denji

Moved to git repository: https://github.com/denji/nginx-tuning

NGINX Tuning For Best Performance

For this configuration you can use web server you like, i decided, because i work mostly with it to use nginx.

Generally, properly configured nginx can handle up to 400K to 500K requests per second (clustered), most what i saw is 50K to 80K (non-clustered) requests per second and 30% CPU load, course, this was 2 x Intel Xeon with HyperThreading enabled, but it can work without problem on slower machines.

You must understand that this config is used in testing environment and not in production so you will need to find a way to implement most of those features best possible for your servers.

denji

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)

denji

VMware VMX Configuration Parameters - Documentation

⚠️ WARNING: USE AT YOUR OWN RISK
These parameters are largely undocumented and unsupported by VMware. Always backup your .vmx files before making changes and test in non-production environments first.

Table of Contents

• File Format and Structure
• Basic Virtual Machine Configuration
• Hardware Configuration

denji

Moved to git repository: https://github.com/denji/jetbrains-cleanup-backup

Quick uninstall JetBrains settings:

curl -sL https://gist.github.com/denji/9731967/raw/jetbrains-uninstall.sh | bash -s

Quick backup JetBrains settings:

curl -sL https://gist.github.com/denji/9731967/raw/jetbrains-backup.sh | bash -s

denji

# Ubuntu/Debian
# New rules files are written in JavaScript unsupported. (need pkaction 0.106+)
# /etc/polkit-1/localauthority/50-local.d/libvirt-manage.pkla

[libvirt Management Access]
Identity=unix-group:libvirt
Action=org.libvirt.unix.manage
ResultActive=yes
ResultInactive=yes
ResultAny=yes

denji

# /etc/modprobe.d/nvidia.conf

# NVIDIA Linux modprobe.d Configuration
#
# Memory and Performance Enhancements:
#
#   - NVreg_UsePageAttributeTable=1 (Default: 0)
#       Activates the Page Attribute Table (PAT) for improved memory management.
#       PAT creates a partition table at a fixed register-mapped address, potentially enhancing CPU performance.
#

denji

Moved to git repository: https://github.com/denji/golang-tls

Generate private key (.key)

# Key considerations for algorithm "RSA" ≥ 2048-bit
openssl genrsa -out server.key 2048

# Key considerations for algorithm "ECDSA" ≥ secp384r1
# List ECDSA the supported curves (openssl ecparam -list_curves)

denji

Git cheatsheet

Find all instances of text in all commits

git grep "text to look for" $(git rev-list --all)

List commit messages since given commit

denji

1. Download docker-compose.yml to dir named sentry
2. Change SENTRY_SECRET_KEY to random 32 char string
3. Run docker-compose up -d
4. Run docker-compose exec sentry sentry upgrade to setup database and create admin user
5. (Optional) Run docker-compose exec sentry pip install sentry-slack if you want slack plugin, it can be done later
6. Run docker-compose restart sentry
7. Sentry is now running on public port 9000

• https://docs.docker.com/compose/compose-file/#env_file

denji

                _   _            _      ____             _    _ 
               | | | | __ _  ___| | __ | __ )  __ _  ___| | _| |
               | |_| |/ _` |/ __| |/ / |  _ \ / _` |/ __| |/ / |
               |  _  | (_| | (__|   <  | |_) | (_| | (__|   <|_|
               |_| |_|\__,_|\___|_|\_\ |____/ \__,_|\___|_|\_(_)
                                                 
     A DIY Guide for those without the patience to wait for whistleblowers


--[ 1 ]-- Introduction