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LEDE (Linux Embedded Development Environment) - first steps

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First steps with LEDE - Linux Embedded Development Environment. Setting MAC address cloning for WAN network interface. config file: /etc/config/network config device 'wan_dev'     option name 'eth0.2'     option macaddr 'XX:XX:XX:XX:XX:XX' Setting port forwarding (Destination NAT). config file: /etc/config/firewall config redirect     option target 'DNAT'     option src 'wan'    … Continue reading LEDE (Linux Embedded Development Environment) - first steps →

Using WordPress CLI

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Using WordPress CLI for managing WordPress instance. Download WordPress CLI: curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar Check it: php wp-cli.phar --info Make it executable: chmod +x wp-cli.phar sudo mv wp-cli.phar /usr/local/bin/wp Check it: wp --info Update WP CLI tool: wp cli update Upgrade WordPress using WP CLI: sudo -u apache /usr/local/bin/wp core update --path=/path/to/wordpress/ List WordPress plugins: sudo… Continue reading Using WordPress CLI →

Fedora CPU frequency scaling

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At first install kernel-tools (provides cpupower tool): dnf install kernel-tools Get current CPU governor: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor List available CPU governors: cpupower frequency-info --governors Get current CPU frequency: cpupower frequency-info or lscpu | grep "CPU MHz" Set performance governor: cpupower frequency-set --governor performance Set powersave governor: cpupower frequency-set --governor powersave Kernel documentation: CPUFreq Governors

Using AWS EC2 CLI - part 2

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Using AWS EC2 CLI - part 2 Script for checking VMs status: https://github.com/openterprise/scripts/blob/master/aws-status.sh Example user data file script: https://github.com/openterprise/scripts/blob/master/aws-user-data.sh #create VM centos aws ec2 run-instances --image-id ami-18f8df7d --security-group-ids sg-ID --subnet-id subnet-ID --count 1 --instance-type t2.micro --key-name KEY-NAME --user-data file://aws-user-data.sh --block-device-mappings 'DeviceName=/dev/sda1,Ebs={VolumeSize=10,DeleteOnTermination=false}' --query 'Instances[0].InstanceId' #stop ALL instances (only those are running) aws ec2 stop-instances --instance-ids `aws… Continue reading Using AWS EC2 CLI - part 2 →