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View installing moby-engine+docker on Fedora 34
1. If ur upgrading from an older fedora,
1.1 `sudo dnf remove docker-*`
1.2 `sudo dnf config-manager --disable docker-*`
1.2 please ensure `/etc/default/grub` doesnt contain `systemd.unified_cgroup_hierarchy=0`. If it does contain, then remove it and run `sudo grub2-mkconfig -o /boot/grub2/grub.cfg`
2. reboot
3. set firewall correctly using `sudo firewall-cmd --zone=docker --change-interface=docker0`
4. in `/etc/sysconfig/docker` please ensure `--live-restore` is removed
5. reboot
6. docker should work
sandys /
Last active Oct 20, 2021
fastapi with python 3.7 dataclasses - used to create both sqlalchemy and pydantic models simultaneously
sandys /
Created Apr 28, 2020
how to clean your git repo of all blobs greater than 100M (github friendly)
  1. Download git-filter-repo script
  2. name the file as
  3. run python /tmp/ --force --strip-blobs-bigger-than 100M --refs <branch name>
sandys /
Created Mar 20, 2020
running postgresql on your laptop without installing it (using docker) . with connections to python

docker network create pg

docker run -it --rm -P -p 5432:5432 --name pg -e POSTGRES_PASSWORD=password -e POSTGRES_USER=postgres -e POSTGRES_DB=production -v pgdata:/var/lib/postgresql/data --network=pg postgres

pgdata is the name of the docker volume. You can check it using docker volume ls and docker volume inspect pgdata. You can delete the docker volume by docker volume rm pgdata and prune all volumes using docker volume prune docker volumes are created in your central docker directory (usually /var/lib/docker/overlay2 ). You generally dont need to care about this.

You can now access it in many ways:

sandys / next.config.js
Created Feb 17, 2020
next.config.js for superprops
View next.config.js
const withPlugins = require('next-compose-plugins');
const withTM = require('next-transpile-modules')(['reusecore', 'common']);
const withOptimizedImages = require('next-optimized-images');
const withFonts = require('next-fonts');
const withCSS = require('@zeit/next-css');
const path = require("path");
module.exports = withPlugins(
sandys /
Created Aug 18, 2019
Gridsearchcv with k-fold cross validation and early stopping
... import xgboost.sklearn as xgb
... from sklearn.model_selection import GridSearchCV
... from sklearn.model_selection import TimeSeriesSplit
... cv = 2
... trainX= [[1], [2], [3], [4], [5]]
... trainY = [1, 2, 1, 2, 1]
sandys /
Last active May 7, 2018
pythonhosted issues

user@instance-mumbai:~/docker-setup-v2/flask$ dig A

; <<>> DiG 9.10.3-P4-Ubuntu <<>> A ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3624 ;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512

sandys / datadog.service
Last active Mar 22, 2018
Getting Datadog logs to work with Docker Swarm or journald
View datadog.service
Description=Datadog Docker Swarm
ExecStart=/bin/zsh -c "coproc while true; do ncat --ssl 10516; done ;journalctl -o json -f | jq -r --unbuffered '\"c441ade4f5f4d04c \" + ({ message:.MESSAGE, service_name:.COM_DOCKER_SWARM_SERVICE_NAME, container:.CONTAINER_NAME, containerid:.CONTAINER_ID_FULL, host:._HOSTNAME,pid:(._PID // \"-\"), timestamp:(.__REALTIME_TIMESTAMP|tonumber/1000000|todate),\"syslog.severity\":((.PRIORITY|tonumber)) }|tostring)' >&p 2>&p"
sandys /
Created Mar 3, 2018
getting nvidia-docker2 with CUDA running on Ubuntu-16.04
sudo add-apt-repository ppa:graphics-drivers
curl -fsSL | sudo apt-key add -
sudo add-apt-repository \
"deb [arch=amd64] \
$(lsb_release -cs) \
curl -s -L | sudo apt-key add -
sandys /
Created Feb 27, 2018
Converting set of images into PDF using Pillow
from PIL import Image
import requests
from io import BytesIO
from io import StringIO
url1 = ",q_95,e_sharpen:50,w_480/e_saturation:05/"
url2 = ""
url3 = ""