donilan

#!/usr/bin/env bash

#write out current crontab
crontab -l > /tmp/mycron

cat << EOF >> /tmp/mycron
# please pay atention, 168h is 7 days, which mean is it only keep the images created in 14 days, other will be removed. 
0 0 * * * docker image prune -a --filter "until=$(date +'%Y-%m-%dT%H:%M:%S' --date='-14 days')"
5 0 * * * docker container prune -f
10 0 * * * docker volume prune -f

donilan

#!/usr/bin/env bash

docker run --rm mysql:5.7 mysqldump \
  -uUSERNAME \
  -hmysq.example.com \
  -pPASSWORD database_name | gzip > /path/to/your/backup/folder/backup_$(date +"%Y%m%d_%H%M%S").sql.gz

# only keep 5 backups
ls -1tr | head -n -5 | xargs -d '\n' rm -f --

donilan

#!/usr/bin/env bash

cat << EOF | sudo tee /etc/systemd/system/docker.service.d/aws-credentials.conf
[Service]
Environment="AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID"
Environment="AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY"
EOF

sudo systemctl daemon-reload
sudo systemctl start docker

donilan

version: '3'
services:
 reverse-proxy:
   image: traefik:v2.2
   restart: always
   command:
     # - "--log.level=DEBUG"
     - "--api.insecure=true"
     - "--providers.docker=true"
     - "--providers.docker.exposedbydefault=false"

donilan

#!/usr/bin/env


sudo dd if=/dev/zero of=/swapfile bs=4096 count=1024k && \
sudo chmod 600 /swapfile && \
sudo mkswap /swapfile && \
sudo swapon /swapfile && \
sudo cp /etc/fstab{,.bak} && \
sudo echo "/swapfile   swap    swap    sw  0   0" | \
sudo tee -a /etc/fstab

donilan

#!/usr/bin/env bash

sudo hostname $NEW_HOSTNAME
hostname | sudo tee /etc/hostname
sudo sed -i -e "s/ $(hostname)//g" -e "/127.0.0.1/s/\$/ $(hostname)/" /etc/hosts

donilan

#!/usr/bin/env bash

sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
sudo yum makecache fast

donilan

cat <<EOF > ~/.emacs
(custom-set-variables
 '(auto-save-default nil)
 '(create-lockfiles nil)
 '(make-backup-files nil))
EOF

donilan

Keybase proof

I hereby claim:

• I am donilan on github.
• I am doni (https://keybase.io/doni) on keybase.
• I have a public key ASCDRtxIq0fso6gX8bwx8HEMtdTjiruO7MGIuDsCURS5Ygo

To claim this, I am signing this object:

donilan

(defun copy-from-osx ()
  (shell-command-to-string "pbpaste"))

(defun paste-to-osx (text &optional push)
  (let ((process-connection-type nil)
        (lang (getenv "LANG"))
        (default-directory "~"))
    (setenv "LANG" "en_US.UTF-8")
    (let ((proc (start-process "pbcopy" "*Messages*" "pbcopy")))
      (process-send-string proc text)