LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN # 本地环回口 inet 127.0.0.1/8 scope host lo 2: ens33: mtu 1500 qdisc pfifo_fast state UP #k8s服务器本身用于通信的网口 inet 1500 qdisc noqueue state DOWN #docker默认的容器网络 inet 172.17.0.1/16 brd 172.17.255.255 #如果不使用docker，则没有此接 口 5: kube-ipvs0: mtu 1500 qdisc noop state DOWN #Service forever preferred_l� forever 6: flannel.1: mtu 1450 qdisc noqueue state UNKNOWN #vxlan设备 inet 10.244.0.0/32 brd 10.244.0.0 scope global flannel.1 7: cni0:

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configuration files 8. This also includes pre-production and build processes 9. Tools iv. 2014 State of DevOps Report – use of version control by Ops was the highest predictor of both IT performance continuous integration practices 1. Comprehensive and reliable automated tests to validate deployable state 2. Culture that “stops the entire production line” when validation tests fail 3. Developers working evaluation m. PULL OUR ANDON CORD WHEN THE DEPLOYMENT PIPELINE BREAKS i. Keep the build in a green state ii. When a change causes the build or automated tests to fail: 1. No new work is allowed to enter

the answer: Scrum. Let’s start a few thousand miles west of Washington, D.C., in the Washington state capital, Olympia. There, the past two administrations—first a Republican, now a Democrat —have embraced current governor, Jay Inslee, said in a campaign interview in the fall of 2012, “A lot of what the state does is make decisions. We want to find a way to leave less paper on a desk.”1 The governor’s plan they want to use Scrum. And, in fact, they are. The office of the Chief Information Officer of the State of Washington is responsible not only for what technology is purchased, but how it’s made. The

Technique? Pomodoro is a technique for increasing productivity and focus by getting yourself into a state a Flow. Basic requirements ① A kitchen timer ② A short to-do list [2] ③ A little discipline [2] of "optimal experience" have revealed that what makes an experience genuinely satisfying is a state of consciousness called flow. During flow, people typically experience deep enjoyment, creativity edition of his groundbreaking classic work, Csikszentmihalyi demonstrates the ways this positive state can be controlled, not just left to chance. Flow: The Psychology of Optimal Experience teaches

a hat, without requiring time-sucking configuration changes or complicated processes.” iv. 2015 State of DevOps Report – high performers had MTTR 168x faster than low performers b. CREATE OUR CENTRALIZED Toyota Production System – “people closest to a problem typically know the most about it.” iii. 2014 State of DevOps Report – high performing organizations relied more on peer review and less on external

become so fragile, delivery grinds to a halt g. INCREASE THE VISIBILITY OF WORK i. Keep the current state visible and up to date ii. Use tools to reinforce desired behavior - anthropologists describe tools

favored buying a product off the shelf. But when we view IT capabilities as being in a continuous state of transformation, when we see them as tightly integrated into an EA, and when we realize that the

设置窗口大小，宽x高 combo_list = ["a", "b", "c", "d", "e"] combobox = ttk.Combobox(window, values=combo_list, state="normal") combobox.pack() print("current1: ", combobox.current()) # 当前未选中任何条 目，结果为-1 combobox.current(0)