãŸãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ§‹æˆï¼ˆç¶šã） â—ケース4：サービス用ã®ã‚²ã‚¹ãƒˆOSを複数起動ã—ã€å¤–部ノードã‹ã‚‰ã‚²ã‚¹ãƒˆOSã«ç°¡å˜ã«ã‚¢ã‚¯ã‚»ã‚¹ã§ãるよã†ã«ã™ã‚‹ ホストã®ç‰©ç†NICã¨ã‚²ã‚¹ãƒˆOSãŒæŽ¥ç¶šã™ã‚‹tapデãƒã‚¤ã‚¹ã‚’ブリッジã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã¨ã—ã¦è¨å®šã—ã¾ã™ã€‚ã“ã‚Œã«ã‚ˆã‚Šãƒ›ã‚¹ãƒˆOSã®æŽ¥ç¶šã—ã¦ã„る物ç†çš„ãªL2ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«ã€ã‚²ã‚¹ãƒˆOSãŒæŽ¥ç¶šã—ã¦ã„るよã†ã«æ©Ÿèƒ½ã—ã¾ã™ã€‚ãã®ãŸã‚ã€å¤–部ホストã¯ã‚‚ã¡ã‚ã‚“ã€ã‚²ã‚¹ãƒˆOSé–“ã®é€šä¿¡ã‚‚è¡Œã†ã“ã¨ãŒã§ãã¾ã™ã€‚ ãªãŠã€ã‚±ãƒ¼ã‚¹1〜3ã¾ã§ã¯ã€kvmグループã«æ‰€å±žã—ã¦ã„ã‚Œã°ä¸€èˆ¬ãƒ¦ãƒ¼ã‚¶ãƒ¼ã§å®Ÿè¡Œã§ãã¾ã—ãŸãŒã€ã‚±ãƒ¼ã‚¹4ã§ä½¿ç”¨ã™ã‚‹tapデãƒã‚¤ã‚¹ã«ã¯root権é™ãŒå¿…è¦ã§ã™ã€‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ§‹æˆã¯å›³4ã§ã™ã€‚ # ifconfig eth0 0.0.0.0 promisc up     â†eth0をプãƒãƒŸã‚¹ã‚ャスモードã«ã™ã‚‹ # brctl addbr br0                    â†
KVMを用ã„ã¦ã€ã‚«ãƒ¼ãƒãƒ«ã‚¤ãƒ¡ãƒ¼ã‚¸ã‹ã‚‰ç›´æŽ¥èµ·å‹•ã—ãŸã„...ï¼(未解決) - big-eyed-hamster’s diary
ã¨ã„ã†ã®ã¯ã€éœ€è¦ã¨ã—ã¦ã¯ã‹ãªã‚Šã‚ã‚Šã¾ã™ã‚ˆã. ã¨ã„ã†ã‚ã‘ã§ã€ä»¥ä¸‹ã®ã‚ªãƒ—ションを用ã„ã‚‹ã“ã¨ã§ãƒ–ートã§ãã‚‹...ã¯ãšãªã®ã§ã™ãŒï¼ /usr/local/kvm/88/bin/qemu-system-x86 -kernel /boot/vmliuz-2.6.28-15-generic -initrd /boot/initrd.img-2.6.28-15-generic -hda /dev/zero -append "root=/dev/hda rootdelay=90"ä¸åº¦virtio-pciã‚’èªã¿ã“ã‚“ã 後ã«ã€ Begin: Loading essential drivers... done. ... Begin: Mounting for root file system ... Begin: Waiting for root file system Gave up wating for ro
