How TECH: April 2020

4/28/2020

Have a problem in your DSC configuration.

"Failed to apply the configuration. These resources produced errors: [nxFile]MyFolder. Detailed error information can be found in the log file.\"}"]

Nginx solution for check http_stub_status_module

Nginx add internal configuration to use http_stub_status_module

Nginx Reverse configuration

Simple Nginx proxy reverse configuration

add the file proxy.conf in /etc/nginx/conf.d/

proxy_http_version 1.1;

proxy_set_header Host               $http_host;
proxy_set_header X-Real-IP          $remote_addr;
proxy_set_header X-Forwarded-For    $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Upgrade            $http_upgrade;
proxy_set_header Connection         "Upgrade";

Configuration for the domain simple

server {
  listen 80;
  listen [::]:80;

  server_name example.com;

  location / {

 include    conf.d/proxy.conf;

 proxy_pass http://192.168.123.321:3000/;
  }
}

4/01/2020

How to pass value of a variable in ssh command

How make a script using a local or remote variable in other script

Sample SCRIPT

#!/bin/bash
## find the last or new backup file in the folder and create a variable name
DBFILE DBFILE=`ssh -t serverB@192.0.0.1 "sudo find /temp/backup.sql -type f -mtime -1 -name "*.sql""`

###( just show the name file)
echo $DBFILE
### send the variable local to remote server
echo here is DBFILE $DBFILE
#ssh -t serverB@192.0.0.1 "sudo cp $DBFILE /home/user/"
## Script execute remote with the variable
#/usr/bin/scp serverB@192.0.0.1:/home/user/$DBFILE /opt/temp

How TECH