farrokhi

#!/bin/sh
set -u

NUMA_BEFORE=`numactl -H | grep free:`
SLAB_BEFORE=`grep Normal /proc/buddyinfo`

printf "Dropping page cache..."
sysctl -qw vm.drop_caches=1
echo

farrokhi

#!/bin/bash
#
# hugepages_settings.sh
#
# Linux bash script to compute values for the
# recommended HugePages/HugeTLB configuration
#
# Note: This script does calculation for all shared memory
# segments available when the script is run, no matter it
# is an Oracle RDBMS shared memory segment or not.

farrokhi

Text file with hard line-breaks:

# vim:ts=4:sw=4:tw=79:wm=2

Golang source files with proper tab and spacing:

// vim:noet:noai:ts=4:sw=4

farrokhi

grep -A1 Normal  /proc/zoneinfo  ; echo "--"; sysctl vm.min_free_kbytes ; echo "--"; numactl -H | grep free

farrokhi

#!/usr/local/bin/python
"""
Autotuning program.

Garrett Cooper, December 2011

Example:
    autotune.py --conf loader \
                --kernel-reserved=2147483648 \
                --userland-reserved=4294967296

farrokhi

#!/bin/sh

# best-mirror.sh
#
# Domesticaed for FreeBSD by Babak Farrokhi ([email protected])
#
# This script finds the fastest freebsd-update mirror based on 
# data transfer rates from cURL.
#
# Note: I used a static list of mirrors, which is not the best way to 

farrokhi

from functools import wraps
import pickle
from random import randint, choice
import string
import pathlib
import time
import sys

big_list = []  # our huge list of tuples
cache_file = "test-data-cache.pickle"

farrokhi

In order to avoid FreeBSD ntpd listen on wildcard interface, add following lines to /etc/ntp.conf:

interface ignore wildcard
interface listen 10.0.0.1

farrokhi

build/update database:

cd $PROJ_DIR
find . -path .git -path .svn -prune -o -name "*.[ch]" > cscope.files
cscope -bqk

browse code:

cscope -d

farrokhi

#
# The output from my check-dnskey.sh script that requests DNSKEY record
# from top 100 domain names and prints the key if there was any.
# last updated on 2017-oct-20
#
google.com		NO
youtube.com		NO
facebook.com		NO
baidu.com		NO
wikipedia.org		NO