Октябрь 25th, 2016 
Evgeniy Kamenev 1.Установка LXС и необходимых утилит Установка EPEL-репозитария
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# yum -y install epel-release |
Установка LXC
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# yum install bridge-utils debootstrap lxc lxc-templates |
Проверка наличия и расположения cgroup
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# mount -l | grep cgroup |
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tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/net_cls type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) |
Проверка параметров LXC/корректность установки LXC
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# lxc-checkconfig |
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Kernel configuration not found at /proc/config.gz; searching... Kernel configuration found at /boot/config-3.10.0-327.36.2.el7.x86_64 --- Namespaces --- Namespaces: enabled Utsname namespace: enabled Ipc namespace: enabled Pid namespace: enabled User namespace: enabled Network namespace: enabled Multiple /dev/pts instances: enabled --- Control groups --- Cgroup: enabled Cgroup clone_children flag: enabled Cgroup device: enabled Cgroup sched: enabled Cgroup cpu account: enabled Cgroup memory controller: enabled Cgroup cpuset: enabled --- Misc --- Veth pair device: enabled Macvlan: enabled Vlan: enabled Bridges: enabled Advanced netfilter: enabled CONFIG_NF_NAT_IPV4: enabled CONFIG_NF_NAT_IPV6: enabled CONFIG_IP_NF_TARGET_MASQUERADE: enabled CONFIG_IP6_NF_TARGET_MASQUERADE: enabled CONFIG_NETFILTER_XT_TARGET_CHECKSUM: enabled --- Checkpoint/Restore --- checkpoint restore: enabled CONFIG_FHANDLE: enabled CONFIG_EVENTFD: enabled CONFIG_EPOLL: enabled CONFIG_UNIX_DIAG: enabled CONFIG_INET_DIAG: enabled CONFIG_PACKET_DIAG: enabled CONFIG_NETLINK_DIAG: enabled File capabilities: enabled Note : Before booting a new kernel, you can check its configuration usage : CONFIG=/path/to/config /usr/bin/lxc-checkconfig |
Просмотр шаблонов, которые могут быть использованы при создании новых контейнеров для различных дистрибутивов и их разновидностей
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# rpm -ql lxc-templates | grep templates |
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/usr/share/lxc/templates/lxc-alpine /usr/share/lxc/templates/lxc-altlinux /usr/share/lxc/templates/lxc-archlinux /usr/share/lxc/templates/lxc-busybox /usr/share/lxc/templates/lxc-centos /usr/share/lxc/templates/lxc-cirros /usr/share/lxc/templates/lxc-debian /usr/share/lxc/templates/lxc-download /usr/share/lxc/templates/lxc-fedora /usr/share/lxc/templates/lxc-gentoo /usr/share/lxc/templates/lxc-openmandriva /usr/share/lxc/templates/lxc-opensuse /usr/share/lxc/templates/lxc-oracle /usr/share/lxc/templates/lxc-plamo /usr/share/lxc/templates/lxc-sshd /usr/share/lxc/templates/lxc-ubuntu /usr/share/lxc/templates/lxc-ubuntu-cloud |
Запск и проверка состояния LXC
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# systemctl start lxc |
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# systemctl status lxc |
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● lxc.service - LXC Container Initialization and Autoboot Code Loaded: loaded (/usr/lib/systemd/system/lxc.service; disabled; vendor preset: disabled) Active: active (exited) since Mon 2016-10-17 22:29:34 EEST; 16s ago Process: 1258 ExecStart=/usr/libexec/lxc/lxc-autostart-helper start (code=exited, status=0/SUCCESS) Process: 1250 ExecStartPre=/usr/libexec/lxc/lxc-devsetup (code=exited, status=0/SUCCESS) Main PID: 1258 (code=exited, status=0/SUCCESS) Oct 17 22:29:04 centos71.kamaok.org.ua systemd[1]: Starting LXC Container Initialization and Autoboot Code... Oct 17 22:29:04 centos71.kamaok.org.ua lxc-devsetup[1250]: Creating /dev/.lxc Oct 17 22:29:04 centos71.kamaok.org.ua lxc-devsetup[1250]: /dev is devtmpfs Oct 17 22:29:04 centos71.kamaok.org.ua lxc-devsetup[1250]: Creating /dev/.lxc/user Oct 17 22:29:34 centos71.kamaok.org.ua lxc-autostart-helper[1258]: Starting LXC autoboot containers: [ OK ] Oct 17 22:29:34 centos71.kamaok.org.ua systemd[1]: Started LXC Container Initialization and Autoboot Code. |
Добавление в автозагрузку LXC […]
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