VirtualTam's bookmarks

61. Kubernetes' Complexity | Jeff Geerling 2018-10-30

    tags: configuration-management/ansible, distributed-system/cluster, linux/container/docker, linux/container/kubernetes, raspberry-pi

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62. Redis - FAQ - Background saving fails with a fork() error under Linux even if I have a lot of free RAM! 2018-10-29

    tags: database/redis, hardware/ram, linux/container/docker, memory

    [ permalink ]

    • https://github.com/docker-library/redis/issues/159
    • https://gist.github.com/kapkaev/4619127
    • https://stackoverflow.com/questions/19581059/misconf-redis-is-configured-to-save-rdb-snapshots
    • https://stackoverflow.com/questions/42502636/unable-to-save-in-background-redis-server
    • https://people.redhat.com/nhorman/papers/rhel4_vm.pdf
63. Rocannon: Vim for Ansible playbooks: omni-completion, abbreviations, syntax, folding, K-docs, and colorscheme 2018-10-25

    tags: completion, configuration-management/ansible, editor, editor/vim, programming/yaml, science-fiction

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64. ansible-lint: Best practices checker for Ansible 2018-10-18

    tags: configuration-management/ansible, programming/python, programming/yaml, static-analysis/lint

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    • https://github.com/ansible/galaxy-lint-rules
65. Ansible Silo | Engineering | Groupon 2018-10-04

    tags: configuration-management/ansible, linux/container/docker, programming/testing, static-analysis/lint

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    • https://github.com/groupon/ansible-silo
66. Configuring Apache2 (Unofficial) — Mattermost 5.3 documentation 2018-10-03

    tags: apache, chat, mattermost, network/http, network/http-server/apache-httpd, network/proxy, web

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    • https://docs.mattermost.com/install/config-proxy-apache2.html
    • https://gist.github.com/misje/52551fc43754d2e27f32
    • https://github.com/mattermost/docs/issues/1114
    • https://forum.mattermost.org/t/how-to-setup-a-simple-apache2-proxy-to-mattermost/495
67. Prometheus - EC2 instance relabeling 2018-10-03

    tags: cloud, cloud/aws, discovery, observability/time-series/prometheus

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    • https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config
    • https://www.robustperception.io/automatically-monitoring-ec2-instances
    • https://www.robustperception.io/controlling-the-instance-label
    • https://www.robustperception.io/life-of-a-label
    • https://www.robustperception.io/target-labels-are-for-life-not-just-for-christmas
    • https://www.robustperception.io/what-is-a-job-label-for
    • https://www.robustperception.io/icmp-pings-with-the-blackbox-exporter
    • https://www.robustperception.io/extracting-full-labels-from-consul-tags
68. PipeWire - audio and video graph processing engine 2018-10-03

    tags: audio, desktop/gnome, desktop/kde, fosdem, jack, linux, linux/fedora, linux/red-hat, pulseaudio, video

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    • https://github.com/PipeWire
    • https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/Configuration
    • https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/JACK
    • https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/PulseAudio
    • https://wiki.gentoo.org/wiki/Pipewire
    • https://wiki.archlinux.org/index.php/PipeWire
    • https://bootlin.com/blog/an-introduction-to-pipewire/

    FOSDEM:

    • https://archive.fosdem.org/2019/schedule/event/pipewire/
    • https://archive.fosdem.org/2020/schedule/event/ema_pipewire/

    Fedora adoption:

    • https://fedoraproject.org/wiki/Releases/34/ChangeSet#Route_all_Audio_to_PipeWire
    • https://fedoraproject.org/wiki/Changes/DefaultPipeWire

    Articles:

    • https://blogs.gnome.org/uraeus/2018/09/24/getting-the-team-together-to-revolutionize-linux-audio/
    • https://www.collabora.com/news-and-blog/blog/2020/03/05/pipewire-the-media-service-transforming-the-linux-multimedia-landscape/
    • https://www.reddit.com/r/linux/comments/9k89bm/getting_the_team_together_to_revolutionize_linux/

    Troubleshooting:

    • pipewire#2354 Frequent audio popping/crackling/skipping
    • https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/Troubleshooting
69. Automatically monitoring EC2 Instances – Robust Perception | Prometheus Monitoring Experts 2018-09-30

    tags: cloud, cloud/aws, discovery, observability/time-series/prometheus

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    • https://prometheus.io/docs/prometheus/latest/configuration/configuration/#%3Cec2_sd_config%3E
    • https://github.com/prometheus/prometheus/issues/2244
    • https://prometheus.io/blog/2015/06/01/advanced-service-discovery/
70. Jenkins - Pipeline as YAML: Alpha release 2018-09-27

    tags: configuration, continuous-integration/jenkins, pipeline, programming/yaml, source-code-management, source-code-management/git

