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| − | {{Warning|The majority of the content on this page only applies to older, unsupported Debian versions and is archived on this page for historical reasons only. '''The page you need is [[Installation on Debian]].'''}}
| + | = Sarge (Stable) = |
| | + | The OpenVZ packages at http://debian.systs.org/ aimed to install OpenVZ in a easy way, some task are done on install process! |
| | | | |
| − | OpenVZ consists of a kernel, user-level tools, and container templates.
| |
| | | | |
| − | This guide tells how to install the kernel and the tools on [http://www.debian.org Debian] Etch or Lenny/Squeeze.
| + | == edit apt source settings == |
| | + | Add to your "/etc/apt/sources.list" |
| | | | |
| − | For Squeeze, use the Lenny directions.
| + | <pre> |
| | + | deb http://debian.systs.org/ stable openvz |
| | + | </pre> |
| | | | |
| − | For Wheezy (7.0), use the vzctl package included in wheezy, together with the Wheezy OpenVZ kernels from [http://download.openvz.org/debian/ http://download.openvz.org/debian/]. Alternatively reduced functionality may be possible using the stock Debian Wheezy kernel (based on kernel.org version 3.2) and [[Vzctl_for_upstream_kernel]].
| + | and get the new package lists |
| | | | |
| − | You may also wish to check the information on [http://wiki.debian.org/OpenVz the Debian wiki].
| + | <pre> |
| | + | # apt-get update |
| | + | </pre> |
| | | | |
| − | For Etch users, this document explains how to partially upgrade to Debian Lenny and install from lenny repositories ('''use this options at your risk''').
| |
| | | | |
| − | == Requirements == | + | == precompiled kernel images at debian.systs.org (dso) == |
| | + | The kernel-images on debian.systs.org (dso) use the same kernel-config taken from OpenVZ. |
| | + | (most kernel-modules are built-in!) |
| | | | |
| − | === Filesystems ===
| + | kernel(s) for i368 and amd64 |
| − | It's recommended that you use a separate partition for container private
| + | <pre> |
| − | directories (by default <code>/var/lib/vz/private/<CTID></code>). The reason for this is that if you wish to use the OpenVZ per-container disk quota, you won't be able to use usual Linux disk quotas on the same partition. Bear in mind that "per-container quota" in this context includes not only pure per-container quota but also the usual Linux disk quota used in container, not on the [[HN]].
| + | ovzkernel-2.6.9 |
| | + | ovzkernel-2.6.9-smp |
| | | | |
| − | At the very least try to avoid using the root partition for containers, because the root user of a container will be able to overcome the 5% disk space barrier in some situations. If the HN root partition is completely filled, it will break the system.
| + | ovzkernel-2.6.18 |
| − | | + | ovzkernel-2.6.18-smp |
| − | OpenVZ per-container disk quota is supported only for ext2/ext3 filesystems; therefore it makes sense to use one of these filesystems (ext3 is recommended) if you need per-container disk quota.
| + | </pre> |
| − | | |
| − | === Repository setup (Etch only) ===
| |
| − | | |
| − | '''If you are using Debian Lenny, this step in no longer required. Openvz kernel packages and tools are available on main repository.'''
| |
| − | | |
| − | ==== 1. Using openvz.org repositories ====
| |
| − | | |
| − | At the moment two different repositories are online at http://download.openvz.org:
| |
| − | | |
| − | ; by Ola Lundqvist <opal@debian.org>
| |
| − | : (OpenVZ kernels only)
| |
| − | : apt-uri http://download.openvz.org/debian
| |
| − | | |
| − | ; by Thorsten Schifferdecker <tsd@debian.systs.org>
| |
| − | : apt-uri http://download.openvz.org/debian-systs
| |
| − | : (Mirror of OpenVZ Repository from http://debian.systs.org/)
| |
| − | | |
| − | {{Note|The next steps use the repository at http://download.openvz.org/debian-systs; the actual OpenVZ Tools for Debian exist only as unstable builds, see http://packages.debian.org/vzctl}}
| |
| − | | |
| − | {{Note|By default, on Ubuntu systems root tasks are executed with [https://help.ubuntu.com/community/RootSudo sudo]}}
| |
| | | | |
| − | This can be done via the following commands, as root or as privileged "sudo" user
| + | i386 only: |
| | <pre> | | <pre> |
| − | # echo -e "\ndeb http://download.openvz.org/debian-systs etch openvz" >> /etc/apt/sources.list
| + | ovzkernel-2.6.18-enterprise |
| − | # wget -q http://download.openvz.org/debian-systs/dso_archiv_signing_key.asc -O- | apt-key add - && apt-get update
| |
| | </pre> | | </pre> |
| | | | |
| − | ==== 2. Using Debian repositories (upgrade to lenny) ====
| + | OpenVZ tool(s) for i386 and amd64 |
| − | | |
| − | There is even a '''lenny''' repository with kernel 2.6.28. '''Use it at your own risk!'''
