liaoyw / install-pyenv-centos-7

Created December 30, 2024 12:48 — forked from jess-sol/install-pyenv-centos-7

Install pyenv on CentOS 7 for a specific user with dependencies to manage installed versions of Python

	sudo yum install \
	git gcc zlib-devel bzip2-devel readline-devel \
	sqlite-devel openssl-devel libffi-devel

	git clone https://github.com/pyenv/pyenv.git ~/.pyenv

	cat <<'EOF' >> ~/.bash_profile
	export PYENV_ROOT="$HOME/.pyenv"
	export PATH="$PYENV_ROOT/bin:$PATH"
	if command -v pyenv 1>/dev/null 2>&1; then

liaoyw / ReadingHelmResources.md

Created September 12, 2024 13:01 — forked from DzeryCZ/ReadingHelmResources.md

Decoding Helm3 resources in secrets

Helm 3 is storing description of it's releases in secrets. You can simply find them via

$ kubectl get secrets
NAME                                                TYPE                                  DATA   AGE
sh.helm.release.v1.wordpress.v1                     helm.sh/release.v1                    1      1h

If you want to get more info about the secret, you can try to describe the secret

$ kubectl describe secret sh.helm.release.v1.wordpress.v1

liaoyw / 01.bash_shortcuts_v2.md

Created February 6, 2023 16:19 — forked from tuxfight3r/01.bash_shortcuts_v2.md

Bash keyboard shortcuts

Bash Shortcuts

Moving

command	description
ctrl + a	Goto BEGINNING of command line

liaoyw / aes_cbc_pkcs5.go

Created February 20, 2021 08:06 — forked from hothero/aes_cbc_pkcs5.go

AES/CBC/PKCS5Padding implementation by Golang (can work with JAVA, C#, etc.)

	package main

	import (
	"bytes"
	"crypto/aes"
	"crypto/cipher"
	"encoding/base64"
	"fmt"
	)

liaoyw / BTree.cpp

Created April 28, 2020 06:36 — forked from pervognsen/BTree.cpp

A B+-tree implementation with find, insert and delete in 176 lines of code.

	enum { BMAX = 32, BMIN = BMAX / 2, BHEIGHT = 6 };

	struct BNode {
	uint32_t length;
	Key keys[BMAX];
	union {
	BNode *children[BMAX];
	Value values[BMAX];
	};
	};

liaoyw / tcp_flags.txt

Created November 24, 2019 12:46 — forked from tuxfight3r/tcp_flags.txt

tcpdump - reading tcp flags

	##TCP FLAGS##

	Unskilled Attackers Pester Real Security Folks
	==============================================
	TCPDUMP FLAGS
	Unskilled = URG = (Not Displayed in Flag Field, Displayed elsewhere)
	Attackers = ACK = (Not Displayed in Flag Field, Displayed elsewhere)
	Pester = PSH = [P] (Push Data)
	Real = RST = [R] (Reset Connection)
	Security = SYN = [S] (Start Connection)

liaoyw / gitclone

Created December 30, 2018 06:51

	#!/bin/bash

	function gitclone() {
	cd ~/workspace
	path=$1

	# remove http:// or https:// at the begining
	path=${path#http://}
	path=${path#https://}

liaoyw / MonBuffers.java

Created August 10, 2018 07:38 — forked from t3rmin4t0r/MonBuffers.java

Monitoring direct memory in the JVM (from https://blogs.oracle.com/alanb/entry/monitoring_direct_buffers, adapted for JDK8)

	import java.io.File;
	import java.util.*;
	import java.lang.management.BufferPoolMXBean;
	import java.lang.management.ManagementFactory;
	import javax.management.MBeanServerConnection;
	import javax.management.ObjectName;
	import javax.management.remote.*;

	import com.sun.tools.attach.VirtualMachine; // Attach API

liaoyw / fileserver.go

Created February 7, 2018 03:27

	package main

	import "log"
	import "flag"
	import "net/http"
	import "fmt"

	var dir = flag.String("d", ".", "file directory")
	var port = flag.Int("p", 8088, "server port")

liaoyw / cfs_quota.go

Last active September 17, 2017 04:42

	package main

	import (
	"flag"
	"time"
	"sync/atomic"
	"hash/adler32"
	"fmt"
	"os"
	"runtime"

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Bash Shortcuts

Moving