[laughing numbly - throwing rotten] [SEED Labs 2.0] buffer overflow attack

The learning goal of this experiment is to let students practice the knowledge about buffer overflow vulnerability learned from the classroom, so as to obtain first-hand experience about the vulnerability. Buffer overflow refers to the situation that the program attempts to write data outside the pre allocated fixed length buffer boundary. M ...

Posted by jpschwartz on Sun, 26 Sep 2021 06:46:51 +0200

Docker compose one click deployment of distributed configuration center Apollo

brief introduction When talking about distributed, we must think of distributed configuration center, distributed log, distributed link tracking, etc In distributed deployment, businesses often have many configurations. For example, applications need to read some configuration information during startup and operation. Configuration basically ...

Posted by michibk on Thu, 23 Sep 2021 07:34:26 +0200

Kubernetes Pod introduction Pod scheduling

preface This is the sixth chapter of Kubernetes. We must build up the environment. It seems that we can't solve the problem. We must fight in practice. Kubernetes series: Introduction to Kubernetes Kubernetes environment construction Introduction to kubernetes kubectl Kubernetes pod Introduction (-) Introduction to kubernetes pod (II) - ...

Posted by crob611 on Wed, 22 Sep 2021 00:56:20 +0200

kubernetes cluster setup 01 environment preparation

Environmental Science: Ubuntu 20.04.2 LTS \n \l Kubedm is recommended for cluster construction in production environment, The starting point of kubedm tool is very simple, which is to deploy a Kubernetes cluster available for production as easily as possible. In fact, it is really simple. You only need two commands: # Create a Master n ...

Posted by essexboy on Sun, 19 Sep 2021 14:17:56 +0200

Docker Container Data Volume Details

1.Data Volume Introduction Docker packages and runs environments to form container runs. Data generated by Docker containers will naturally be lost when the containers are deleted unless a new image is generated through docker commit. In order to save data in Docker we use volumes. | Volumes are directories or files that exist in one or more ...

Posted by Moonspell on Sun, 12 Sep 2021 19:05:21 +0200

docker private warehouse registry and resource control cgroup

1, Establishment of private image 1. Download and modify the daemon file [root@docker ~]# docker pull registry [root@docker ~]# vim /etc/docker/daemon.json { "insecure-registries": ["192.168.100.21:5000"], #Add line, local ip "registry-mirrors": ["https://xxxxx.mirror.aliyuncs.com "] # own alicloud image accelerator } [roo ...

Posted by Dominator69 on Sun, 12 Sep 2021 06:45:11 +0200

redis-sentinel cluster (k8s script)

1 redis backup It is recommended that rdb and aof be turned on simultaneously.rdb is on by default and aof is off by default.Refer to rdb and aof for additional details http://blog.csdn.net/guoxingege/article/details/48780745 1.1Redis.confConfiguration Details requirepass 123456 ## The following is the rdb confi ...

Posted by Alt_F4 on Tue, 14 Jul 2020 16:40:04 +0200

docker builds redis cluster

docker builds redis cluster 1. Download the redis image docker pull redis 2. Prepare the configuration fileRedis.conf mkdir /home/docker/redis/ wget https://raw.githubusercontent.com/antirez/redis/3.0/redis.conf -O /home/docker/redis/redis.conf cd /home/docker/redis/ sed -i 's/# slaveof <masterip> <masterport>/slaveof red ...

Posted by legacyblade on Mon, 13 Jul 2020 16:48:41 +0200

An hour to develop a Demo with Hyperledger Fabric

First understand what it is, then understand how to do it, then understand why As the beginning of the series, this paper tries to make you have a general understanding of fabric through a simple process of fabric application development. preface Put three pictures first:     The first is Gar ...

Posted by nats on Sun, 28 Jun 2020 04:01:28 +0200

docker distributed warehouse harbor

Article catalog docker distributed warehouse harbor 1. Official introduction to harbor function 2. Install Harbor 2.1 solving dependent environment 1. Install docker 2. Install docker compose 2.2 and configure harbor startup 2.3. Harbor later modification configuration 3. Use harbor and upload i ...

Posted by schilly on Sat, 27 Jun 2020 08:24:42 +0200