Summer is almost upon us. The weather in Sweden has been amazing the last couple of weeks, sunny and warm. This has of course not prevented me from pursuing my favorite indoor activity; coding! This time around I’ve spent some time to resurrect the packet injection tool Nemesis.
[Read More]cgit with merecat httpd
This post details how to set up cgit with Merecat httpd. It begins as a GitHub issue report by Mr Alok G. Singh, who had run into problems setting it up. I’m posting it here for others to see.
[Read More]Slow Down
Multicast routing with PIM-SM over GRE
GRE tunnels are useful in many ways. This blog post shows how to set up
multicast routing with pimd over a
GRE tunnel. To achieve this we will also set up OSPF over GRE with
Quagga, because PIM, unlike DVMRP (mrouted
),
require unicast routing rules to be established.
.----{ Intranet }----.
/ 192.168.1.0/24 \
/ \
.10 / \.20
.--'---. .1 GRE Tunnel .2 .---`--.
| |====================| |
| R1 | 172.16.16.0/30 | R2 |
| | | |
'--.---' '------'
| .1 | .1
| 10.0.1.0/24 | 10.0.2.0/24
| .2 | .2
.--'---. .--'---.
| | | |
| C1 | | C2 |
| | | |
'------' '------'
In this post we are using the home WiFi network, 192.168.1.0/24, to hook
up the GRE tunnel. It is just as easy to extend this to a big corporate
Intranet with more routers between R1
and R2
. As long as that IT
department takes care of the unicast routing between R1
and R2
so
that the GRE tunnel can be established.
Threads vs Event Loop, Again ...
I still get asked this, from time to time. Maybe it’s because I only use event loops, maybe it’s because I’ve written libuEv, or maybe people still don’t understand:
Why an event loop, why not use threads?
So here’s my response, once more.
[Read More]Packaging Software with Docker
This post details how to package and deploy software with Docker. The example uses Merecat httpd on Alpine Linux. Try it out with:
docker pull troglobit/merecat
See https://hub.docker.com/r/troglobit/merecat/ for details on how to run Merecat httpd in production.
[Read More]Install X-Window in Alpine Linux
How to install LXDM + XFCE4 in Alpine Linux 3.6 when testing with Finit.
[Read More]Boot Alpine Linux with GRUB
It’s fairly easy to replace the slightly unfriendly syslinux with grub (grub2) in Alpine Linux. I use v3.6 but YMMV.
[Read More]GIT, Autoconf and Automake in OpenBSD
Reminder to self:
echo "https://ftp.eu.openbsd.org/pub/OpenBSD/" >/etc/installurl
pkg_add git autoconf automake libtool
Select the latest versions, then add the following to ~/.profile
:
AUTOCONF_VERSION=2.69
AUTOMAKE_VERSION=1.15
export AUTOCONF_VERSION AUTOMAKE_VERSION
With your selected versions, of course.