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Varnish 4 cool features (slides)

Varnish 4 cool features . . . → Read More: Varnish 4 cool features (slides)

Varnish 4 VCL request flow

varnish-4-vcl-request-flow

Varnish 4 VCL request flow . . . → Read More: Varnish 4 VCL request flow

How to create Ubuntu 11.04 Natty Narwhal LXC template

First create a network configuration file:

lxc.network.type = veth lxc.network.flags = up lxc.network.link = br0

…and run lxc-create:

root@servukas:~# lxc-create -n natty-lxc-template -t natty -f /tmp/natty-template-network.conf debootstrap is /usr/sbin/debootstrap Checking cache download in /var/cache/lxc/natty/rootfs-amd64 … Downloading ubuntu natty minimal … … Copy /var/cache/lxc/natty/rootfs-amd64 to /var/lib/lxc/natty-lxc-template/rootfs … Copying rootfs to /var/lib/lxc/natty-lxc-template/rootfs …Please change root-password ! . . . → Read More: How to create Ubuntu 11.04 Natty Narwhal LXC template

How to run Z\EVES on Ubuntu 10.04

Z\EVES is a Z notation theorem proving program. It is an old and I think abandoned software, but used in some universities. Old Python 2.3 is needed for running it. . . . → Read More: How to run Z\EVES on Ubuntu 10.04

How to install Windows 3.11 to VirtualBox on Ubuntu

Why? Because it is funny :) . . . → Read More: How to install Windows 3.11 to VirtualBox on Ubuntu

How to make MS-DOS 6.22 to stop consuming 100% CPU in VirtualBox on Ubuntu

So you have a MS-DOS installed to a virtual machine on your super new multicore computer and it consumes 100% of your CPU (well… 100% of one core actually…)? . . . → Read More: How to make MS-DOS 6.22 to stop consuming 100% CPU in VirtualBox on Ubuntu

How to install MS-DOS 6.22 to VirtualBox on Ubuntu

Why? Because it is funny :) . . . → Read More: How to install MS-DOS 6.22 to VirtualBox on Ubuntu

Cooled terrarium for Venus Flytrap with a Peltier TEC (part 1)

So I got a Venus Flytrap (Dionaea Muscipula). After some googling I found that it likes semi-cold winters. Thats a problem. Inside I have up to +25°C and outside down to -25°C in winter. So I need a fridge inside or a heater outside. Inside is better :) . . . → Read More: Cooled terrarium for Venus Flytrap with a Peltier TEC (part 1)

“mknod: `/lib/udev/devices/ppp’: Operation not permitted” when updating Ubuntu 10.04 on virtual LXC machine

Today I wanted to update my virtual LXC Ubuntu and I got an error: mknod: `/lib/udev/devices/ppp’: Operation not permitted . . . → Read More: “mknod: `/lib/udev/devices/ppp’: Operation not permitted” when updating Ubuntu 10.04 on virtual LXC machine

How to solve Redmine error “Permission denied – /etc/redmine/default/session.yml” on Ubuntu 10.04

After installing Redmine on Ubuntu 10.04 Lucid Lynx from repositories (apt-get install redmine redmine-mysql) I got an error: Permission denied – /etc/redmine/default/session.yml . . . → Read More: How to solve Redmine error “Permission denied – /etc/redmine/default/session.yml” on Ubuntu 10.04