Preparing for a DevOps interview or SRE interview in 2026? I'm Alex, a DevOps/Software Engineer who interviewed at 50+ companies including Google, Amazon, Apple, Meta, and other FAANG/Big Tech firms, for DevOps Engineer and Site Reliability Engineer (SRE) roles. I collected every hands-on interview question I was asked, plus questions sourced from Glassdoor, Blind, and engineering blogs. This repo contains 115 real DevOps interview questions with solutions covering Kubernetes, Docker, Linux, CI/CD (GitHub Actions), Networking, Git, Security, and AWS Cloud, each with a step-by-step video walkthrough showing exactly how to solve it.

Regardless if you prepare for junior DevOps interview, senior SRE technical screen, or a platform engineer role - these questions will substantially increase your chanses to pass. Star the repo if it helps, it helps others discover it too.

Hands-on questions from Google, Amazon, Meta, Apple, and 50+ tech companies, with video solutions.

If you find this useful, please ⭐ star this repository as it helps others to discover it!

How questions were sourced -> read here

Red Hat (6)	Accenture (5)	Adobe (5)	CrowdStrike (3)	Datadog (3)	EPAM (4)
GitHub (3)	GitLab (3)	Google (3)	Microsoft (3)	Palantir (3)	SAP (3)
Zscaler (3)	Airbnb (2)	Apple (2)	Bloomberg (2)	Booking.com (2)	Cloudflare (2)
DeliveryHero (2)	GoDaddy (2)	IBM (2)	Netflix (2)	NVIDIA (2)	Reddit (2)
Splunk (2)	Spotify (2)	X (2)	Amazon (3)	Anthropic (1)	Autodesk (2)
CapitalOne (1)	Coinbase (2)	DeutscheBank (1)	Dropbox (1)	Ebay (1)	Elastic (1)
Etsy (1)	Expedia (1)	HashiCorp (1)	JPMorgan (1)	Kayak (2)	Kraken (1)
Meta (1)	Nintendo (1)	Okta (1)	Plus500 (1)	PWC (1)	Revolut (1)
Robinhood (1)	Samsung (1)	Shopify (1)	Slack (1)	Snap (1)	Stripe (1)
TCS (1)	Twilio (1)	Uber (1)	Ubisoft (1)	UBS (1)	Yelp (1)
Activision Blizzard (1)	Twitch (1)	Lyft (1)

