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radare2

load without any analysis (file header at offset 0x0): r2 -n /path/to/file

• analyze all: aa
• show sections: iS
• list functions: afl
• list imports: ii
• list entrypoints: ie
• seek to function: s sym.main

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Moved to git-repository: https://github.com/denji/awesome-http-benchmark

Tools

Located in alphabetical order (not prefer)

• ab – slow and single threaded, written in C
• apib – most of the features of ApacheBench (ab), also designed as a more modern replacement, written in C
• autocannon – fast HTTP/1.1 benchmarking tool written in Node.js
• baloo – Expressive end-to-end HTTP API testing made easy, written in Go (golang)

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About

• Vim (Vi IMproved)
• created by Bram Moolenaar
• initial release 1991 (Vi was released 1976)
• still in active development

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openssl 🔐

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl

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# Check these threads before proceeding:
# https://github.com/microsoft/WSL/discussions/5857
# https://github.com/microsoft/WSL/issues/5821
if (-Not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
  $CmdLine = "-File `"" + $MyInvocation.MyCommand.Path + "`" " + $MyInvocation.UnboundArguments
  Start-Process -FilePath PowerShell.exe -Verb Runas -ArgumentList $CmdLine
  Exit
}
# Restart the Host Network Service 
Restart-Service -Force -Name hns

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Python installation guide

These are my notes, not a generic solution. They are not meant to work anywhere outside my machines. Update version numbers to whatever are the current ones while you do this.

Install asdf and its python plugin, then install Python

asdf lives in https://github.com/asdf-vm/asdf

Follow its installation instructions, which at the moment of writing were:

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Download InstantClient

mkdir -p /opt/oracle
cd /opt/oracle
wget https://download.oracle.com/otn_software/linux/instantclient/218000/instantclient-basic-linux.x64-21.8.0.0.0dbru.zip
unzip instantclient-basic-linux.x64-21.8.0.0.0dbru.zip

Download SQLPlus

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Instructions to Upgrade PostgreSQL to v14 (Ubuntu)

• Migration plan
  • Phase one: Develop automation in a isolated environment
  • Phase two: Ensure the integrity of the migration and make a copy of the database
  • Phase three: Freeze the system and migrate
  • Phase four: Test the upgrade end-to-end in staging/production
• Rollback plan
• Playbook
• 1. Backup

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1) In your terminal, open the file using vim:

vim file_name
2) Remove all BOM characters:

:set nobomb
3) Save the file:

:wq