How to stop and remove all Docker containers.
Stop all containers
$ docker kill $(docker ps -q) |
Remove all containers
$ docker rm $(docker ps -a -q) |
Delete all docker images
$ docker rmi $(docker images -q) |
stop
Migrate VM to Other Network
Here’s how to move a VM to another network.
Stop the VM.
gcloud compute instances stop server-name \ --zone=us-central1-c \ --project project-id |
Migrate the VM. Use self link for network and subnetwork.
gcloud compute instances network-interfaces update server-name \ --zone=us-central1-c \ --network-interface=nic0 \ --network=your-network \ --subnetwork=your-sub-network \ --project project-id |
Start the VM.
gcloud compute instances start server-name \ --zone=us-central1-c \ --project project-id |
GCP Rename VM
There’s a new beta command to rename a GCP VM.
You must stop instance first.
gcloud compute instances stop server-name \ --zone us-central1-c \ --project your-project-id |
Rename the instance.
gcloud beta compute instances set-name old-server-name \ --new-name=new-server-name \ --zone us-central1-c \ --project your-project-id |
Start the instance.
gcloud compute instances start server-name \ --zone us-central1-c \ --project your-project-id |
Login.
gcloud compute ssh server-name \ --zone us-central1-c \ --project your-project-id \ --internal-ip & |
Tomcat Install
Tomcat requires JRE.
wget jre-8uversion-linux-x64.tar.gz # or apt-get install default-jdk |
Install Tomcat 8 on Linux.
wget https://mirrors.gigenet.com/apache/tomcat/tomcat-8/v8.5.66/bin/apache-tomcat-8.5.66.tar.gz tar zxpvf apache-tomcat-8.5.66.tar.gz cd /opt/tomcat/apache-tomcat-8.5.66/bin/ ./startup.sh |
Status|Start|Stop|Restart Tomcat.
systemctl status tomcat8 systemctl start tomcat8 systemctl stop tomcat8 systemctl restart tomcat8 |
HTTPD on Redhat & Centos
Here are the commands to start, stop, enable and get the status of Apache on RHEL and CentOS.
systemctl enable httpd # enable on bootup systemctl status httpd # get status systemctl start httpd # start systemctl stop httpd # stop systemctl restart httpd # restart |
Run Docker Compose
Here’s how to run docker-compose. I have an Icecast docker-compose.yml file. Icecast is an audio streaming server.
version: "2" services: icecast: image: moul/icecast environment: - ICECAST_SOURCE_PASSWORD=secret - ICECAST_ADMIN_PASSWORD=secret - ICECAST_PASSWORD=secret - ICECAST_RELAY_PASSWORD=secret ports: - "8000:8000" restart: always |
To run Icecast in a container , I run docker-compose in the background.
docker-compose up -d |
Check to see if Icecast is running on your browser.
http://localhost:8000 |
To stop the Icecast container, I simply stop the docker-compose.
docker-compose stop |
Here are the other docker commands you can run.
docker images docker ps docker-compose ps |
Wowza 4.8.0 Scripts
Here are the start and stop scripts for the lastest Wowza version 4.8.0.
Start scripts
sudo service WowzaStreamingEngine start # or /etc/init.d/WowzaStreamingEngine start |
Stop scripts
sudo service WowzaStreamingEngine stop # or /etc/init.d/WowzaStreamingEngine stop |
GCP Start Multiple Instances
Here’s how to start multiple instances using Bash and Google SDK.
#!/bin/bash while IFS=', ' read -r a b c; do instance="${a//[[:blank:]]/}" project="${b//[[:blank:]]/}" zone="${c//[[:blank:]]/}" echo "Starting $instance ...." gcloud compute instances start $instance \ --zone $zone --project $project --async done < instance-list.txt |
Instances are read from an external file. The file format is displayed below.
server1,project1,us-central1-a server2,project2,us-central1-b server3,project3,us-central1-c |
To stop multiple instances, replace “start” with “stop.”