Skip to content

Instantly share code, notes, and snippets.

💾
🖖

Hagen Paul Pfeifer hgn

💾
🖖
Block or report user

Report or block hgn

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@hgn
hgn / builddriver.py
Last active Jun 19, 2019
Python Builddriver API Brainstorming
View builddriver.py
import builddriver
result = builddriver.execute("make debug")
result.status()
# can be True or False
result.log()
# return a path where the output is captured (/tmp/foo.log)
@hgn
hgn / example.conf
Last active Oct 15, 2018
Simple Python aiohttp Server with Configuration Parsing and Logging
View example.conf
server_addr = "127.0.0.1"
server_port = 8888
# debug level, can be debug, error, info, ...
loglevel = "debug"
paths = {
"route_set" : "/",
"interface_get" : "/",
View gist:659246b0b5f6e1adf94199c0722484b0
function alex_hash() {
var hash = 0;
if (this.length == 0) return hash;
for (i = 0; i < this.length; i++) {
char = this.charCodeAt(i);
hash1 = ((char)-hash)+char;
hash2 = ((char<<8)-hash)+char;
hash3 = ((char<<16)-hash)+char;
hash4 = ((char<<24)-hash)+char;
hash = (hash1 ^ hash2 ^ hash3 ^ hash4) & 0xFFFFFF;
@hgn
hgn / python-json-types.py
Created Aug 25, 2016 — forked from NelsonMinar/python-json-types.py
Testing various dict wrappers for Python JSON
View python-json-types.py
"""
Various options for a JSON type for Python.
My best effort at using these libraries naturally for reading and writing JSON.
https://nelsonslog.wordpress.com/2016/01/08/a-better-python-object-for-json/
"""
import json, copy
import dotmap, attrdict, easydict, addict
View btrfs-raid0
sudo mount /dev/sda2 /
# mounting sda2 is boot time related via fstab:
# UUID=01e804ec-cc93-44c9-8b92-8fcd41c95aff / btrfs rw,relatime,space_cache 0 0
# now add sdb1 to /
sudo btrfs device add /dev/sdb1 /
sudo btrfs filesystem show
# Label: none uuid: 01e804ec-cc93-44c9-8b92-8fcd41c95aff
@hgn
hgn / gist:485f6c5c1b5ac69719db
Created Apr 2, 2015
OpenWRT New Client Signal Generator for Arduino LED
View gist:485f6c5c1b5ac69719db
#!/usr/bin/perl
# Nexus 4
$db{'10:68:ff:ff:ff:ff'} = 0;
# Nexus 5
$db{'c4:43:ff:ff:ff:ff'} = 0;
sub worker {
$scan=`(iw dev wlan1 station dump; iw dev wlan0 station dump) | grep Station`;
foreach $key (keys(%db)) {
View gist:9666ef57df9b3525c712
@virgo:/tmp $ ssh -vvvv root@10.10.10.1
OpenSSH_6.7p1 Debian-3, OpenSSL 1.0.1k 8 Jan 2015
debug1: Reading configuration data /home/pfeifer/.ssh/config
debug1: /home/pfeifer/.ssh/config line 101: Applying options for *
debug3: macs ok: [hmac-sha1,hmac-ripemd160]
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 10.10.10.1 [10.10.10.1] port 22.
debug1: Connection established.
@hgn
hgn / tcpdump IPv6 router advertisement
Created Mar 16, 2015
Capture of IPv6 advertisement message via tcpdump
View tcpdump IPv6 router advertisement
@virgo:~ $ sudo tcpdump -vvvv -ttt -i eth1 icmp6 and 'ip6[40] = 134'
00:00:00.000000 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 200) fe80::b675:eff:fefa:1cb > ip6-allnodes: [icmp6 sum ok] ICMP6, router advertisement, length 200
hop limit 0, Flags [managed, other stateful], pref medium, router lifetime 1800s, reachable time 0s, retrans time 0s
source link-address option (1), length 8 (1): b4:75:0e:fa:01:cb
0x0000: b475 0efa 01cb
mtu option (5), length 8 (1): 1280
0x0000: 0000 0000 0500
prefix info option (3), length 32 (4): 2a01:ffff:43f::/64, Flags [onlink, auto], valid time 7200s, pref. time 1800s
0x0000: 40c0 0000 1c20 0000 0708 0000 0000 2a01
0x0010: ffff 043f 0000 0000 0000 0000 0000
@hgn
hgn / ping-rtt-to-gnuplot
Last active Mar 26, 2018
Ping based RTT Measurement with Gnuplot for IPv4 and IPv6
View ping-rtt-to-gnuplot
ping heise.de -c 300 -ni 0.5 | awk -F '[= ]' {'print $(NF-1)'} | grep -E '[0-9]' > /tmp/ipv4.dat
ping6 heise.de -c 300 -ni 0.5 | awk -F '[= ]' {'print $(NF-1)'} | grep -E '[0-9]' > /tmp/ipv6.dat
cat << EOF > /tmp/ping-rtt.gpi
#!/usr/bin/gnuplot
set terminal svg size 1000,600 fname "Gill Sans" fsize 14 rounded dashed
set style line 80 lt 0
set style line 80 lt rgb "#808080"
set style line 81 lt 3
set style line 81 lt rgb "#808080" lw 0.5
View munich.json
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
You can’t perform that action at this time.