RubenKelevra

This story is about: How do we fetch, process and display nice statistics for
 freifunk-nodes, running a free, open WiFi-Network.

Else we want to implement pushes for the owner of each freifunk-node, when
 something goes wrong or offline.

Status Quo:

Currently we use some hacky bash scripts[1] which generates a text-file, curl it
 to a php running server over https and dropping the latest values to a

RubenKelevra

I'm using zfs for mirroring on my hypervisors, mitingated from lvm/mdadm-raid1.

Some days ago my zfs-mirroring stopped working, leading to a degraded state. ZFS said,
one of the mirror-devices, which should be normally named sda4, is now called
238018108320 or something like this, and on the last row of zpool status, theres an 
entry like "was: /dev/sda4".

Zfs can't open the device again, I tried:

zpool offline data /dev/sda4

RubenKelevra

netperf -L 192.168.0.20 -H 192.168.1.23 -t udp_stream -l 60 -- -R 1

The "-- -R 1" part enables subnet-routing

RubenKelevra

# x11-driver-video-sisimedia
# 2014-08-22
 
Section "Device"
	Identifier	"sis671"
	Driver		"sisimedia"
	Screen		0
EndSection
 
Section "Monitor"

RubenKelevra

yum install yum-utils -y
package-cleanup --oldkernels --count=2
find /lib/modules/$(uname -r)/extra -name "splat.ko" -or -name "zcommon.ko" -or -name "zpios.ko" -or -name "spl.ko" -or -name "zavl.ko" -or -name "zfs.ko" -or -name "znvpair.ko" -or -name "zunicode.ko" |  xargs rm -f
find /lib/modules/$(uname -r)/weak-updates -name "splat.ko" -or -name "zcommon.ko" -or -name "zpios.ko" -or -name "spl.ko" -or -name "zavl.ko" -or -name "zfs.ko" -or -name "znvpair.ko" -or -name "zunicode.ko" | xargs rm -f
modprobe -r zfs
yum remove zfs zfs-dkms spl spl-dkms dkms -y
yum install zfs -y

RubenKelevra

mkdir /var/log/journal
systemd-tmpfiles --create --prefix /var/log/journal
systemctl restart systemd-journald

RubenKelevra

echo "admins=(\"ruben\" \"kevin\")" > /mnt/install.sh
echo "declare -A sshkeys" >> /mnt/install.sh
echo "sshkeys[\"ruben\"]='ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA4VjJnNTVDxtLgQqCzOiPWsy0yBNiv32GzzYPPatKYozL8PW5hDhEWg7h8vMs5Ty77U/qijjNr4VRyKKmvDFv907f6Wg/Fnm0a7+DmzZ6M4jdEJgqM3LJc3V81aXB6vXDCpCHB3orIKVB9xz2zaBdcA1A8eNYmy7paiZZPnjnSTGDt+UNMWfKumD9TAj4zyvH3yc1MdeB2WOvWCdxQXnyVEfS/AvAIZtzZA5D2osCPKouTGpjKZXoRYqJoT7X+GltbkopFZ7As9jEMfxG3Rum8oIOrqhNwy4ipahd50RYLhBXEUFvFQpDNadlbeslgTq/P5feX1z41PUR5OgNP8cd ruben@freifunk-nrw.de
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDIVP7CBN1orjIvx7OOvAaQ6h461ziDZjjgJSseR1GfPvpFizP80+N+6bhrOs8+sz/BxaO1kr9fpArs+g/NmMQobiiXKKmOcR+Wm1y2/LBOrtotmZZJGVQnSoQwwY9K7xhJMGKL4TlktSusvmja5kg2WAf7vW389oYqTfwVq4TgerpPSihn9vVRfVi0827MNfh5agwRIZ/OgWXd6ka/LDByQ0FtV4npFWAwx4/uWphg2t/g6vR7ZoIt5rBSR/E0VqRGMwSbwlbDbYgJTPJ3/lVCrDtVka2r1fuL5f+VyuyYhobtBwkjD5GusIB82XlvIs4KzFTOGVhPpvrmoFKaN1aJ ruben@freifunk-nrw.de_2
ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAFGe5/7cfDkbssq+by

RubenKelevra

mv gluon-firmware-abc.bin /var/tmp/firmware.bin

cd /var/tmp/

tftp -m binary -v 192.168.1.20 -c put firmware.bin

RubenKelevra

gpg-agent --daemon
gpg --full-gen-key --pinentry-mode loopback
gpg --keyserver keyserver.ubuntu.com --recv-key  1FFAA0B24B708F96
gpg --keyserver keyserver.ubuntu.com --recv-key  520A9993A1C052F8
gpg --lsign-key  1FFAA0B24B708F96
gpg --lsign-key  520A9993A1C052F8
yaourt -S nginx-mainline-libressl --noconfirm

RubenKelevra

oldifs="$IFS"
IFS=$'\n'
echo "" > installed_programs.txt
for e in `yaourt -Qen`; do
  echo "$(echo $e | cut -d' ' -f1)" >> installed_programs.txt
done
IFS=$oldifs