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    • https://jenkins.io/blog/2018/06/15/simple-pull-request-plugin/
    • https://issues.jenkins-ci.org/browse/JENKINS-52452
    • https://github.com/jenkinsci/simple-pull-request-job-plugin
    • https://jenkins.io/projects/gsoc/2018/simple-pull-request-job-plugin/
71. FreeBSD Desktop – Part 16 – Configuration – Pause Any Application | 🆅🅴🆁🄼🄰🄳🅔🅝 2018-09-20

    tags: desktop, keyboard, linux, window, x11

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    • https://github.com/vermaden/scripts/
72. kubespray: Setup a kubernetes cluster 2018-09-19

    tags: cloud, configuration-management/ansible, distributed-system/cluster, linux, linux/container/docker, linux/container/kubernetes

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    • https://github.com/kubespray
    • http://kubespray.io/
73. How I Switched from Docker-Compose to Pure Ansible 2018-09-19

    tags: configuration-management/ansible, jinja, linux/container/docker, linux/container/docker-compose

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74. iproute2/iproute2.git - Iproute2 routing commands and utilities 2018-09-03

    tags: command-line, ethernet, hardware, linux, network, network/ip, wifi

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    • https://en.wikipedia.org/wiki/Iproute2
    • https://wiki.archlinux.org/index.php/Network_configuration
    • https://www.digitalocean.com/community/tutorials/how-to-use-iproute2-tools-to-manage-network-configuration-on-a-linux-vps
75. MySQL configuration: when to use hyphen and when to use underscore - Stack Overflow 2018-08-29

    tags: configuration, database, database/mariadb, database/mysql

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76. Monit - Easy, proactive monitoring of processes, programs, files, directories, filesystems and hosts 2018-08-01

    tags: linux, monit, observability, observability/time-series/prometheus, service, system

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    • https://mmonit.com/monit/documentation/monit.html
    • https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-monit
    • https://blog.sleeplessbeastie.eu/2014/10/14/monit-a-quick-look-at-the-web-interface/
    • https://github.com/commercetools/monit_exporter
77. Let's Encrypt with HAProxy 2018-07-25

    tags: cryptography/certficate, letsencrypt, network/http, network/http-server/haproxy, network/tcp, network/transport-layer-security

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    • https://github.com/letsencrypt/acme-spec/issues/33
    • https://coolaj86.com/articles/adventures-in-haproxy-tcp-tls-https-ssh-openvpn/
    • https://blog.chmd.fr/ssh-over-ssl-episode-4-a-haproxy-based-configuration.html
78. Share Compose configurations between files and projects | Docker Documentation 2018-07-25

    tags: configuration, linux/container/docker, linux/container/docker-compose, programming/yaml

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    Extension with Compose format 3.4+:

    • https://github.com/moby/moby/issues/31101
    • https://github.com/docker/compose/issues/4315
    • https://github.com/docker/cli/pull/452
    • https://github.com/docker/compose/pull/5140
    • https://stackoverflow.com/questions/45279662/extend-service-in-docker-compose-3

    Inheritance through YAML anchors:

    • https://stackoverflow.com/questions/14184971/more-complex-inheritance-in-yaml
    • https://web.archive.org/web/20130213112648/http://blog.101ideas.cz/posts/dry-your-yaml-files.html
    • https://gist.github.com/bowsersenior/979804
79. Load balancing and scaling Docker containers with Træfik 2018-07-18

    tags: linux/container/docker, network, network/http, network/proxy

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    Træfik options:

    • https://docs.traefik.io/configuration/backends/docker/
    • https://docs.traefik.io/configuration/commons/

    Relevant backend labels:

    • traefik.port
    • traefik.docker.network
    • traefik.backend.loadbalancer.method
    • traefik.backend.loadbalancer.stickiness

    Examples:

    • https://www.katacoda.com/courses/traefik/deploy-load-balancer

    Gateway timeout and overlay network setup:

    • https://github.com/containous/traefik/issues/979
    • https://github.com/containous/traefik/issues/1254
    • https://github.com/containous/traefik/issues/3599
80. Tinc VPN 2018-07-04

    tags: configuration-management/ansible, linux, network, network/vpn, security

    [ permalink ]

    • https://www.digitalocean.com/community/tutorials/how-to-install-tinc-and-set-up-a-basic-vpn-on-ubuntu-14-04
    • https://www.digitalocean.com/community/tutorials/how-to-use-ansible-and-tinc-vpn-to-secure-your-server-infrastructure
    • https://github.com/thisismitch/ansible-tinc