naveenkashyapdv

# knife cheat

## Search Examples

	knife search "name:ip*" 
	knife search "platform:ubuntu*"
	knife search "platform:*" -a macaddress
	knife search "platform:ubuntu*" -a uptime
	knife search "platform:ubuntu*" -a virtualization.system
	knife search "platform:ubuntu*" -a network.default_gateway

naveenkashyapdv

// Check if a slave has < 10 GB of free space, wipe out workspaces if it does

import hudson.model.*;
import hudson.util.*;
import jenkins.model.*;
import hudson.FilePath.FileCallable;
import hudson.slaves.OfflineCause;
import hudson.node_monitors.*;

naveenkashyapdv

// Check if a slave has < 10 GB of free space, wipe out workspaces if it does

import hudson.model.*;
import hudson.util.*;
import jenkins.model.*;
import hudson.FilePath.FileCallable;
import hudson.slaves.OfflineCause;
import hudson.node_monitors.*;
import org.jenkinsci.plugins.workflow.job.WorkflowRun
import org.jenkinsci.plugins.workflow.flow.FlowExecution;

naveenkashyapdv

chef-server-ctl stop
chef-server-ctl kill
chef-server-ctl cleanse
chef-server-ctl uninstall
pkill -9 -u opscode
pkill -9 -f postgres
pkill -9 -f beam
pkill -9 -f /opt/chef
rm -rf /etc/opscode /etc/chef /opt/opscode /opt/chef /var/chef
rm -rf /etc/chef-server /etc/chef /opt/chef-server /opt/chef /root/.chef /var/opt/chef-server