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| Step by step how to pull a private DockerHub hosted image in a Kubernetes YML. | |
| export DOCKER_REGISTRY_SERVER=https://index.docker.io/v1/ | |
| export DOCKER_USER=Type your dockerhub username, same as when you `docker login` | |
| export DOCKER_EMAIL=Type your dockerhub email, same as when you `docker login` | |
| export DOCKER_PASSWORD=Type your dockerhub pw, same as when you `docker login` | |
| kubectl create secret docker-registry myregistrykey \ | |
| --docker-server=$DOCKER_REGISTRY_SERVER \ | |
| --docker-username=$DOCKER_USER \ |
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| export PS1="\[\e[33m\]\u\[\e[m\]@\[\e[31m\]\h\[\e[m\][\[\e[36m\]\w\[\e[m\]]:/ " | |
| alias grep='grep -n --color' | |
| ============================================================================================================ | |
| put after alias | |
| ============================================================================================================ | |
| # get current branch in git repo | |
| function parse_git_branch() { | |
| BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'` | |
| if [ ! "${BRANCH}" == "" ] | |
| then |
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| haproxy_exporter --haproxy.scrape-uri="http://user:password@localhost:8000/haproxy_stats;csv" & |
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| docker run -d --name nginx -p 80:80 nginx --запуск nginx | |
| docker run -dit --name httpd -p 80:80 httpd --запуска apache2 | |
| docker commit a092db630f2c - сохранение образа ОС | |
| docker pull ubuntu:18.04 - закачка Ubuntu 18.04 | |
| docker ps - список запущенных контейнеров | |
| docker run -ti ubuntu:18.04 - зайти в запущенный контейнер | |
| docker run -d -P --name web --link php:latest httpd:latest | |
| docker run -d -p 9000:9000 -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer | |
| docker run -d -p 9000:9000 -v /var/run/docker.sock:/var/run/docker.sock portainer/portainer --admin-password '$2y$05$6jklXGSkfeCBpDyEhuExSOOYUHTj6uIEpP9Reatm4ztiRmRPKZ3TC' |
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| helm create mychart - создание шаблона mychart | |
| helm del --purge mychart - удаление чарта | |
| helm install --name grafana-chart /home/ubuntu/grafana-chart/ - установка чарта из диска | |
| helm lint /home/ubuntu/mychart - проверка чарта на ошибки |
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| ==========================================================fluxcd================================= | |
| flux reconcile kustomization flux-system | |
| ================================================================================================= | |
| find /etc/origin/node/certificates -name '*.pem' -exec openssl x509 -text -noout -in {} \; | grep -A2 Validity - проверка сертификатов | |
| find /space/nfs-ocp-test/fserver-files/secure -type f -mtime +30 -exec ls -l >> /home/ls.log {} \; - запись списка файлов старше 30 дней в файл ls.log | |
| ps -eo pid,ppid,cmd,%mem,%cpu --=-%mem | head - показать топ процессы по цпу и озу | |
| ps -eo pcpu,pid,user,args | sort -k 1 -r | head - показать топ процессы по цпу | |
| find . -size 0 -type f -ls - показать файлы с размером 0 байт | |
| for i in {1..10000}; do touch "myfile$i"; done - loop command 1000 times |
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| oc import-image python:3.7-alpine --from=python:3.7-alpine --confirm - импорт образа в локальный image stream |
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| ========================================gluster-FS | |
| apiVersion: v1 | |
| kind: Endpoints | |
| metadata: | |
| annotations: | |
| name: glusterfs-cluster | |
| namespace: test | |
| subsets: | |
| - addresses: | |
| - ip: 10.204.11.21 |
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| livenessProbe: | |
| failureThreshold: 10 | |
| initialDelaySeconds: 30 | |
| periodSeconds: 30 | |
| successThreshold: 1 | |
| tcpSocket: | |
| port: 8080 | |
| timeoutSeconds: 3 | |
| name: default | |
| readinessProbe: |
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| sestatus -b - показать контексты | |
| setsebool -P haproxy_connect_any=1 | |
| setsebool -P httpd_can_network_connect 1 - enable NGINX | |
| sudo cat /var/log/audit/audit.log | grep nginx | grep denied - troubleshooting log SELinux |