#	Question	Category	Company	Difficulty	Video	Solve Online
1	Create IAM Role for EC2 with Full IAM Access	☁️ Cloud		Entry	Video	Solve
2	Audit and Enforce Least-Privilege IAM Permissions	☁️ Cloud		Entry	Video	Solve
3	Create AWS IAM Admin User with Group and Policy	☁️ Cloud		Entry	Video	Solve
4	Design Egress Only VPC with NAT	☁️ Cloud		Mid	Video	Solve
5	Create Route 53 Hosted Zone and DNS Records	☁️ Cloud		Entry	Video	Solve
6	Create Route 53 Health Checks	☁️ Cloud		Entry	Video	Solve
7	Create a Hello World Lambda Function	☁️ Cloud		Entry	Video	Solve
8	Launch an EC2 Web Server Instance	☁️ Cloud		Entry	Video	Solve
9	Deploy an Internal Web App with VPC, EC2, ALB, and Route 53	☁️ Cloud		Senior	-	Solve
10	Build a Serverless API with Lambda, API Gateway, and DynamoDB	☁️ Cloud		Senior	Video	Solve
11	Managing High I/O Processes	🐧 Linux		Entry	Video	Solve
12	Analyzing Log Partition Usage	🐧 Linux		Mid	Video	Solve
13	Using Unmounted Partitions	🐧 Linux		Mid	Video	Solve
14	Tracing Log File Writes	🐧 Linux		Entry	Video	Solve
15	Nginx Rate Limit Calculation	🌐 Networking		Senior	Video	Solve
16	Debug SSH Lockout	🐧 Linux		Mid	Video	Solve
17	Validating Network Routes	🌐 Networking		Mid	Video	Solve
18	Validating DNS Consistency	🌐 Networking		Entry	Video	Solve
19	Network Packet Loss Diagnosis	🌐 Networking		Entry	Video	Solve
20	Network Port Service Cleanup	🌐 Networking		Entry	Video	Solve
21	Temporary Route Configuration	🌐 Networking		Entry	Video	Solve
22	Inspecting HTTP Traffic Flow	🌐 Networking		Mid	Video	Solve
23	Trace Process Service Ownership	🐧 Linux		Senior	Video	Solve
24	Manage Service Failure Recovery	🐧 Linux		Senior	Video	Solve
25	Update Cloud Configs	🐧 Linux		Mid	Video	Solve
26	Handling Large Log Archives	🐧 Linux		Entry	Video	Solve
27	Monitoring Process Ownership	🐧 Linux		Mid	Video	Solve
28	Uptime and Load Average Audit	🐧 Linux		Entry	Video	Solve
29	Port Conflict Resolution	🐧 Linux		Entry	Video	Solve
30	Diagnose Nginx CPU Bottleneck	🐧 Linux		Entry	Video	Solve
31	CPU Resource Management Priority	🐧 Linux		Entry	Video	Solve
32	Track Forking Process Hierarchies	🐧 Linux		Entry	Video	Solve
33	Discover Unexpected Background Jobs	🐧 Linux		Mid		Solve
34	Rapid Disk Growth on /var	🐧 Linux		Senior	Video	Solve
35	Purge Empty Folders	🐧 Linux		Entry	Video	Solve
36	Log File Volume Assessment	🐧 Linux		Entry	Video	Solve
37	Recursive Keyword Finder	🐧 Linux		Entry	Video	Solve
38	Recursive Database File Backup	🐧 Linux		Entry	Video	Solve
39	Sorted Log Aggregation	🐧 Linux		Entry	Video	Solve
40	Automated Archive and Retention	🐧 Linux		Senior	Video	Solve
41	Real-Time Log Timestamping	🐧 Linux		Mid	Video	Solve
42	Upload-Safe File Partitioning	🐧 Linux		Mid	Video	Solve
43	Network Socket Usage Analysis	🌐 Networking		Entry	Video	Solve
44	Forward Traffic Between Ports	🌐 Networking		Mid	Video	Solve
45	Fix Inode Exhaustion Issue	🐧 Linux		Mid	Video	Solve
46	Detect Memory Leak by Monitoring RSS	🐧 Linux		Mid	Video	Solve
47	Fix HTTPS Certificate Error	🔒 Security		Mid	Video	Solve
48	Throttle High I/O Process	🐧 Linux		Entry	Video	Solve
49	Fix Port Exhaustion for High-Speed Scraper	🌐 Networking		Mid	Video	Solve
50	Optimize Dockerfile	🐳 Docker		Mid		Solve
51	Insecure Container with Root User	🐳 Docker		Mid	Video	Solve
52	Macvlan Network Configuration Fix	🐳 Docker		Senior	Video	Solve
53	Container CPU Limit Configuration	🐳 Docker		Entry	Video	Solve
54	Memory Limit and OOM Killer	🐳 Docker		Mid	Video	Solve
55	Graceful Shutdown with SIGTERM Handling	🐳 Docker		Mid	Video	Solve
56	Log Rotation Size Limit Configuration	🐳 Docker		Entry	Video	Solve
57	Docker Multi-Architecture Image	🐳 Docker		Entry	Video	Solve
