Category Archives: HOWTO’s

Arch Linux: key could not be imported – required key missing from keyring
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25 November 2019

A couple of days ago I got an additional laptop to take it on meetings. As it will be used rarely and not as my main laptop – I decided to install Manjaro Linux there instead of usual Arch Linux – to take a look at the Manjaro itself and because don’t want to spend… Read More: Arch Linux: key could not be imported – required key… »

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AWS: RDS Certificate Authority SSL certificate upgrade
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22 November 2019

We started receiving emails from AWS with notifications to update RDS Certificate Authority certificates. It’s time to do it, so let’s start from our Dev, then will repeat on Staging and Production environments. W eare using common AWS RDS MariaDB instances, and the upgrade documentation is available here>>>. The process itself is really simple and… Read More: AWS: RDS Certificate Authority SSL certificate upgrade0 (0) »

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Linux: Kazam – record a screencast
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21 November 2019

had to create a short demonstration video for Okta’s support, googled a tiny, quick and simple application – Kazam. On Arch Linux can be install from AUR: [simterm] $ yaourt -S kazam [/simterm] Run it: [simterm] $ kazam [/simterm] I set the Automatic save by default (to the ~/Videos): Now, chose an area to record… Read More: Linux: Kazam – record a screencast0 (0) »

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Grafana: Loki – the LogQL’s Prometheus-like counters, aggregation functions and dnsmasq’s requests graphs
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17 November 2019

The last time I configured Loki for logs collecting and monitoring was in February 2019 – almost a year ago, see the Grafana Labs: Loki – logs collecting and monitoring system post, when Loki was in its Beta state. Now we faced with outgoing traffic issues in our Production environments and can’t find who guilty for… Read More: Grafana: Loki – the LogQL’s Prometheus-like counters, aggregation functions and… »

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dnsmasq: AWS – “Temporary failure in name resolution”, logs, debug and dnsmasq cache size
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28 October 2019

We are using AWS VPC DNS and sometimes facing with errors like “php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution“. The only advice from AWS tech. support was to configure a local dnsmasq service to act as a local DNS cache, but I did this already year ago and this issue happens once in 1-2-3… Read More: dnsmasq: AWS – “Temporary failure in name resolution”, logs, debug… »

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Arch Linux: package-query: error while loading shared libraries: libalpm.so.11
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26 October 2019

Didn’t install upgrades for a couple of weeks, today packages to be upgraded became over 100, so I run it. Upgrades on my Arch Linux are installed with a simple alias in the.bashrc: … alias osupgrade=”yaourt -Syua –noconfirm” … (seems eventually it’s time to change it to the alias osupgrade=”yay -Syua –noconfirm”) The error Usually,… Read More: Arch Linux: package-query: error while loading shared libraries: libalpm.so.110 (0) »

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Okta: G-Suite integration – provisioning and users import and export
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25 October 2019

And going forward with Okta setup for our project. Previous posts: Okta: SSO authentication for Gmail and Slack Jenkins: SAML Authentication with Okta SSO and users groups Jenkins: SAML, Okta, users groups, and Role-Based Security plugin Github: SAML, Okta, and Github Enterprise Cloud – Organization SSO configuration The next task is to integrate our Google… Read More: Okta: G-Suite integration – provisioning and users import and export0… »

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Github: SAML, Okta, and Github Enterprise Cloud – Organization SSO configuration
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21 October 2019

As a follow-up to the SSO, Okta, and SAML. We already did everything for our Jenkins (see the Jenkins: SAML, Okta, user groups, and Role-Based Security plugin post) – now it’s time to do the same thing with our Github organization. The idea is the same as for the Jenkins’ setup: keep all users in… Read More: Github: SAML, Okta, and Github Enterprise Cloud – Organization SSO… »

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AWS: Redshift – quick start and SQL-workbench connection config
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18 October 2019

Our data-analytics team eventually started to play with an AWS Redshift cluster instead of the MariaDB RDS service. Actually, the current task is to spin up a simple Proof of Concept Redshift’s cluster in the AWS. Let’s do it quickly, without details – if this will go to the Production, I’ll add another post with… Read More: AWS: Redshift – quick start and SQL-workbench connection config0 (0) »

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Jenkins: SAML, Okta, user groups and Role-Based Security plugin
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15 October 2019

Still on the subject of the Okta and SSO for Jenkins – let’s configure a Role-Based Security plugin for our Jenkins. See the first part in the Jenkins: SAML Authentication with Okta SSO and users groups post. The general idea is to have user groups defined in the Okta, and Okta has to pass a… Read More: Jenkins: SAML, Okta, user groups and Role-Based Security plugin0 (0) »

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