- Open a webpage that uses the CA with Firefox
- Click the lock-icon in the addressbar -> show information -> show certificate
- the certificate viewer will open
- click details and choose the certificate of the certificate-chain, you want to import to CentOS
- click "Export..." and save it as .crt file
- Copy the .crt file to
/etc/pki/ca-trust/source/anchors
on your CentOS machine - run
update-ca-trust extract
- test it with
wget https://thewebsite.org
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import org.apache.http.HttpHost; | |
import org.apache.http.auth.AuthScope; | |
import org.apache.http.auth.UsernamePasswordCredentials; | |
import org.apache.http.client.CredentialsProvider; | |
import org.apache.http.impl.client.BasicCredentialsProvider; | |
import org.apache.http.impl.client.CloseableHttpClient; | |
import org.apache.http.impl.client.HttpClientBuilder; | |
import org.apache.http.impl.client.ProxyAuthenticationStrategy; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; |
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#!/bin/bash | |
# run this scripts with `bash emoji-info.sh` or `./emoji-info.sh` | |
usage() { | |
cat << EOF | |
usage: $0 [options] <emoji> | |
Options: | |
-h Show this message | |
-o Octal Escape Sequence |
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#!/usr/bin/env python | |
import gitlab | |
from jira import JIRA | |
import urllib3 | |
## Disable urllib3 ssl checks warnings | |
urllib3.disable_warnings( urllib3.exceptions.InsecureRequestWarning ) | |
## GitLab config |
- Create namespace.yaml
apiVersion: v1
kind: Namespace
metadata:
name: gitlab
kubectl create -f ./namespace.yaml
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package mycompany.myappp.config; | |
import org.apache.commons.io.IOUtils; | |
import org.springframework.context.annotation.Configuration; | |
import org.springframework.http.HttpInputMessage; | |
import org.springframework.http.HttpOutputMessage; | |
import org.springframework.http.MediaType; | |
import org.springframework.http.converter.AbstractHttpMessageConverter; | |
import org.springframework.http.converter.HttpMessageConverter; | |
import org.springframework.http.converter.HttpMessageNotReadableException; |
See this issue.
Docker best practise to Control and configure Docker with systemd.
-
Create
daemon.json
file in/etc/docker
:{"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}
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$ genisoimage -output seed.iso -volid cidata -joliet -rock user-data meta-data |
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#!/bin/bash | |
## Generic installation on all nodes | |
sysctl -w net.ipv4.ip_forward=1 | |
sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/g' /etc/sysctl.conf | |
sudo sysctl -p /etc/sysctl.conf | |
swapoff -a | |
sed -i '2s/^/#/' /etc/fstab |