jamesdube

Enable TCP port 2375 for external connection to Docker

See this issue.
Docker best practise to Control and configure Docker with systemd.

1. Create daemon.json file in /etc/docker:

    {"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}
   

jamesdube

How to disable systemd-resolved in Ubuntu

Stages

• Disable and stop the systemd-resolved service:

    sudo systemctl disable systemd-resolved.service
    sudo systemctl stop systemd-resolved
  

• Then put the following line in the [main] section of your /etc/NetworkManager/NetworkManager.conf:

jamesdube

sudo yum install "kernel-devel-uname-r == $(uname -r)"

jamesdube

import java.net.InetSocketAddress 
import scala.xml.{Elem, XML} 
import org.jboss.netty.buffer.ChannelBuffers 
import org.jboss.netty.util.CharsetUtil.UTF_8 
import com.twitter.finagle.Service; 
import com.twitter.finagle.builder.ClientBuilder; 
import com.twitter.finagle.http.{Http, RequestBuilder}; 
import org.jboss.netty.handler.codec.http._ 
import org.jboss.netty.buffer.ChannelBuffers.wrappedBuffer
import java.net.URL

jamesdube

sudo virt-install --name=deepin-vm-2 --os-variant="generic" --vcpu=2 --ram=2048 --graphics spice --cdrom=/mnt/data/software/isos/ubuntu-20.04-live-server-amd64.iso  --disk size=10,path=/mnt/data/virtual-machines/kvmubu-3 --network bridge=virbr0

jamesdube

#!/bin/bash
PARAMS=""
while (( "$#" )); do
  case "$1" in
    -a|--my-boolean-flag)
      MY_FLAG=0
      shift
      ;;
    -b|--my-flag-with-argument)
      if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then

jamesdube

Here are several different ways to test a TCP port without telnet.

BASH (man page)

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23

jamesdube

#!/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

jamesdube

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;

jamesdube

Please make fork of this, as this can be removed by Github.com sooner or later.

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