| |
| − | | |
| − | Add lenny repositories to your '''/etc/apt/sources.list'''
| |
| | <pre> | | <pre> |
| − | deb http://DEBIAN-MIRROR/debian/ testing main
| + | vzctl |
| − | deb http://DEBIAN-MIRROR/debian-security/ testing/updates main
| + | vzquota |
| | + | vzprocps |
| | </pre> | | </pre> |
| | | | |
| − | Enlarge apt-cache adding to '''/etc/apt/apt.conf''' this line:
| + | template(s) for i368 and amd64 : Debian 3.1 Minimal |
| | <pre> | | <pre> |
| − | APT::Cache-Limit "100000000";
| + | vzctl-ostmpl-debian |
| | </pre> | | </pre> |
| | | | |
| − | Give etch package priority over lenny packages. Edit '''/etc/apt/preferences''' and set like this:
| + | == installing the kernel-images, toolset and debian-os-template == |
| − | <pre>
| + | Example: install the stable OpenVZ kernel, tools and Debian OS Template |
| − | Package: *
| |
| − | Pin: release a=etch
| |
| − | Pin-Priority: 700
| |
| | | | |
| − | Package: *
| + | # aptitude install ovzkernel-2.6.9 vzctl vzquota vzctl-ostmpl-debian |
| − | Pin: release a=lenny
| |
| − | Pin-Priority: 650
| |
| − | </pre>
| |
| | | | |
| − | Then '''apt-get update && apt-get dist-upgrade''' to upgrade to lenny.
| |
| | | | |
| − | == Kernel installation ==
| + | Maybe you need to update your "linux-loader" (can be configured at /etc/kernel-img.conf) |
| | | | |
| − | === Wheezy and Lenny ===
| + | for the "GRUB": |
| | | | |
| − | {{Note|The best kernel to use is [[Download/kernel/rhel6|RHEL6-based]]. Please see [[Install_kernel_from_RPM_on_Debian_6.0]]}}
| + | # /sbin/grub-update |
| | | | |
| − | === Etch ===
| |
| | | | |
| − | ==== 1. Using openvz kernel repositories ====
| + | Reboot in your new Debian Stable OpenVZ System |
| | | | |
| − | {{Note|In case you want to recompile the OpenVZ kernel yourself on Debian, see [[Compiling the OpenVZ kernel (the Debian way)]].}}
| + | # reboot |
| | | | |
| − | First, you need to choose what kernel you want to install.
