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Friday, 28 February 2025

Keepalived demo configuration

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 0 Basic concepts Applications get high availability by Load Balancers In production environment, applications are usually deployed on multi...
Friday, 10 January 2025

SSO login flow third-party initiator in SAML and OIDC

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SSO login can be triggered in multiple ways. In most cases, the SSO login flow is initiated automatically by end users accessing any protect...
Saturday, 4 January 2025

Detailed steps to implement SSO with multiple Identity Providers by Apache httpd + mod_auth_openidc

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 0 Lab inventory RockyLinux 9 httpd-2.4 php-fpm-8 mod_auth_openidc-2.4.16 ( the yum installed version, 2.4.10 has issues ) A web app has be...
Saturday, 21 December 2024

Implementation of SSO for DokuWiki with Google login

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 0 Inventory OS debian Apache httpd Apache httpd module: lipapache2-mod-auth-openidc DokuWiki DokuWiki auth plugin: authserversso 1 Apache c...
Sunday, 3 November 2024

Gems hidden in GitHub/GitLab

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 1 https://github.com/ username .keys  Do you often copy/paste your SSH pub key? The URL https://github.com/username.keys serves all the use...
Sunday, 20 October 2024

How does Tmux work under the hood?

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I found a great post   today about Tmux internals. The Client/Server design of Tmux is really good.
Thursday, 10 October 2024

Docker doesn't update user defined routing table

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1 What happened? Docker published port is NOT accessible from the host itself, but can be accessed from outside the host. On the Docker host...