Day-3: 1. Write down 10 fearures of Kubernetes with image

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Kubernetes manages 1 to many containers Load Balancing – Manages the load balance of multiple containers running with same port in one host Auto healing Keep desired state of containers Allow to view the data center as a computer by managing all containers hosted in multiple host Container orchestration Automated Rollbacks Auto Scaling –

Read more

Composer: file_put_contents(./composer.json or ./composer.lock): failed to open stream: Permission denied

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Problem When I run Composer update in my project then I got this error. Solution It can be resolved with the following command: That’s all. I hope this article helps you to fix your issue. Thanks for reading. Keep Exploring.

Read more

Assignment 2 Day 2

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now List out all INSTRUCTION statement of dockerfile and give one line explanationFROMMAINTAINERRUNCMDLABELEXPOSEENVADDCOPYENTRYPOINTVOLUMEUSERWORKDIRARGONBUILDSTOPSIGNALHEALTHCHECKSHELL Q2. Build all these 5 images and run container and observe the use cases of it.https://devopsschool.com/tutorial/docker/dockerfile/dockerfile-example-sample-lab.html Q3. Write a example dockerfile with 2 CMD, 2 ENTRYPOINT and 1 CMD/1ENTRYPOINT and write down a behavior of it.if ENTRYPOINT is not specified, default is

Read more

What is Union Mounts and how it works? Explained with Images!

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Union mount is a type of a filesystem that can create an illusion of merging contents of several directories into one without modifying its original (physical) sources. Union mount or union filesystem is not the filesystem type, but rather a concept with many implementations. UnionFS, aufs, OverlayFS, ZFS, and Btrfs are different implementations of

Read more

What is SHA256 and how can you use it? Explained with Images!

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now A Docker image is built up from a series of layers. Each layer represents an instruction in the image’s Dockerfile. All layers except the last one is read-only. To identify each layer separately, Layers are now identified by a digest, which takes the form algorithm:hex; for example: sha256:fc92eec5cac70b0c324cec2933cd7db1c0eae7c9e2649e42d02e77eb6da0d15f The hex element is calculated by

Read more

The stream or file “/opt/lampp/htdocs/testproject/storage/logs/laravel-2021-08-31.log” could not be opened in append mode: failed to open stream: Permission denied

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Problem I’m getting this error after migrating my laravel project to linux server, see error below Solution the error is that, Storage folder doesn’t have permission to write log files, you can run if you are using nginx then you need to use nginx user permission like below That’s All. I hope this article

Read more

Storage/volume drivers supported by docker

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now overlay2 Overlay2 is the preferred storage driver for all currently supported Linux distributions, and requires no extra configurations. fuse-overlayfs Preferred only for running Rootless Docker on a host that does not provide support for rootless overlay2 btrfs and zfs Allows for advanced options, such as creating “snapshots”, but require more maintenance and setup. Each of these relies on

Read more

List out number of storage/volume drivers supported by docker?

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Docker supports several storage drivers, using a pluggable architecture. The storage driver controls how images and containers are stored and managed on your Docker host.  The Docker Engine provides the following storage drivers on Linux: overlay2 – overlay2 is the preferred storage driver for all currently supported Linux distributions, and requires no extra configuration.fuse-overlayfs

Read more

List out number of storage/volume drivers supported by docker?

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now overlay2 overlay2 is the preferred storage driver for all currently supported Linux distributions, and requires no extra configuration. fuse-overlayfs fuse-overlayfsis preferred only for running Rootless Docker on a host that does not provide support for rootless overlay2. On Ubuntu and Debian 10, the fuse-overlayfs driver does not need to be used, and overlay2 works even in rootless mode. Refer to

Read more

List out number of storage/volume drivers supported by docker

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Overlay2 – preferred storage driver for all currently supported Linux distributions, and requires no extra configuration. fuse-overlayfs – preferred only for running Rootless Docker on a host that does not provide support for rootless overlay2 btrfs and zfs – The btrfs and zfs storage drivers allow for advanced options, such as creating “snapshots”, but require more maintenance and setup. Each of

Read more

List out number of storage/volume drivers supported by docker?

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Azure File Storage plugin BeeGFS Volume Plugin Blockbridge plugin Contiv Volume Plugin Convoy plugin DigitalOcean Block Storage plugin DRBD plugin Flocker plugin Fuxi Volume Plugin gce-docker plugin GlusterFS plugin Horcrux Volume Plugin HPE 3Par Volume Plugin Infinit volume plugin IPFS Volume Plugin Keywhiz plugin Local Persist Plugin NetApp Plugin (nDVP) Netshare plugin Nimble Storage Volume

Read more

List out number of storage/volume drivers supported by docker

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Volume plugins Plugin Description Azure File Storage plugin Lets you mount Microsoft Azure File Storage shares to Docker containers as volumes using the SMB 3.0 protocol. Learn more. BeeGFS Volume Plugin An open source volume plugin to create persistent volumes in a BeeGFS parallel file system. Blockbridge plugin A volume plugin that provides access to an extensible

Read more

List out number of storage/volume drivers supported by docker?

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now overlay2 / overlay – default storage driver for all linux flavors aufs – AUFS is a union filesystem, which means it presents multiple directories called branches, in AUFS as a single directory on a single Linux host. These directories are known as layers in Docker. devicemapper – It is a block storage driver that

Read more

Day2: 1. List out number of storage/volume drivers supported by docker?

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Docker supports several storage drivers, using a pluggable architecture. The storage driver controls how images and containers are stored and managed on your Docker host overlay2 is the preferred storage driver for all currently supported Linux distributions, and requires no extra configuration. The legacy overlay driver was used for kernels that did not support the “multiple-lowerdir” feature

Read more

Volume Drivers

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Technology Storage Driver OverlayFS overlay or overlay2 AUFS aufs Btrfs brtfs Device Manager devicemanager VFS vfs ZFS zfs

Read more

List out number of storage/volume drivers supported by docker?

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Azure File Storage plugin BeeGFS Volume Plugin Blockbridge plugin Contiv Volume Plugin Convoy plugin DigitalOcean Block Storage plugin DRBD plugin Flocker plugin Fuxi Volume Plugin gce-docker plugin GlusterFS plugin Horcrux Volume Plugin HPE 3Par Volume Plugin Infinit volume plugin IPFS Volume Plugin Keywhiz plugin Local Persist Plugin NetApp Plugin (nDVP) Netshare plugin Nimble Storage Volume

Read more
1 57 58 59 60 61 333