| |
| | | | |
| − | {| class="wikitable"
| + | That's all :-) |
| − | |+'''OpenVZ Kernel list built with kernel config from http://download.openvz.org'''
| |
| − | ! Kernel !! Description !! Hardware !! Debian Architecture
| |
| − | |-
| |
| − | ! ovzkernel-2.6.18
| |
| − | | uniprocessor
| |
| − | | up to 4GB of RAM
| |
| − | | i386 and amd64
| |
| − | |-
| |
| − | ! ovzkernel-2.6.18-smp
| |
| − | | symmetric multiprocessor
| |
| − | | up to 4 GB of RAM
| |
| − | | i386 and amd64
| |
| − | |-
| |
| − | ! ovzkernel-2.6.18-enterprise
| |
| − | | SMP + PAE support + 4/4GB split
| |
| − | | up to 64 GB of RAM
| |
| − | | i386 only
| |
| − | |}
| |
| | | | |
| − | {| class="wikitable"
| + | Now it's time to setup your VE's with the minimal Debian-3.1 Template, create new one or download another precreated OS-Template. |
| − | |+'''OpenVZ Kernel list built with official Debian kernel config and OpenVZ Settings'''
| |
| − | ! Kernel !! Description !! Hardware !! Debian Architecture
| |
| − | |-
| |
| − | ! fzakernel-2.6.18-686
| |
| − | | uni- and multiprocessor
| |
| − | | up to 4GB of RAM
| |
| − | | i386
| |
| − | |-
| |
| − | ! fzakernel-2.6.18-686-bigmem
| |
| − | | symmetric multiprocessor
| |
| − | | up to 64 GB of RAM
| |
| − | | i386
| |
| − | |-
| |
| − | ! fzakernel-2.6.18-amd64
| |
| − | | uni- and multiprocessor
| |
| − | |
| |
| − | | amd64
| |
| − | |-
| |
| − | |}
| |
| | | | |
| − | <pre>
| + | = Etch (Testing) = |
| − | # apt-get install <kernel>
| + | OpenVZ is now a part of Debian Etch (a.k.a. "testing") repository. |
| − | </pre>
| |
| | | | |
| − | ===== Configuring the bootloader ===== | + | == install the kernel-image == |
| | | | |
| − | In case GRUB is used as the boot loader, it will be configured automatically, or execute update-grub; lines similar to these will be added to the <tt>/boot/grub/menu.lst</tt> file:
| + | === use precomiled kernel images === |
| | + | Can be found at http://download.openvz.org/kernel/debian/etch/ |
| | | | |
| | <pre> | | <pre> |
| − | [...]
| + | List of precompiled kernel-images |
| − | title Debian GNU/Linux, kernel 2.6.18-ovz-028stab051.1-686
| + | |
| − | root (hd0,1)
| + | linux-image-2.6.18-openvz-486_02_i386.deb |
| − | kernel /vmlinuz-2.6.18-ovz-028stab051.1-686 root=/dev/sda5 ro vga=791
| + | linux-image-2.6.18-openvz-686_02_i386.deb |
| − | initrd /initrd.img-2.6.18-ovz-028stab051.1-686
| + | linux-image-2.6.18-openvz-amd64_01_amd64.deb |
| − | savedefault
| + | linux-image-2.6.18-openvz-ia64_01_ia64.deb |
| − | [...]
| + | linux-image-2.6.18-openvz-k7_02_i386.deb |
| | + | linux-image-2.6.18-openvz-sparc64-smp_01_sparc.deb |
| | + | linux-image-2.6.18-openvz-sparc64_01_sparc.deb |
| | </pre> | | </pre> |
| | | | |
| − | {{Note|per default on debian/ubuntu, a 2.6.22 kernel will boot before a 2.6.18, please check manually the grub boot order. See man update-grub for more details}}
| + | Example: Installing an OpenVZ precompiled Debian Kernel-Image for an i686: |
| | | | |
| − | ===== Installing the user-level tools =====
| + | <pre> |
| | + | # wget http://download.openvz.org/kernel/debian/etch/linux-image-2.6.18-openvz-686_02_i386.deb |
| | + | # dpkg -i linux-image-2.6.18-openvz-686_02_i386.deb |
| | + | </pre> |
| | | | |
| − | OpenVZ needs some user-level tools installed. Those are:
| |
| | | | |
| − | ; vzctl
| + | === or build your own kernel-image (debian way) === |
| − | : A utility to control OpenVZ containers (create, destroy, start, stop, set parameters etc.)
| |
| − | ; vzquota
| |
| − | : A utility to manage quotas for containers. Mostly used indirectly (by vzctl).
