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REQUIREMENTS:

Host OS:

  • Ubuntu Server 13.04 x86-64 (64bit)
  • At least 4GB RAM
  • 300GB available disk space

Sybase Patches:

Install LXC and the bridge-utils to support a network bridge:

aptitude install lxc debootstrap bridge-utils

Create the network bridge br0:

cd /etc/network

Edit interfaces:
replace:

auto eth0

iface eth0 inet dhcp

with:

# LXC bridge

auto br0

iface br0 inet dhcp

    bridge_ports eth0

    bridge_stp off

    bridge_fd 0

    bridge_maxwait 0

auto eth0

iface eth0 inet manual

Restart networking:

service networking restart

Create lxc-default-sybase Apparmor profile:

cd /etc/apparmor.d/lxc

cp lxc-default lxc-default-sybase

Edit lxc-default-sybase:
replace:

profile lxc-container-default flags=(attach_disconnected,mediate_deleted) {

with:

profile lxc-container-default-sybase flags=(attach_disconnected,mediate_deleted) {

replace/add only if using you’re using LXC version LOWER than 0.7.5-3ubuntu60 – see LXC bug 1021411:

deny @{PROC}/sys/kernel/** wklx,

with:

deny @{PROC}/sys/kernel/(^shm)** wklx,

Update the kernel with the new lxc-default-sybase profile

apparmor_parser -r /etc/apparmor.d/lxc-containers

Replace /etc/lxc/lxc.conf with:

lxc.network.type=veth

lxc.network.link=br0

lxc.network.flags=up

# caps

lxc.cgroup.memory.limit_in_bytes = 2G

lxc.cgroup.memory.memsw.limit_in_bytes = 4G

Assuming that volume group VG02 exists, let’s create the container with the name of “sybase”, and a logical volume of 100G using the xfs file system:

lxc-create -n sybase -t ubuntu -B lvm --lvname sybase --vgname VG02 --fstype xfs --fssize 100G

Before we start the ‘sybase’ container, we need to update the container configuration to use the lxc-container-default-sybase container:

cd /var/lib/lxc/sybase

Edit config:
replace:

#lxc.aa_profile = unconfined

with:

lxc.aa_profile = lxc-container-default-sybase

We’re ready to start the container in console mode (to start it as a daemon add -d):

lxc-start -n sybase

The default login credentials are ubuntu / ubuntu

Let’s switch to root so we can install the packages to support Sybase ASE 15.7:

sudo su - root

Enable up to 512MB of shared memory:

echo "kernel.shmmax = 536870912" >> /etc/sysctl.conf

sysctl -p

Install the packages (nmon is a great os monitoring tool but if you don’t want it, don’t include it):

dpkg --add-architecture i386

apt-get update

apt-get install ia32-libs

apt-get install aptitude libaio1 xauth ia32-libs libstdc++5 nmon ncompress

If you want to install PPA repositories:

apt-get install python-software-properties

We need to set up the locale:

locale-gen en_US.UTF-8

echo 'LANG="en_US.UTF-8"' > /etc/default/locale

Copy the sybase software to your new Linux Container and extract it into a temporary directory.

Because Ubuntu seems to think that gzip can uncompress files compressed with the ‘compress’ command (it really can’t btw), you need to alias the uncompress with /usr/bin/uncompress.real:

alias uncompress='/usr/bin/uncompress.real'

From here, you would install and configure Sybase ASE 15.x as you normally would.

Determine ip address for eth0:

ifconfig|grep "inet addr"

In my case, the eth0 ip address is 192.168.0.115. You will either want to reserve this address with your DHCP server or setup a static ip in /etc/interfaces.

Assuming we want to keep the 192.168.0.115 address for this container, we need to modify the /etc/hosts file:
Replace:

127.0.0.1 localhost sybase

with:

127.0.0.1 localhost

192.168.0.115 sybase

http://froebe.net/blog/2013/01/12/howto-install-sap-sybase-ase-15-x-and-linux-containers-lxc-ubuntu-server-12-10/

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1 Comment

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  1. Jason Froebe Post author

    Since a Linux container (LXC) is technically running on bare hardware, it should have at least minimal support to the point of “if the problem only occurs in a LXC environment, then look elsewhere”.  IMO that is.

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