Gabor Maghera gmaghera

Tabs and Windows

Function	Shortcut
New Tab	`⌘` + `T`
Close Tab or Window	`⌘` + `W` (same as many mac apps)
Go to Tab	`⌘` + `Number Key` (ie: `⌘2` is 2nd tab)
Go to Split Pane by Direction	`⌘` + `Option` + `Arrow Key`
Cycle iTerm Windows	`⌘` + `backtick` (true of all mac apps and works with desktops/mission control)

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

Two type of DNS network activities:
1. lookup: DNS client queries a DNS server for information
2. zone transfers: DNS server (the secondary server) requests from another DNS server (the primary server)
DNS lookups are usualy executed usin UDP. (If some of data is lost in transit by UDP, the lookup will be redone using TCP)
DNS sever uses well-known port 53 (UDP/TCP)
Proxying characteristics of DNS:

Commands belonging to the Rancher webinar Troubleshooting Kubernetes

Check etcd members

docker exec etcd etcdctl member list

Download the Dockerfile

wget https://gist.githubusercontent.com/nitrocode/62505b0623cd9bf27e4b39a3f98412f5/raw/Dockerfile

	[merge]
	keepBackup = false
	tool = custom

	[mergetool "custom"]
	cmd = /Applications/p4merge.app/Contents/Resources/launchp4merge "$PWD/$BASE" "$PWD/$REMOTE" "$PWD/$LOCAL" "$PWD/$MERGED"
	keepTemporaries = false
	trustExitCode = false
	keepBackup = false

	————————————————————————————————————————————————————————————————————————————————————————————————————
	BBEdit / BBEdit-Lite / TextWrangler Regular Expression Guide Modified: 2018/08/10 01:19
	————————————————————————————————————————————————————————————————————————————————————————————————————

	NOTES:

	The PCRE engine (Perl Compatible Regular Expressions) is what BBEdit and TextWrangler use.

	Items I'm unsure of are marked '# PCRE?'. The list while fairly comprehensive is not complete.

	FROM mirror-hub.docker.tech.lastmile.com/alpine:3.5

	RUN apk add --no-cache curl jq

	RUN curl -o /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/v1.5.3/bin/linux/amd64/kubectl && chmod +x /usr/local/bin/kubectl

	COPY rmpeers /

	CMD ["/rmpeers"]