{"id":6484,"date":"2017-02-11T17:12:52","date_gmt":"2017-02-11T09:12:52","guid":{"rendered":"http:\/\/rmohan.com\/?p=6484"},"modified":"2017-02-11T17:12:52","modified_gmt":"2017-02-11T09:12:52","slug":"quick-copy-paste-how-to-install-kvm-on-centos-6","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=6484","title":{"rendered":"Quick copy & paste how-to: Install KVM on CentOS 6"},"content":{"rendered":"

CentOS 6.7 64bit
\nISO: ftp:\/\/ftp.hosteurope.de\/mirror\/centos.org\/6.7\/isos\/x86_64\/CentOS-6.7-x86_64-netinstall.iso<\/code><\/p>\n

URL for netinstall: ftp:\/\/ftp.hosteurope.de\/mirror\/centos.org\/6.7\/os\/x86_64<\/p>\n

LVM vg: 100%<\/p>\n

Host: lv_root \/ 200 GB<\/p>\n

vi \/etc\/sysconfig\/selinux
\nSELINUX=disabled<\/p>\n

yum install wget screen lynx vim kvm libvirt python-virtinst qemu-kvm ncftp tigervnc tigervnc-server system-config-firewall-tui xterm twm bridge-utils virt-manager openssh-askpass openssh-clients dbus-python dbus<\/p>\n

yum groupinstall Desktop<\/p>\n

yum update<\/p>\n

\/etc\/init.d\/messagebus start<\/p>\n

system-config-firewall-tui
\n-> disable firewall<\/p>\n

vi \/etc\/sysconfig\/vncservers
\nVNCSERVERS=”10:root”
\nVNCSERVERARGS[10]=”-geometry 1024×768″<\/p>\n

vi \/etc\/ssh\/sshd_config
\nPort 450
\nPermitRootLogin without-password<\/p>\n

adduser admin
\npasswd admin<\/p>\n

chkconfig rpcidmapd off
\nchkconfig rpcgssd off
\nchkconfig nfslock off
\nchkconfig netfs off
\nchkconfig rpcbind off
\nchkconfig dnsmasq off
\nchkconfig NetworkManager off
\nchkconfig messagebus off<\/p>\n

vncpasswd<\/p>\n

vi \/root\/.vnc\/xstartup<\/p>\n

#!\/bin\/sh
\n[ -r \/etc\/sysconfig\/i18n ] && . \/etc\/sysconfig\/i18n
\nexport LANG
\nexport SYSFONT
\nvncconfig -iconic &
\nunset SESSION_MANAGER
\nunset DBUS_SESSION_BUS_ADDRESS
\nOS=`uname -s`
\nif [ $OS = ‘Linux’ ]; then
\ncase “$WINDOWMANAGER” in
\n*gnome*)
\nif [ -e \/etc\/SuSE-release ]; then
\nPATH=$PATH:\/opt\/gnome\/bin
\nexport PATH
\nfi
\n;;
\nesac
\nfi
\nif [ -x \/etc\/X11\/xinit\/xinitrc ]; then
\nexec \/etc\/X11\/xinit\/xinitrc
\nfi
\nif [ -f \/etc\/X11\/xinit\/xinitrc ]; then
\nexec sh \/etc\/X11\/xinit\/xinitrc
\nfi
\n[ -r $HOME\/.Xresources ] && xrdb $HOME\/.Xresources
\nxsetroot -solid grey
\nxterm -geometry 80×24+10+10 -ls -title “$VNCDESKTOP Desktop” &
\ntwm &<\/p>\n

chmod 755 \/root\/.vnc\/xstartup<\/p>\n

vi \/etc\/sysconfig\/network-scripts\/ifcfg-eth0
\nDEVICE=eth0
\nBOOTPROTO=none<\/strong>
\n# BROADCAST=x.x.x.x
\n# DNS1=x.x.x.x
\n# GATEWAY=x.x.x.x
\nHWADDR=00:25:90:38:66:c6
\n# IPADDR=x.x.x.x
\n# NETMASK=x.x.x.x
\nNM_CONTROLLED=yes
\nONBOOT=yes
\nTYPE=Ethernet
\n# DNS2=x.x.x.x
\nIPV6INIT=no
\nUSERCTL=no
\nBRIDGE=br0<\/p>\n

vi \/etc\/sysconfig\/network-scripts\/ifcfg-br0
\nDEVICE=br0
\nTYPE=Bridge
\nBOOTPROTO=none
\nONBOOT=yes
\nDELAY=0
\nNM_CONTROLLED=no
\nBROADCAST=x.x.x.x
\nDNS1=x.x.x.x
\nGATEWAY=x.x.x.x
\nIPADDR=x.x.x.x
\nNETMASK=x.x.x.x
\nDNS2=x.x.x.x
\nIPV6INIT=no
\nUSERCTL=no<\/p>\n

vi \/etc\/sysctl.conf
\nnet.ipv4.ip_forward = 1
\nnet.ipv6.conf.all.disable_ipv6 = 1
\nnet.ipv6.conf.default.disable_ipv6 = 1<\/p>\n

In \/etc\/postfix\/main.cf:
\ninet_protocols = ipv4<\/p>\n

reboot<\/p>\n

Add hostname to \/etc\/hosts<\/p>\n

\/etc\/init.d\/vncserver start
\n<\/code><\/p>\n

VNC connect to host:10<\/p>\n

virt-manager:<\/p>\n

localhost -><\/p>\n

1. Virtual Networks -> default -> Basic details: device: (or virbr0), Autostart: unchecked -> Apply<\/p>\n

2. Storage -> + (add) -> logical, Name \u201cvm-lvm\u201d -> Build Pool: unchecked -> Source Name: name of existing LVM volume group -> Finish<\/p>\n

Done!<\/p>\n","protected":false},"excerpt":{"rendered":"

CentOS 6.7 64bit ISO: ftp:\/\/ftp.hosteurope.de\/mirror\/centos.org\/6.7\/isos\/x86_64\/CentOS-6.7-x86_64-netinstall.iso<\/p>\n

URL for netinstall: ftp:\/\/ftp.hosteurope.de\/mirror\/centos.org\/6.7\/os\/x86_64<\/p>\n

LVM vg: 100%<\/p>\n

Host: lv_root \/ 200 GB<\/p>\n

vi \/etc\/sysconfig\/selinux SELINUX=disabled<\/p>\n

yum install wget screen lynx vim kvm libvirt python-virtinst qemu-kvm ncftp tigervnc tigervnc-server system-config-firewall-tui xterm twm bridge-utils virt-manager openssh-askpass openssh-clients dbus-python dbus<\/p>\n

yum groupinstall Desktop<\/p>\n

yum update<\/p>\n

\/etc\/init.d\/messagebus start<\/p>\n

system-config-firewall-tui -> disable firewall<\/p>\n

vi \/etc\/sysconfig\/vncservers […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,73],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6484"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6484"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6484\/revisions"}],"predecessor-version":[{"id":6485,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6484\/revisions\/6485"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}