| |
| | | | |
| | + | To install the kernel-source and the OpenVZ kernel patch, run: |
| | <pre> | | <pre> |
| − | # [sudo] apt-get install vzctl vzquota | + | # apt-get install kernel-package linux-source-2.6.18 kernel-patch-openvz libncurses5-dev |
| | </pre> | | </pre> |
| | | | |
| − | ==== 2 Using Debian lenny repositories ====
| |
| | | | |
| − | If you upgrade to lenny, you can search openvz kernel and can install with:
| + | Unpack the kernel-source: |
| | <pre> | | <pre> |
| − | apt-get install linux-image-openvz-686
| + | # cd /usr/src |
| | + | # tar xjf linux-source-2.6.18.tar.bz2 |
| | + | # cd linux-source-2.6.18 |
| | </pre> | | </pre> |
| − | this command will install latest kernel and all required packages like:
| + | |
| | + | |
| | + | You need a kernel config. |
| | + | You can use the config of the debian-kernel: |
| | <pre> | | <pre> |
| − | apt-get install iproute libatm1 linux-image-2.6.26-1-openvz-686 linux-image-openvz-686 rsync vzctl vzquota libcgroup-dev
| + | # cp /boot/config-2.6.18-3-686 .config |
| | </pre> | | </pre> |
| − | and will arrange grub bootloader properly.
| |
| | | | |
| − | === Rebooting into OpenVZ kernel ===
| |
| | | | |
| − | {{Warning|Before you restart your Server, verify that your system has all needed modules enabled in order to boot your harddisk (e.g. hardware modules, raid system(s), lvm2 etc). You may need an INITRD (initramdisk) or to compile needed kernel modules statically.}}
| + | Or get a 2.6.18 kernel config from http://download.openvz.org/kernel/devel/current/configs/ |
| − | | + | <pre> |
| − | Now reboot the machine and choose the OpenVZ Linux Kernel on the boot loader menu. If the OpenVZ kernel has been booted successfully, proceed to installing the user-level tools for OpenVZ.
| + | # wget http://download.openvz.org/kernel/devel/current/configs/kernel-2.6.18-028test010-i686.config.ovz -O .config |
| | + | </pre> |
| | | | |
| − | === Confirm proper installation ===
| |
| | | | |
| − | 1. Kernel:
| + | Now you can apply openvz kernel patch and modify your kernel-config: |
| | <pre> | | <pre> |
| − | # uname -r | + | # ../kernel-patches/all/apply/openvz |
| − | 2.6.26-1-openvz-686
| + | # make menuconfig |
| − | # | |
| | </pre> | | </pre> |
| | | | |
| − | 2. Openvz kernel facility:
| |
| − | <pre>
| |
| − | # ps ax | grep vz
| |
| − | 2349 ? S 0:00 [vzmond]
| |
| − | </pre>
| |
| | | | |
| − | 3. A network interface for containers:
| + | You need following OpenVZ kernel config settings: |
| | <pre> | | <pre> |
| − | # ifconfig
| + | (taken from a OpenVZ Kernel 2.6.18-028test010.1 on 686) |
| − | venet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
| |
| − | UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1
| |
| − | RX packets:0 errors:0 dropped:0 overruns:0 frame:0
| |
| − | TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
| |
| − | collisions:0 txqueuelen:0
| |
| − | RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
| |
| − | </pre>
| |
| | | | |
| − | == Configuring ==
| + | Filesystem |
| | + | \_ [*] Second extended fs support (CONFIG_EXT2_FS) |
| | + | \_ [*] Ext3 journalling file system support (CONFIG_EXT3_FS) |
| | + | \_ [*] Quota Support (CONFIG_QUOTA) |
| | + | \_ [*] Compatibility with older quotactl interface (CONFIG_QUOTA_COMPAT) |
| | + | \_ [*]Quota format v2 support (CONFIG_QFMT_V2) |
| | + | \_ [*] VPS filesystem (CONFIG_SIM_FS) |
| | + | \_ [*] Virtuozzo Disk Quota support (CONFIG_VZ_QUOTA) |
| | + | \-> [*] Per-user and per-group quota in Virtuozzo quota partitions (VZ_QUOTA_UGID) |
| | | | |
| − | === sysctl ===
| + | OpenVZ ... (what else :-) |
| | + | \_[*] Virtual Environment support (CONFIG_VE) |
| | + | \_ <M> VE calls interface (CONFIG_VE_CALLS) |
| | + | \_ <M> VE networking (CONFIG_VE_NETDEV) |
| | + | \_ <M> Virtual ethernet device (CONFIG_VE_ETHDEV) |
| | + | \_ <M> VE device (CONFIG_VZ_DEV) |
| | + | \_ [*] VE netfiltering (CONFIG_VE_IPTABLES) |
| | + | \_ <M> VE watchdog module (CONFIG_VZ_WDOG) |
| | + | \_ <M> Checkpointing & restoring Virtual Environments (CONFIG_VZ_CHECKPOINT) |
| | | | |
| − | There are a number of kernel parameters that should be set for OpenVZ to work correctly. These parameters are stored in <tt>/etc/sysctl.conf</tt> file. Here is the relevant part of the file; please edit it accordingly.
