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so much younger than today

Jörg Kost ipcjk

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so much younger than today
23 followers · 22 following
  • Munich, Germany
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@ipcjk
ipcjk / openvpn_openssl_from_source.yaml
Last active May 23, 2024 19:48
Install openssl and openvpn + easyrsa3 from source with ansible
---
- name: Download + compile recent versions of OpenSSL,OpenVPN and easyrsa3 from source
hosts: all
gather_facts: true
vars:
user_configuration:
servername: vpn.localhost.com
easyrsa_path: "/usr/local/easyrsa3"
openssl_version: "3.3.0"
@ipcjk
ipcjk / bgpd.c.patch
Created May 16, 2020 16:15
quagga bgpd uptime patch
diff -upwbr quagga/bgpd/bgpd.c quagga-jk/bgpd/bgpd.c
--- quagga/bgpd/bgpd.c 2012-06-27 12:02:11.000000000 +0200
+++ quagga-jk/bgpd/bgpd.c 2012-06-27 12:06:46.000000000 +0200
@@ -4646,6 +4646,7 @@ peer_uptime (time_t uptime2, char *buf,
/* Making formatted timer strings. */
#define ONE_DAY_SECOND 60*60*24
#define ONE_WEEK_SECOND 60*60*24*7
+#define ONE_YEAR_SECOND 60*60*24*7*52
if (uptime1 < ONE_DAY_SECOND)
@ipcjk
ipcjk / ipsec-tools-0.8-alpha20090422
Created May 16, 2020 16:10
ipsec-tools racoon patch against ldap / active directory null authentication from 2009
diff -crB ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c joerg/ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c
*** ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c 2009-06-02 08:08:09.000000000 +0200
--- joerg/ipsec-tools-0.8-alpha20090422/src/racoon/isakmp_xauth.c 2009-06-02 08:08:18.000000000 +0200
***************
*** 893,898 ****
--- 893,905 ----
atlist[1] = NULL;
atlist[2] = NULL;
+ /* deny empty login */
@ipcjk
ipcjk / udpsendfile.rs
Created May 16, 2020 16:00
use std::net::UdpSocket;
use std::fs::File;
use std::io::prelude::*;
fn main() {
let host = "127.0.0.1";
let port = "53";
let x = File::open("/etc/passwd");
let mut file = match x {
@ipcjk
ipcjk / tcpscanner.rs
Created May 16, 2020 15:59
use std::net::TcpStream;
fn main() {
for port in 0 .. 30 {
if let Ok(_) = TcpStream::connect(format!("{}:{}", "anyhost", port)) {
println!("{} open", port);
}
}
}
@ipcjk
ipcjk / checksupervisor.pl
Created October 29, 2019 08:27
Check supervisor processes for checkMK
#! /usr/bin/perl
foreach (split /[\r\n]+/, `supervisorctl status`) {
/([\w\-\d_]+)\s+([A-Z]+)\s+(.*)$/;
if($2 eq 'RUNNING') { print "0";} else { print "1";}
print " $1 - $3\n";
}
@ipcjk
ipcjk / sched.go
Created August 19, 2019 09:05
golang syscall set real time priority for task
package main
import (
"fmt"
"syscall"
"unsafe"
)
const (
SCHED_NORMAL = iota
@ipcjk
ipcjk / cleanKernel.pl
Last active October 10, 2019 09:40
All mighty kernel cleanup script for Debian based distributions
#!/usr/bin/perl -w
use strict;
# Some vars..
my @KPKGS;
my $myKernel = `uname -r`;
chomp $myKernel;
@ipcjk
ipcjk / ssh_ubuntu_cloud
Created March 11, 2019 12:08 — forked from tpaskhalis/ssh_ubuntu_cloud
Adding ssh public key to Ubuntu cloud image
# Instructions for working with QEMU image come from
# https://www.kumari.net/index.php/system-adminstration/49-mounting-a-qemu-image
1. Download image http://cloud-images.ubuntu.com/
2. Install qemu, nbd-client
3. Load the module
sudo modprobe nbd max_part=8
4. Connect image
sudo qemu-nbd --connect=/dev/nbd0 Downloads/xenial-server-cloudimg-amd64-disk1.img
5. Mount image
@ipcjk
ipcjk / mysqlbackup_docker.sh
Created March 3, 2019 13:45
backup mysql databases inside docker containers
#!/bin/bash
mysql_containers=`docker ps -f ancestor=mysql:8.0 --format '{{.ID}}:{{.Names}}'`
for i in $(echo $mysql_containers)
do
echo $i
arr=($(echo $i | sed "s/:/ /g"))
if [ "${#arr[@]}" -eq "2" ]; then