rkalkani

#!/usr/bin/env bash
set -euo pipefail

SCRIPT_NAME="$(basename "$0")"

usage() {
  cat <<EOF
$SCRIPT_NAME — multi-format compressor (zstd, xz, gzip, lz4, snappy, brotli, zpaq)

Quick guide (which algo to use?):

rkalkani

#!/usr/bin/env bash
# =============================================================================
# check_axios_compromise.sh
# Scans project subdirectories AND global package manager caches/stores for
# compromised axios versions (SNYK-JS-AXIOS-15850650)
#
# Affected versions : axios@1.14.1  |  axios@0.30.4
# Malicious dep     : plain-crypto-js@4.2.1
# Supported PMs     : npm · yarn (v1 classic & v2/v3 Berry) · pnpm · bun
# Node version mgrs : nvm · fnm

rkalkani

#!/bin/bash

# Helper Comments:
# This script helps manage Docker images by cleaning up old and unused images
# while keeping a specified number of recent images per repository.
#
# Usage:
#   ./clean-docker-images.sh [--keep N] [--prune-containers] [--prune-dangling]
#
# Parameters:

rkalkani

Get Public IP

DNS

Google

dig o-o.myaddr.l.google.com txt @ns1.google.com +short
# OR
nslookup -type=txt o-o.myaddr.l.google.com ns1.google.com

rkalkani

# Backup mongodb from docker container
docker exec -i ${CONTAINER_NAME} mongodump --uri=${DB_URI} --archive --gzip > $(date +%Y%m%d_%H%M%S)_${DB_NAME}.pgsql.gz

# Restore mongodb from docker container
cat ${FILENAME}.mongodump.gz | docker exec -i ${CONTAINER_NAME} mongorestore --uri=${DB_URI} --nsFrom="${SRC_DB}.*" --nsTo="${DB}.*" --archive --gzip

rkalkani

# Backup postgresql db from postgresql docker container
docker exec -i ${CONTAINER_NAME} pg_dump -U ${USERNAME} -w ${DB_NAME} -O -x | gzip -9 > $(date +%Y%m%d_%H%M%S)_${DB_NAME}.pgsql.gz

# Restore the postgresql db to postgresql docker container
gunzip -c ${FILENAME}.pgsql.gz | sudo docker exec -i ${CONTAINER_NAME} pg_restore -U ${USERNAME} -w -d ${DB_NAME} -C --clean -Fc -O -x

rkalkani

#!/bin/sh

git filter-branch --env-filter '
OLD_EMAIL="wrong.email@example.com"
CORRECT_NAME="Name"
CORRECT_EMAIL="right.email@example.com"
if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
then
    export GIT_COMMITTER_NAME="$CORRECT_NAME"
    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"

rkalkani

Enable systemd-networkd debugging

mkdir -p /etc/systemd/system/systemd-networkd.service.d/
Create Drop-In /etc/systemd/system/systemd-networkd.service.d/10-debug.conf with following content:

[Service]
Environment=SYSTEMD_LOG_LEVEL=debug
And restart systemd-networkd service:

systemctl daemon-reload

rkalkani

#!/bin/sh
sudo apt-get update
sudo apt-get -y install build-essential cmake git pkg-config python-dev
sudo apt-get -y install libjpeg-dev libtiff5-dev libjpeg8-dev libjasper-dev libpng12-dev
sudo apt-get -y install libgtk2.0-dev
sudo apt-get -y install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get -y install libatlas-base-dev gfortran libxvidcore-dev libx264-dev

sudo pip install numpy
git clone https://github.com/opencv/opencv

rkalkani

# Ubuntu 16.04

sudo apt-get install libcurl4-openssl-dev pkg-config libssl-dev libsslcommon2-dev

# Install php dev
sudo apt-get install php-dev
# for php5.6, sudo apt-get install php5.6-dev

# Install pecl
sudo apt-get install php-pear