| + | User resources ... (User Beancounters) |
| | + | \_ [*] Enable user resource accounting (CONFIG_USER_RESOURCE) |
| | + | \_ [*] Account physical memory usage ( CONFIG_USER_RSS_ACCOUNTING) |
| | + | \_ [*] Account disk IO (CONFIG_UBC_IO_ACCT) |
| | + | \_ [*] Account swap usage (CONFIG_USER_SWAP_ACCOUNTING) |
| | + | \_ [*] Report resource usage in /proc (CONFIG_USER_RESOURCE_PROC) |
| | + | \_ [*] User resources debug features (CONFIG_UBC_DEBUG) |
| | + | \_ [*] Debug kmemsize with cache counters (CONFIG_UBC_DEBUG_KMEM) |
| | + | </pre> |
| | | | |
| − | {{Note|vzctl version from debian-systs, automatically inserts these options at the last of <tt>/etc/sysctl.conf</tt>, except for net.ipv4.ip_forward}}
| |
| | | | |
| | <pre> | | <pre> |
| − | [...]
| + | INFO: Better to build the kernel-headers as well, so afterward other kernel-modules can |
| | + | built without whole kernel tree (e.g. drbd -> drbd0.7-module-source) |
| | + | See also : |
| | + | # make-kpkg --targets |
| | + | </pre> |
| | | | |
| − | # On Hardware Node we generally need
| |
| − | # packet forwarding enabled and proxy arp disabled
| |
| | | | |
| − | net.ipv4.conf.default.forwarding=1
| + | Compile your Kernel (as user root, or you need the --rootcmd!) |
| − | net.ipv4.conf.default.proxy_arp=0
| + | <pre> |
| − | net.ipv4.ip_forward=1
| + | # make-kpkg --append_to_version=-1-openvz --added_patches=openvz --revision=1 --initrd binary-arch |
| | + | |
| | + | or all above with one step |
| | | | |
| − | # Enables source route verification | + | # make-kpkg --append_to_version=-1-openvz --added_patches=openvz --revision=1 --initrd --config menuconfig binary-arch |
| − | net.ipv4.conf.all.rp_filter=1
| + | </pre> |
| | | | |
| − | # Enables the magic-sysrq key
| |
| − | kernel.sysrq=1
| |
| | | | |
| − | # TCP Explict Congestion Notification | + | Install the kernel and update initramfs: |
| − | #net.ipv4.tcp_ecn=0 | + | <pre> |
| | + | # dpkg -i ../linux-image-2.6.18-1-openvz_1_i386.deb |
| | + | # update-initramfs -c -k 2.6.18-1-openvz |
| | + | </pre> |
| | | | |
| − | # we do not want all our interfaces to send redirects
| + | <pre> |
| − | net.ipv4.conf.default.send_redirects=1
| + | INFO: update-initramfs is done, when make-kpkg is use with --initrd option |
| − | net.ipv4.conf.all.send_redirects=0
| + | INFO: update-grub can be configured by /etc/kernel-img.conf |
| − | | |
| − | [...]
