| ssh -M -S /tmp/db-socket -fnNT -L 3306:[RDS_ENDPOINT]:3306 [USER]@[BASTION_HOST] |
| #!/bin/bash | |
| sudo su | |
| yum update -y | |
| yum install -y httpd | |
| amazon-linux-extras install java-openjdk11 | |
| systemctl start httpd.service | |
| systemctl enable httpd.service | |
| EC2_AVAIL_ZONE=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone) | |
| echo "<h1>Hello World from $(hostname -f) in AZ $EC2_AVAIL_ZONE </h1>" > /var/www/html/index.html |
Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma
You can get the list of supported formats with:
ffmpeg -formats
Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:
| Enable telnet: http://192.168.1.1/debug.htm | |
| Telnet to device | |
| nvram show | grep auto_* | |
| nvram set orbi_auto_upgrade=0 | |
| nvram set auto_check_for_upgrade=0 | |
| nvram set auto_update=0 | |
| nvram commit |
| # start servers | |
| zookeeper-server-start /usr/local/etc/kafka/zookeeper.properties | |
| kafka-server-start /usr/local/etc/kafka/server.properties | |
| # create topic producer | |
| kafka-console-producer --broker-list localhost:9092 --topic hello | |
| # create topic producer with group | |
| kafka-console-producer --broker-list localhost:9092 --topic hello --group clienta |
| Restart into recovery mode | |
| Terminal: csrutil disable | |
| Restart into normal user mode | |
| Terminal: sudo mount -uw / | |
| Terminal: sudo mkdir /System/Library/LaunchAgentsDisabled; sudo mkdir /System/Library/LaunchDaemonsDisabled; sudo mv /System/Library/LaunchAgents/com.apple.ManagedClientAgent.agent.plist /System/Library/LaunchAgentsDisabled; sudo mv /System/Library/LaunchAgents/com.apple.ManagedClientAgent.enrollagent.plist /System/Library/LaunchAgentsDisabled; sudo mv /System/Library/LaunchDaemons/com.apple.ManagedClient.cloudconfigurationd.plist /System/Library/LaunchDaemonsDisabled; sudo mv /System/Library/LaunchDaemons/com.apple.ManagedClient.enroll.plist /System/Library/LaunchDaemonsDisabled; sudo mv /System/Library/LaunchDaemons/com.apple.ManagedClient.plist /System/Library/LaunchDaemonsDisabled; sudo mv /System/Library/LaunchDaemons/com.apple.ManagedClient.startup.plist /System/Library/LaunchDaemonsDisabled | |
| Restart into recovery mode | |
| Terminal: csrutil enable |
| # create Elastic Compute Cloud (EC2) instance in preferred Virtual Private Cloud (VPC) and Subnet | |
| # create and attach an Internet Gateway to the VPC (IGW) | |
| # configure Route Table to route external traffic to IGW | |
| # configure Security Group and NACL rules to allow traffic on port 25565 | |
| # install Java | |
| sudo amazon-linux-extras install java-openjdk11 | |
| # download Minecraft Server - get the latest URL you would like | |
| wget https://launcher.mojang.com/v1/objects/bb2b6b1aefcd70dfd1892149ac3a215f6c636b07/server.jar |
| sudo yum install -y docker | |
| sudo usermod -a -G docker ec2-user | |
| sudo service docker start |
| FROM openjdk:13-alpine | |
| WORKDIR /usr/src/myapp | |
| COPY target/demo-*.jar /usr/src/myapp/demo.jar | |
| RUN chmod 777 /usr/src/myapp/demo.jar | |
| CMD ["java", "-jar", "/usr/src/myapp/demo.jar"] | |
| EXPOSE 8080 |
| FROM node:lts-stretch-slim | |
| WORKDIR /usr/src/app | |
| COPY package*.json ./ | |
| RUN npm ci --only=production | |
| COPY src . | |
| CMD [ "node", "app.js" ] | |
| EXPOSE 8080 |