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programmer131 / trial.md
Created November 28, 2020 09:27 — forked from satish-setty/trial.md
Beyond Compare 4 license for Linux

Beyond Compare 4.x

Licensed to: ASIO Allsoftinone Quantity: 1 user Serial number: 1822-9597 License type: Pro Edition for Linux

First delete away trial mode:

sudo sed -i "s/keexjEP3t4Mue23hrnuPtY4TdcsqNiJL-5174TsUdLmJSIXKfG2NGPwBL6vnRPddT7tH29qpkneX63DO9ECSPE9rzY1zhThHERg8lHM9IBFT+rVuiY823aQJuqzxCKIE1bcDqM4wgW01FH6oCBP1G4ub01xmb4BGSUG6ZrjxWHJyNLyIlGvOhoY2HAYzEtzYGwxFZn2JZ66o4RONkXjX0DF9EzsdUef3UAS+JQ+fCYReLawdjEe6tXCv88GKaaPKWxCeaUL9PejICQgRQOLGOZtZQkLgAelrOtehxz5ANOOqCaJgy2mJLQVLM5SJ9Dli909c5ybvEhVmIC0dc9dWH+/N9KmiLVlKMU7RJqnE+WXEEPI1SgglmfmLc1yVH7dqBb9ehOoKG9UE+HAE1YvH1XX2XVGeEqYUY-Tsk7YBTz0WpSpoYyPgx6Iki5KLtQ5G-aKP9eysnkuOAkrvHU8bLbGtZteGwJarev03PhfCioJL4OSqsmQGEvDbHFEbNl1qJtdwEriR+VNZts9vNNLk7UGfeNwIiqpxjk4Mn09nmSd8FhM4ifvcaIbNCRoMPGl6KU12iseSe+w+1kFsLhX+OhQM8WXcWV10cGqBzQE9OqOLUcg9n0krrR3KrohstS9smTwEx9olyLYppvC0p5i7dAx2deWvM1ZxKNs0BvcXGukR+/g" /usr/lib/beyondcompare/BCompare
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programmer131 / main.c
Created September 14, 2020 05:30
painless C handling Large number of flags
#include <stdio.h>
#include <stdint.h>
#define NUM_FLAG_HOLDERS 2
#define SIZE_FLAG_HOLDERS 32
uint32_t flags_holder[NUM_FLAG_HOLDERS]; //32x2=64 flags total
enum flag_types
{
flag1,
flag2,
@programmer131
programmer131 / Linux Virtualization using Iproute2.md
Last active February 18, 2024 05:08
using linux Iproute2 utility, Setup VLAN, double VLAN, VLAN with outer s-tag, VXLAN, VXLAN inside VXLAN,

How to clear ip addr, link
ip link delete vxlan2
ip addr del 192.168.0.55/24 dev vxlan2
VxLAN setup
Machine 1
ip link add vxlan1 type vxlan id 1 remote 192.168.18.48 dstport 4789 dev wlp2s0
ip link set vxlan1 up
ip addr add 192.168.0.6/24 dev vxlan1
Machine 2
ip link add vxlan1 type vxlan id 1 remote 192.168.18.24 dstport 4789 dev wlp3s0\

@programmer131
programmer131 / ns-inet.sh
Last active December 24, 2020 19:09 — forked from dpino/ns-inet.sh
Setup a network namespace with Internet access
IFACE=wlp2s0
NS="ns1"
VETH="veth1"
VPEER="vpeer1"
VETH_ADDR="10.200.1.1"
VPEER_ADDR="10.200.1.2"
ip li delete ${VETH} 2>/dev/null
# Remove namespace if it exists.
ip netns del $NS &>/dev/null
@programmer131
programmer131 / self-signed-certificate-with-custom-ca.md
Created May 4, 2020 10:37 — forked from fntlnz/self-signed-certificate-with-custom-ca.md
Self Signed Certificate with Custom Root CA

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096
@programmer131
programmer131 / ca_validation.md
Created April 16, 2020 10:28 — forked from genaromadrid/ca_validation.md
Validate a Certificate against a Certificate Authority using OpenSSL

Certificate CA Validation

The easy way

To validate a certificate agains a certificate authority you just have to run

openssl verify -trusted ca_root.pem -untrusted intermediate_ca.pem certificate.pem

You'll see a 'OK' message at the end of the output