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@soarez
soarez / ca.md
Last active Nov 17, 2021
How to setup your own CA with OpenSSL
View ca.md

How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

@52cik
52cik / docker-batch-pull.sh
Last active Jul 2, 2021
docker 镜像批量更新
View docker-batch-pull.sh
for i in $( docker images --format "{{.Repository}}:{{.Tag}}" )
do
docker pull $i
done
# or
# docker images --format "{{.Repository}}:{{.Tag}}" | xargs -L1 docker pull
docker image prune -f
@dnnta
dnnta / city.rb
Created Apr 20, 2017
中国城市列表整理
View city.rb
# 数据来源 http://www.stats.gov.cn/tjsj/tjbz/xzqhdm/201703/t20170310_1471429.html
# 截止 2016 年 7 月 31 日
# 4 个直辖市下面的市辖区手动处理, 改为对应的名字,如 北京市-市辖区 改为 北京市-北京
# 其他市辖区, 直接去掉, 不入库
# 还有 4 个省直辖县级行政区划也手动处理, 去掉层级关系
class CreateChinaCities < ActiveRecord::Migration[5.0]
def change
create_table :china_cities do |t|
t.integer :code, index: true