58	Docker Binary Architecture	🐳 Docker		Entry	Video	Solve
59	Docker Storage Driver Performance	🐳 Docker		Mid	Video	Solve
60	Docker Volume Cross-Platform Consistency	🐳 Docker		Entry	Video	Solve
61	Rebase Feature Branch onto Correct Base	🔀 Git		Entry	Video	Solve
62	Restore File to Previous Version	🔀 Git		Mid	Video	Solve
63	View Unique Commits Branch vs Origin	🔀 Git		Entry	Video	Solve
64	Create an Annotated Tag	🔀 Git		Mid	Video	Solve
65	Update Submodule to Latest Commit	🔀 Git		Mid	Video	Solve
66	Convert Remote from HTTPS to SSH	🔀 Git		Entry	Video	Solve
67	Rebase Feature Branch	🔀 Git		Entry	Video	Solve
68	Stash Work, Fix Bug, Restore and Update	🔀 Git		Mid	Video	Solve
69	Apply Specific Stash from Multiple Stashes	🔀 Git		Entry	Video	Solve
70	Remove Last Commit and Discard Changes	🔀 Git		Entry	Video	Solve
71	Shallow Clone Limited to Latest Commit	🔀 Git		Entry	Video	Solve
72	Checkout Single File from Another Branch	🔀 Git		Entry	Video	Solve
73	Remove File from Entire Git History	🔀 Git		Mid	Video	Solve
74	Rebase Branch with Reversed Commit Order	🔀 Git		Entry	Video	Solve
75	Merge Repositories Preserving Both Histories	🔀 Git		Mid	Video	Solve
76	Fix Repository with Unrelated Histories	🔀 Git		Mid	Video	Solve
77	Stage Only Specific Files	🔀 Git		Entry	Video	Solve
78	Undo Commits but Keep Changes	🔀 Git		Entry	Video	Solve
79	Stash Work, Fix Bug, Resume	🔀 Git		Mid		Solve
80	Merge Feature Branch and Delete	🔀 Git		Entry	Video	Solve
81	Cherry-Pick Specific Commit	🔀 Git		Entry	Video	Solve
82	Recover Lost Commits from Detached HEAD	🔀 Git		Mid	Video	Solve
83	Crashing Misconfigured Pod	☸️ Kubernetes		Mid	Video	Solve
84	Image Pull BackOff and Secrets	☸️ Kubernetes		Mid	Video	Solve
85	CronJob Schedule Misconfiguration	☸️ Kubernetes		Mid	Video	Solve
86	Create Namespace	☸️ Kubernetes		Entry		Solve
87	Pod with Readiness Probe	☸️ Kubernetes		Entry		Solve
88	Pod Viewer Access	☸️ Kubernetes		Entry		Solve
89	Multi-Key ConfigMap	☸️ Kubernetes		Entry		Solve
90	Pod with Resource Limits	☸️ Kubernetes		Entry		Solve
91	Traffic Splitting with Native Kubernetes	☸️ Kubernetes		Mid	Video	Solve
92	ConfigMap Reload with Sidecar	☸️ Kubernetes		Mid	Video	Solve
93	Job Failure	☸️ Kubernetes		Entry		Solve
94	Dynamic Volume Expansion	☸️ Kubernetes		Entry	Video	Solve
95	Multi-Tenant Namespace Isolation	☸️ Kubernetes		Mid		Solve
96	Implement StatefulSet with Stable DNS	☸️ Kubernetes		Mid	Video	Solve
97	DNS-Based Service Discovery	☸️ Kubernetes		Mid		Solve
98	Custom Resource Definition Setup	☸️ Kubernetes		Mid	Video	Solve
99	CRD Schema Validation	☸️ Kubernetes		Senior	Video	Solve
100	StorageClass and PVC Expansion	☸️ Kubernetes		Mid	Video	Solve
101	OOMKilled Pod Analysis & Fix	☸️ Kubernetes		Mid	Video	Solve
102	Kubernetes Failing Job	☸️ Kubernetes		Mid		Solve
103	Secure Internal Service Communication	☸️ Kubernetes		Mid	Video	Solve
104	Docker Image Tagging with Commit SHA	🔄 CI/CD		Mid		Solve
105	Automated Pull Request Testing with Artifacts	🔄 CI/CD		Mid		Solve
106	Matrix Build Strategy	🔄 CI/CD		Mid		Solve
107	Multi-Job Workflow with Artifact Handoff	🔄 CI/CD		Mid		Solve
108	Path-Based Workflow Execution	🔄 CI/CD		Mid		Solve
109	Reusable Workflow with Input Parameters	🔄 CI/CD		Mid		Solve
110	Timeout Enforcement	🔄 CI/CD		Entry		Solve
111	Job Dependency Enforcement	🔄 CI/CD		Mid		Solve
112	GitHub Actions Retry Logic	🔄 CI/CD		Entry		Solve
113	Environment-Gated Deployment	🔄 CI/CD		Entry		Solve
114	Automated Rollback on Deployment Failure	🔄 CI/CD		Mid		Solve
115	Automated GitOps Promotion	🔄 CI/CD		Mid		Solve

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