Все темы с фильтром по уровням. Junior, middle, senior — отметишь что знаешь, увидишь куда расти.
ls -la
cd /var/log
tree -L 2
chmod +x script.sh
chown user:group file
ps aux
kill -9 PID
kill -15 PID
systemctl status nginx
systemctl enable --now app
journalctl -u app -f
ssh user@host
ssh-keygen -t ed25519
ssh -L 8080:localhost:80 serve...
useradd -m dev
usermod -aG docker dev
visudo
journalctl -u nginx -f
journalctl --since '1 hour ago...
tail -f /var/log/syslog
for f in *.log; do echo $f; do...
grep -r 'ERROR' /var/log/
awk '{print $1}' access.log | ...
ip addr show
ss -tlnp
dig google.com
crontab -l
systemctl list-timers
systemctl cat backup.timer
lsblk
df -h
du -sh /var/*
top
htop
vmstat 1
tcpdump -i eth0
netstat -an
nslookup example.com
cat /etc/resolv.conf
curl -v https://example.com
openssl s_client -connect host...
lsof -i :8080
nc -zv host 443
curl -v https://api.example.co...
curl -w '%{time_total}'
curl -H 'Authorization: Bearer...
iptables -L -n
ufw allow 22/tcp
ufw status
ip route
iptables -t nat -L
traceroute example.com
nginx -t
haproxy -c -f haproxy.cfg
openssl x509 -in cert.pem -tex...
openssl s_client -showcerts ho...
nginx -s reload
caddy reload --config Caddyfil...
git init
git add .
git commit -m 'feat: add login...
git status
git restore --staged file
git rm --cached secrets.env
git branch feature/auth
git switch feature/auth
git branch -d old
git merge main
git rebase main
git rebase -i HEAD~3
git mergetool
git merge --abort
git log --oneline --graph
git reflog
git bisect start
git revert HEAD
git reset --soft HEAD~1
git restore file
git cherry-pick abc123
git stash
git stash pop
pre-commit install
git commit -m 'feat: ...'
docker run -d nginx
docker ps
docker logs container_id
docker pull nginx
docker run -it ubuntu bash
docker exec -it app sh
docker build -t myapp .
docker run myapp
docker history myapp
FROM golang AS build
RUN go build -o app
FROM alpine
docker volume create appdata
docker run -v appdata:/data ng...
docker run -v $PWD:/app nginx
docker run -e DB_HOST=db app
docker run --env-file .env app
docker network ls
docker network create app-net
docker run --network app-net n...
docker compose up -d
docker compose logs -f
docker compose down
docker login registry.gitlab.c...
docker push myapp:1.0
docker pull app@sha256:...
dive myapp:latest
docker image ls
docker run --user 1000:1000 al...
docker run --security-opt=no-n...
stages: [build, test, deploy]
script: docker build -t app .
on: push
uses: actions/checkout@v4
cache: { paths: [node_modules/...
artifacts: { paths: [build/] }
kubectl get pods
kubectl describe pod app
kubectl logs -f app
kubectl apply -f deployment.ya...
kubectl diff -f deployment.yam...
kubectl create configmap app-c...
kubectl create secret generic ...
kubectl get svc
kubectl get ingress
kubectl get pv
kubectl get pvc
kubectl get storageclass
kubectl get sa
kubectl auth can-i get pods
kubectl get events --sort-by=....
kubectl describe pod failing
kubectl autoscale deployment a...
kubectl get crd
kubectl api-resources
helm version
helm search repo nginx
helm create myapp
helm lint ./chart
helm template ./chart
helm install app ./chart -f va...
helm install app ./chart --set...
helm install app ./chart
helm upgrade app ./chart
helm rollback app 1
helm dependency update
helm dependency build
helmfile apply
helmfile diff
argocd app create myapp --repo...
argocd app sync myapp
argocd app set myapp --sync-po...
argocd app sync myapp --prune
kubectl apply -f applicationse...
kubectl apply -f rollout.yaml
kubectl argo rollouts get roll...
ansible-playbook site.yml
ansible all -m ping
ansible-playbook site.yml --ch...
ansible-inventory --list
ansible-inventory --graph
ansible-doc -l
ansible-doc file
ansible-galaxy init role_name
ansible-galaxy collection inst...
ansible-vault encrypt secrets....
ansible-vault encrypt_string '...
terraform init
terraform plan
terraform apply
terraform apply -var='region=r...
terraform output
terraform state list
terraform import yandex_comput...
module "vpc" { source = "./mod...
terraform workspace new prod
terraform workspace select dev
terraform plan -out=plan.tfpla...
terraform apply plan.tfplan
tail -f /var/log/app.log
promtail --config.file=promtai...
curl localhost:9090/metrics
curl localhost:9100/metrics
/etc/prometheus/prometheus.yml
rate(http_requests_total[5m])
histogram_quantile(0.95, ...)
promtool check rules rules.yml
amtool check-config alertmanag...
amtool silence add alertname=H...
kafka-topics.sh --list
kafka-console-producer.sh --to...
kafka-consumer-groups.sh --lis...
kafka-consumer-groups.sh --des...
kafka-topics.sh --describe --t...
kafka-reassign-partitions.sh ....
aws s3 cp file s3://bucket/
aws s3 ls s3://bucket
grype nginx:latest
trivy image nginx:latest
docker run --privileged -it al...
mount /dev/sda1 /mnt/host
vault kv put secret/app passwo...
sops -e secrets.yaml
kubectl describe networkpolicy...
cosign sign image:tag
cosign verify image:tag
falco --list
auditctl -l
vault status
vault kv get secret/app
vault auth enable kubernetes
vault write auth/approle/role/...
vault read database/creds/read...
vault lease revoke <id>
vault write pki/root/generate/...
vault write pki/issue/role com...
vault operator init
vault operator unseal
istioctl install
kubectl label namespace defaul...
kubectl apply -f peerauthentic...
kubectl apply -f virtualservic...
istioctl analyze
istioctl dashboard kiali
istioctl dashboard jaeger
kubectl apply -f pod-delete-ch...
chaos run experiment.yaml
otel-collector --config collec...
argocd appset create applicati...
sysctl -a | grep tcp
sysctl -w net.core.somaxconn=6...
