b01

#!/bin/sh

# Copyright 2023 Khalifah K. Shabazz
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the “Software”),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:

fnky

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

• Ctrl-Key: ^[
• Octal: \033
• Unicode: \u001b
• Hexadecimal: \x1B
• Decimal: 27

Justsoos

#!/bin/sh
# proxychains wrapper
# Choose pre-supposed profile with -1,-2,-3 OR appoint by -n proxy(Node)_ip(hostname):port and -p proxy_protocol and -q as quiet mode

# Default profile
proxy_hostname=127.0.0.1
proxy_port=1080
protocol=socks5
# profile 1
proxy_hostname_1=127.0.0.1

svet-b

DhavalKapil

ELF

ELF Header

The first portion of any ELF file is the ELF header. This generally provides offsets to other headers (program headers and section headers) within an ELF.

typedef struct {
  unsigned char e_ident[EI_NIDENT];
 uint16_t e_type;

karimnaaji

• http://valgrind.org/docs/manual/cg-manual.html

valgrind --tool=cachegrind ./a.out
cg_annotate cachegrind.out.* --auto=yes

Instruction misses

• Ir: number of instructions executed
• I1mr: I1 cache read misses

pierrejoubert73

How to add a collapsible section in markdown

1. Example

Click me

Heading

1. Foo
2. Bar
   • Baz

• Qux

jFransham

Achieving warp speed with Rust

Contents:

• Number one optimization tip: don't
• Never optimize blindly
• Don't bother optimizing one-time costs
• Improve your algorithms
• CPU architecture primer
• Keep as much as possible in cache
• Keep as much as possible in registers

misterch0c

.
├── matree
├── swift
│   ├── 00503_0_254.242_2013mar02
│   ├── 00546_0_ensbdasa-09aug2013
│   ├── 00553_0_ensbdpix3-09aug2013
│   ├── 00554_0_ensbdpix4-09aug2013
│   ├── 00555_0_ensbdrtr1-2013aug09
│   ├── 00557_0_ENSBDVPN1-02AUG2013
│   ├── 00558_0_ENSBDVPN2-02AUG2013

wagenet

glibc Versions

List of oldest supported version of top 10 Linux Distros and their glibc version according to distrowatch.com.

Summary

Out of all versions with published EOLs, 2.12 is the oldest glibc still active, found in CentOS 6.8.

If CentOS 6 and 7 are eliminated, the oldest glibc is 2.23 in Ubuntu and Slackware.