Search For:
- Home
- Search For:
Deploy Multiple WordPress Applications On Ubuntu
This article will guide you on how to deploy multiple #WordPress applications on #Ubuntu with #Docker.
Docker is a #tool designed to make it easier to create, deploy, and run applications by using #containers. Containers allow a developer to package up an application with all of the parts it needs, such as libraries and other #dependencies, and ship it all out as one package.
The Objectives to deploy a docker container:
1. Package a sample web application into a Docker #image.
2. Upload the Docker image to Container #Registry.
3. Create a GKE #cluster.
4. Deploy the sample #app to the cluster.
5. Manage autoscaling for the deployment.
6. Expose the sample app to the internet.
7. Deploy a new version of the sample app.
MySQL BLOB Data Type
This article will guide you on how #MySQL #BLOB data type works in storing and displaying images with #PHP on Ubuntu 18.04. A BLOB is a binary large object that can hold a variable amount of data.
A Binary Large OBject (BLOB) is a collection of #binary data stored as a single entity in a database management system. Blobs are typically images, audio or other multimedia objects, though sometimes binary executable code is stored as a blob.
The four BLOB types are #TINYBLOB , #BLOB , #MEDIUMBLOB , and #LONGBLOB . These differ only in the maximum length of the values they can hold. The four TEXT types are TINYTEXT , TEXT , MEDIUMTEXT , and LONGTEXT .
The size of blob in MySQL:
TINYBLOB - Up to 255 bytes - 1 byte
BLOB - Up to 64 Kb - 2 bytes
MEDIUMBLOB - Up to 16 Mb - 3 bytes
LONGBLOB - Up to 4 Gb - 1 Bytes
List installed software Linux
This article will guide you on different methods to #list all #software, the number of #packages available on the server along with the method to copy them and use them when we reinstall our operating system(#OS).
Yum automatically refreshes the list of packages, whilst with apt-get you must execute a command 'apt-get update' to get the fresh packages.
To list of installed programs in #Linux:
1. Aptitude-based distributions (#Ubuntu, #Debian, etc): dpkg -l.
2. RPM-based distributions (#Fedora, #RHEL, etc): rpm -qa.
3. pkg*-based distributions (#OpenBSD, #FreeBSD, etc): pkg_info.
4. Portage-based distributions (#Gentoo, etc): equery list or eix -I.
5. pacman-based distributions (Arch Linux, etc): pacman -Q.
Add Glance Cloud images to OpenStack
This article will guide you on steps to add #Glance #Cloud images to #OpenStack with different #Linux distributions which enables users to discover, register, and retrieve virtual machine images.
After images are created they should be registered in Openstack Glance - #image operation service.
Upload Image Into Glance:
1. Replace <NAME> with the name that users will refer to the disk image by.
2. Replace <IMAGE_FILE> with the local path to the image file to upload.
Deploy Node js Application to DigitalOcean Server
This article will guide you on how to deploy node.js application to #DigitalOcean Server.
To Deploying #Node . js application to DigitalOcean — Setting up the #server:
1. Getting familiar with Digital Ocean and creating your first #droplet.
2. Setting up #SSH and connecting to your server from your local #machine.
3. Setting up a simple Express.js web-server in local machine.
4. Using #Git to deploy your code to server.
Lets encrypt new auth status 429 error
This article will guide you on methods to troubleshoot and fix 429 error which occurs due to creation of multiple #SSL #certificates for a #domain.
1. 429 means you went over the rate #limits.
2. You issued 5 certificates in the last week. This is why you get a #429 answer.
3. You need to wait two days to get another one. do you have access to the certificates you issued?