| |
| | </pre> | | </pre> |
| | | | |
| − | # [sudo] sysctl -p
| + | Update the bootloader (when not done above) |
| | | | |
| − | {{Note|You can make a symlink from /var/lib/vz to /vz as backward
| + | GRUB : |
| − | compatibility to OpenVZ as installed in other distributions
| |
| − | (Debian vz root directory is /var/lib/vz to be FHS-compliant.}}
| |
| | | | |
| − | # [sudo] ln -s /var/lib/vz /vz
| + | # /usr/sbin/update-grub |
| | | | |
| − | === OS templates ===
| + | INFO: since the Debian ETCH-release the location of update-grub is moved from /sbin/update-grub to /usr/sbin/update-grub ! |
| | | | |
| − | {{Note|Support of OS templates on 64 bit hosts is somewhat limited for the time being, so that not all tools or features are available - please see [[Making template tools to work on x86_64]] and [[Install OpenVZ on a x86 64 system Centos-Fedora]] for additional details and information on possible workarounds}}
| |
| | | | |
| − | To install a container, you need OS template(s).
| + | == install the toolset == |
| | | | |
| − | Precreated templates can be found [http://wiki.openvz.org/Download/template/precreated here] and [http://download.openvz.org/contrib/template/precreated/ here].
| + | You need the toolset for manage-ing OpenVZ Virtual Enviromennt (VE) |
| | | | |
| − | You can create your own templates, see
| + | <pre> |
| − | [[Debian template creation]], [[Ubuntu Gutsy template creation]] and [[:Category: Templates]].
| + | # apt-get install vzctl vzquota |
| | + | </pre> |
| | | | |
| − | {{Note|Setup your prefered standard OS Template : edit the /etc/vz/vz.conf}}
| |
| | | | |
| − | # [sudo] apt-get install vzctl-ostmpl-debian-5.0-i386-minimal
| + | == modify needed settings == |
| | | | |
| − | == Additional User Tools ==
| + | a Debian Way: |
| | | | |
| − | ; vzprocps
| + | If you want network access for the virtual server then you need to enable IP forwarding. Set "ip_forward" to yes in /etc/network/option. |
| − | : A set of utilities to provide system information (vzps and vztop)
| |
| | | | |
| − | ; [[vzdump]]
| + | # editor /etc/network/options |
| − | : A utility to backup and restore container.
| |
| | | | |
| − | # [sudo] apt-get install vzprocps vzdump
| |
| | | | |
| | | | |
| − | On Debian squeeze, vzdump seems packaged in standard aptline. For lenny, See [[Backup_of_a_running_container_with_vzdump]]
| + | In some cases you may need to enable proxy_arp for the network devices that you want your virtual hosts to be accessible on. |
| | + | You can add this to a specific interface in the network configuration (/etc/network/interfaces) by the following lines, replace %DEV% with your device name (ie. eth0). |
| | | | |
| | + | Example: |
| | + | |
| | + | <pre> |
| | + | [...] |
| | + | # device: %DEV% |
| | + | iface %DEV% inet static |
| | + | address 192.168.0.2 |
| | + | netmask 255.255.255.0 |
| | + | network 192.168.2.0 |
| | + | broadcast 192.168.2.255 |
| | + | gateway 192.168.2.1 |
| | | | |
| − | == Secure it == | + | up sysctl -w net.ipv4.conf.%DEV%.proxy_arp=0 |
| | + | pre-down sysctl -w net.ipv4.conf.%DEV%.proxy_arp=1 |
| | + | [...] |
| | + | </pre> |
| | | | |
| − | If you want to secure your container with individual firewall rules (instead or additionally to securing the host node) then you must run iptables inside the container. This works slightly different than on a physical server. So make sure that you check that iptables rules are indeed applied as expected inside the container.
| + | or use the /etc/network/if-up/ and /etc/network/if-down.d/ directories. |
| | | | |
| − | Iptables modules required by the container must be specified in the general vz.conf file or the vzXXX.conf file of the container.
| + | <pre> |
| | + | INFO: # man 5 interfaces (to read more about debian's network interface configuration for ifup and ifdown) |
| | + | INFO: Please add to use the magic-sysrq key, to your /etc/sysctl.conf |
| | + | </pre> |
| | | | |
| − | Add the following line into vz.conf to activate the respective iptables modules for all containers.