KVMを用ã„ã¦ã€ã‚«ãƒ¼ãƒãƒ«ã‚¤ãƒ¡ãƒ¼ã‚¸ã‹ã‚‰ç›´æŽ¥èµ·å‹•ã—ãŸã„...ï¼(解決編) + パッãƒæŠ•ã’㟠- big-eyed-hamster’s diary
先日ã®è¨˜äº‹ã§ã€KVMã‹ã‚‰ã®ç›´ãƒ–ートã«å¤±æ•—ã—ã¦ã„ã¾ã—ãŸãŒã€ç„¡äº‹ã«å‹•ä½œã—ã¾ã—ãŸï¼ /usr/local/kvm/88/bin/qemu-system-x86 -kernel /boot/vmliuz-2.6.28-15-generic -initrd /boot/initrd.img-2.6.28-15-generic -hda ~/disks/ubuntu.img -append "root=/dev/sda"ã§ãƒ–ートã—ã¾ã™. å‰å›žçŠ¯ã—ã¦ã„ãŸéŽã¡ã¯ã€ãƒ«ãƒ¼ãƒˆãƒ‡ãƒã‚¤ã‚¹ã‚’ "/dev/hda" ã¨ç¤ºã—ã¦ã„ãŸã“ã¨ã§ã™. busyboxä¸ã§ã€ $ ls /dev/hdaã¨ã—ã¦ã‚‚ã€ã¨ã—ã¦ã‚‚ã€ä½•ã‚‚出ã¦ã“ãªã‹ã£ãŸã®ã§ãŠã‹ã—ã„ãªãã¨ã¯æ€ã£ã¦ã„ã¾ã—ãŸãŒw id:viverã¨id:kidminã«ã‚¢ãƒ‰ãƒã‚¤ã‚¹é ‚ãã€å†åº¦ ls ã—ç›´ã—ã¦ã¿ã‚‹ã¨... $ ls /dev/ | grep da sda sda1 sda2
Stray Penguin - Linux Memo (KVM)
KVM = Kernel-based Virtual Machine ã®ä¸æ ¸ã¯ Linux カーãƒãƒ«ã®ãƒãƒ¼ãƒ€ãƒ–ルモジュールã§ã€QEMU ã¨å”力ã—ã¦ãƒ›ã‚¹ãƒˆOS上ã§ä»®æƒ³ãƒžã‚·ãƒ³ã‚’実行ã™ã‚‹ã“ã¨ãŒã§ãる。Xen ã¨ç•°ãªã‚‹ã®ã¯ã€Xen ㌠Nemesis ã¨ã„ã†ç•°ç¨®OS ã‚’ãƒã‚¤ãƒ‘ーãƒã‚¤ã‚¶ã¨ã—ã€ãƒ›ã‚¹ãƒˆOS ã¯ãã®ä¸Šã§å‹•ã特権ゲストã¨ä½ç½®ã¥ã‘られるã®ã«å¯¾ã—ã¦ã€KVM ã§ã¯ Linux ホストOS 自体ãŒãƒã‚¤ãƒ‘ーãƒã‚¤ã‚¶ã¨ãªã‚Šã€å€‹ã€…ã®ã‚²ã‚¹ãƒˆãƒ—ラットフォームãŒå„々ã²ã¨ã¤ã®ãƒ—ãƒã‚»ã‚¹ã¨ã—ã¦å®Ÿè¡Œã•ã‚Œã‚‹ç‚¹ã 。ã¾ãŸã€Xen ãŒãƒ•ãƒ«ãƒãƒ¼ãƒãƒ£ãƒ©ã‚¤ã‚¼ãƒ¼ã‚·ãƒ§ãƒ³ (完全仮想化) ã¨ãƒ‘ラãƒãƒ¼ãƒãƒ£ãƒ©ã‚¤ã‚¼ãƒ¼ã‚·ãƒ§ãƒ³ (準仮想化) ã®ä¸¡æ–¹ã‚’æä¾›ã—ã¦ã„ã‚‹ã®ã«å¯¾ã—ã¦ã€KVM ã¯ãƒ•ãƒ«ãƒãƒ¼ãƒãƒ£ãƒ©ã‚¤ã‚¼ãƒ¼ã‚·ãƒ§ãƒ³å°‚用。ãã®ãŸã‚ã€ã‚²ã‚¹ãƒˆOS ã®ã‚«ãƒ¼ãƒãƒ«ã‚’ Xen 用ã«æ”¹å¤‰ã—ã¦ãƒã‚¤ãƒ‘ーãƒã‚¤ã‚¶ã¨ã®è©±ã—方を教ãˆã¦ã‚„ã‚‹ã¨ã„ã†ã‚ˆã†ãªã“ã¨ãŒå¿…è¦ãªã„。完全仮想化ã«ã‚ˆã‚‹ã‚ª
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