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salehi / k3s-disk-cleanup.md
Created December 9, 2025 01:55

K3s Disk Cleanup

Quick Commands

Images

# List images
k3s crictl images

# Remove unused images
@salehi
salehi / windows11-ro-disk.md
Last active December 7, 2025 23:10

Fix Windows 11 NTFS Read-Only Mount in Linux

Problem

Windows disk mounts as read-only in Linux due to Windows Fast Startup leaving the filesystem in a hibernated state.

Solution: Disable Windows Fast Startup

Method 1: Control Panel (Recommended)

  1. Open Control Panel
@salehi
salehi / mssqlbackup
Created December 6, 2023 12:19 — forked from allebb/mssqlbackup
Shell script to backup Microsoft SQL Server vNEXT databases on Linux.
#!/usr/bin/env bash
#
# Shell script to automate the backup of Microsoft SQL Server vNEXT backups on Linux.
# Written by Bobby Allen <[email protected]>, 26/04/2017
#
# Download this script and put into your servers' /usr/bin directory (or symlink) then make it executable (chmod +x)
#
# Usage example (backup databases into /var/backups, keep backups for 5 days, connect to server "localhost" with the account "sa" and a password of "P455w0RD"):
# mssqlbackup "/var/dbbackups" 5 "localhost" "sa" "P455w0rD"
@salehi
salehi / mysql-performance-tuning.sql
Created November 25, 2023 19:24 — forked from denji/mysql-performance-tuning.sql
MySQL Performance Tuning
-- Query the database to calculate a recommended innodb_buffer_pool_size
-- and get the currently configured value
-- The rollup as the bottom row gives the total for all DBs on the server, where each other row is recommendations per DB.
SELECT
TABLE_SCHEMA,
CONCAT(CEILING(RIBPS/POWER(1024,pw)),SUBSTR(' KMGT',pw+1,1))
Recommended_InnoDB_Buffer_Pool_Size,
(
SELECT CONCAT(CEILING(variable_value/POWER(1024,FLOOR(LOG(variable_value)/LOG(1024)))),SUBSTR(' KMGT',FLOOR(LOG(variable_value)/LOG(1024))+1,1))
@salehi
salehi / bench.py
Created July 20, 2023 08:41 — forked from methane/bench.py
Benchmarking MySQL drivers (Python 3.4)
from __future__ import print_function
import time
def query_10k(cur):
t = time.time()
for _ in range(10000):
cur.execute("SELECT 1,2,3,4,5")
res = cur.fetchall()
assert len(res) == 1
assert res[0] == (1,2,3,4,5)
@salehi
salehi / proxysql-cheatsheet.md
Created April 11, 2023 23:33 — forked from aorfanos/proxysql-cheatsheet.md
ProxySQL Cheatsheet
@salehi
salehi / config.json
Created August 17, 2022 13:36 — forked from iandol/config.json
V2Ray setup, adds HTTP and SOCKS proxy and more logging (see https://www.v2ray.com/en/configuration/index.html). Another option is to use clash to provide a HTTP to SOCKS proxy https://github.com/Dreamacro/clash
{
"log": {
"logelevel": "info"
},
// Run a local SOCKS proxy for apps to connect to.
"inbounds": [{
"port": 1080,
"listen": "127.0.0.1",
"protocol": "socks",
"sniffing": {
@salehi
salehi / menti vote hack script
Created December 21, 2021 11:59
from time import sleep
import requests
import json
def vote():
req = requests.post('https://www.menti.com/core/identifiers',
headers={'authority': 'www.menti.com',
'content-length': '0',
@salehi
salehi / ttfb.sh
Created September 29, 2021 11:27 — forked from sandeepraju/ttfb.sh
curl command to check the time to first byte
#!/bin/bash
# file: ttfb.sh
# curl command to check the time to first byte
# ** usage **
# 1. ./ttfb.sh "https://google.com"
# 2. seq 10 | xargs -Iz ./ttfb.sh "https://google.com"
curl -o /dev/null \
-H 'Cache-Control: no-cache' \
-s \
@salehi
salehi / zoho_send_email.py
Created September 5, 2021 07:57 — forked from frankyxhl/zoho_send_email.py
Python script to send email by zoho.com's mail service
# Code from best solution in page below:
# https://help.zoho.com/portal/community/topic/zoho-mail-servers-reject-python-smtp-module-communications
import smtplib
from email.mime.text import MIMEText
from email.header import Header
from email.utils import formataddr
# Define to/from
sender = '[email protected]'