| + | a (plain) OpenVZ Linux Way: |
| | | | |
| − | IPTABLES="ip_tables ipt_REJECT ipt_tos ipt_limit ipt_multiport iptable_filter iptable_mangle ipt_TCPMSS ipt_tcpmss ipt_ttl
| + | Add settings to "/etc/sysctl.conf" |
| − | ipt_length ip_conntrack ip_conntrack_ftp ip_conntrack_irc ipt_LOG ipt_conntrack ipt_helper ipt_state iptable_nat ip_nat_ftp ip_nat_irc ipt_TOS"
| |
| | | | |
| − | [[http://wiki.debian.org/DebianFirewall][Configure]] your iptable rules inside the container.
| + | <pre> |
| | + | # On Hardware Node we generally need |
| | + | # packet forwarding enabled and proxy arp disabled |
| | + | net.ipv4.ip_forward = 1 |
| | + | net.ipv4.conf.default.proxy_arp = 0 |
| | | | |
| − | {{Warning|Note that iptables rules inside the container are not applied automatically as on a physical server by starting the iptables module! Follow the instructions below}}
| + | # Enables source route verification |
| | + | net.ipv4.conf.all.rp_filter = 1 |
| | | | |
| − | To make sure the iptables rules are applied on a startup/reboot we'll create a new file:
| + | # Enables the magic-sysrq key |
| | + | kernel.sysrq = 1 |
| | | | |
| − | nano /etc/network/if-pre-up.d/iptables | + | # TCP Explict Congestion Notification |
| | + | # net.ipv4.tcp_ecn = 0 |
| | | | |
| − | Add these lines to it:
| + | # we do not want all our interfaces to send redirects |
| | + | net.ipv4.conf.default.send_redirects = 1 |
| | + | net.ipv4.conf.all.send_redirects = 0 |
| | + | </pre> |
| | | | |
| − | #!/bin/bash
| |
| − | /sbin/iptables-restore < /etc/iptables.up.rules
| |
| | | | |
| − | The file needs to be executable so change the permissions:
| + | <pre> |
| | + | INFO: Suggestion: Please make a symlink from /var/lib/vz to /vz as backward compability to Main OpenVZ |
| | + | (Debian vz root directory is installed FHS-like to /var/lib/vz) |
| | | | |
| − | chmod +x /etc/network/if-pre-up.d/iptables | + | # ln -s /var/lib/vz /vz |
| | + | </pre> |
| | | | |
| − | Start iptables
| |
| | | | |
| − | /etc/init.d/iptables start
| + | '''Before you restart your Server, keep in mind, that your system has all needed modules enabled; booting from your harddisk (e.g. hardware modules, raid system(s), lvm2 etc). May you need a INITRD (initramdisk) or compile needed kernel modules statically in.''' |
| | | | |
| − | If the startup shows errors then you have probably not activated the needed iptables modules. See above.
| |
| | | | |
| − | Check inside the container that your iptables rules are indeed applied:
| + | # reboot |
| | | | |
| − | iptables -L
| |
| | | | |
| − | If the rules do not show up as you would expect on a physical server then you might not have activated the needed iptables modules.
| |
| | | | |
| − | == Start it! ==
| + | That's all! |
| | | | |
| − | # [sudo] /etc/init.d/vz start
| + | Now it's time to create a OS Template or download another precreated OS-Template. |
| | | | |
| − | This does not make the vz system automatically start at boot time. For automatic start:
| |
| | | | |
| − | # [sudo] update-rc.d vz defaults 98 | + | INFO: Suggestions: Setup your default OS Template in /etc/vz/vz.conf |
| | | | |
| − | == Use it! ==
| |
| | | | |
| − | After installing the OpenVZ kernel, user tools and a minimal OS template
| |
| − | to create a first container and do some [[basic operations in OpenVZ environment]]. Read the [[download:doc/OpenVZ-Users-Guide.pdf]], browse this wiki.
| |
| | | | |
| | [[Category: HOWTO]] | | [[Category: HOWTO]] |
| − | [[Category: Debian]]
| |
| | [[Category: Installation]] | | [[Category: Installation]] |
