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10%
Build a honeypot with real-world alerts
01.08.2019
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2019
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Issue 52: Stop...
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:FORWARD ACCEPT [0:0] 05 :OUTPUT ACCEPT [125:13440] 06 -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 07 -A INPUT -p icmp -j ACCEPT
08
-A INPUT -i lo -j ACCEPT 09 -A INPUT -p tcp -m state --state
10%
Setting up SELinux policies
12.09.2013
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2013
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Issue 16: Docker
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: 1.0 05 Release: 1%{?dist} 06 License: GPL v2 or later 07 Source0: local.te
08
Source1: local.fc 09 Source2: local.if 10 Group: Development/Tools 11 Summary
10%
Hybrid public/private cloud
30.01.2020
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2020
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Issue 55: AWS L...
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VPC: 04 Type: AWS::EC2::VPC 05 Properties: 06 CidrBlock: 07 Ref: VPCNet
08
Tags: 09 - Key: Name 10 Value: 11 Ref: VPCName 12 13 Forti
10%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
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2010
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Issue 2: Backup...
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for tscherf@TUXGEEK.DE: 03 04 # klist -5 05 Ticket cache: FILE:/tmp/krb5cc_500 06 Default principal: tscherf@TUXGEEK.DE 07
08
Valid starting Expires Service principal 09
08
/06/10 15:41:50
08
9%
Go testing frameworks
05.08.2024
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2024
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Issue 82: Sover...
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= [size][size]int {{0},{0},}
08
09 for i := 0; i < size; i++ { 10 for j := 0; j < size; j++ { 11 array[i][j]++ 12 } 13 } 14 15
9%
Jenkins Configuration as Code
07.06.2019
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2019
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Issue 51: Self-...
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-jdk-alpine 02 03 RUN apk add --no-cache git openssh-client curl bash # for Jenkins AWT 04 ttf-dejavu 05 06 ARG JENKINS_USER=jenkins 07 ARG UID=1000
08
ARG HTTP_PORT=8080 09 ARG JENKINS
9%
Building a port scanner in Python
28.07.2025
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2025
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Issue 88: 5 Net...
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_port(host, port): 06 with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: 07 s.settimeout(1)
08
try: 09 s.connect((host, port)) 10 print(f"[+] Port {port} is open") 11 except
9%
The practical benefits of network namespaces
15.08.2016
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Issue 34: Softw...
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: lo:
mtu 65536 qdisc noqueue state UNKNOWN group default 06 inet 127.0.0.1/8 scope host lo 07 valid_lft forever preferred_lft forever
08
3: eth1:
9%
Asynchronous PostgreSQL
12.09.2013
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2013
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Issue 16: Docker
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CREATE OR REPLACE FUNCTION burncpu (tm INTERVAL) 02 RETURNS INTERVAL AS $CODE$ 03 DECLARE 04 stmp TIMESTAMP := now()+tm; 05 i INT; 06 BEGIN 07 WHILE clock_timestamp()
08 i:=1; 09
9%
Data Analysis with R and Python
17.02.2015
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2015
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Issue 25: Safe...
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05 Options +ExecCGI 06 AddHandler cgi-script .py 07
08
Users can then access the sample application via the URL http://localhost:8080
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