%IF{"(NOT defined GROUP) OR $GROUP = ''" then=' How to add the first administrator If you haven\'t previously set up an administrator, follow these steps: (Note:...
MEN A20 Serial Wiring SD is using a custom MEN A20 VME Board (http://www.menmicro.com/products/vmebus,3,01A020 .html). It has a serial console on an RJ45 Jack. Th...
Yocto Evaluation Old evaluation from 2016. For current (as of 2022) Yocto efforts Frontend.Yocto evaluating yocto as frontend operating system requires cross...
Build Cross Compiler Erzeugung eines Cross Compiler aus Sourcen. Software Auf dem Host System braucht es einen gcc. und wenn das Host System zu alte Versionen h...
RPMs mit ELDK erstellen Das ELDK stellt cross compiler für die PowerPC. ELDK Umgebung zunächst alle vorhandenen Umgebungsvariablen auf ein minimum reduzieren....
Embedded Linux Beschreibt die Verwendung von Linux auf unseren Frontendsysteme. Dies sind Systemen ohne lokale Datenspeicher. Bekannte Frontends CPU87 VME Board...
Embedded Packages as of 2014 el6, embedded packaging is handled with opkg. Guidelines Boot Order Anything that should execute at boot is in /etc/init/boot.d. F...
MEN A20 Is a VME board from the manufacturer Mikro Elektronik Nuernberg (http://www.men.de). Hardware Core2 Duo CPU, Up to 4GB Ram, Socket for Compact Flash Car...
ACC Authentication we try to use a single centralized account system where possible. This means that your account is the same, no matter which acc service you are...
Buildsystem Circular Dependencies To bootstrap the complete ACC Software (Frontend and Applications), it is necessary to resolve circular dependencies. Frontend...
Build Service We are running a jenkins build service at https://builder.acc.gsi.de It provides multiple build configuration. The current configurations can be see...
Buildsystem The Buildsystem consists of * General overview using the combination Maven and Scons * Presentation of the Buildsystem in the BEL Developer For...
Cluster acc5 asl72x development asl32x production asl520 admin decommissioning plan 2016 05 No on call service No support No configuration or software changes ...
Cluster acc6 is unsupported as of November 2020 Note: SshLegacy Cluster acc6 is the legacy computational computer cluster virtual machines. It's used to develop ...
Container Continuous Integration Automatic building of container images using jenkins. Security To enable deployment from jenkins to the container registry we ne...
Container Registry We are running our own container registry. https://registry.acc.gsi.de It's not high available, there is no backup, it might change to a differ...
Diagnostic Logging System The diagnostic logging services is provided by acoinn by running a opensearch, opendashboards, logstash cluster to receive and store dia...
Git ACO is running https://git.acc.gsi.de a gitea installation for controls related software. Authentication The server is only available inside the GSI Network....
graylog queries graylog changed the model of saved queries. The queries could not be migrated. Here is a list of all saved queries of graylog before 2020 06 22 so...
Jetty default (since 2022) servlet container for user managed services (ClusterAcc9). Installation INN will install Jetty by user request on service hosts. It wi...
Kubernetes Certificates Handling SSL Certificate generation and renewal in Kubernetes can be automated. The tool used is cert manager definition create a certifi...
Kubernetes debug how to debug application running in kubernetes? access running container get a shell inside the running container. kubectl exec my app ti /b...
Kubernetes Hints Java Java and Kuberentes is a bit complicated. Java tries to autodetect various system information (for example Memory, Cpu count) and autotunes...
Kubernetes Limitations kubernetes has some limitations. They result in our current setup, or policies or are builtin * total of about 2700 external services ov...
Kubernetes Monitoring is done with prometheus. Webinterface is grafana. https://prometheus.acc.gsi.de/grafana/ Service Metrics Prometheus is doing auto discovery...
Kubernetes Resource Limits Container and pods in Kubernetes are dynamically distributed on the available nodes. Processes in a container consume cpu cycles and me...
Kubernetes Services This document assumes you already read Kubernetes Now that we know how to build containers and deploy them to Kubernetes we want to ac...
Linux filesystems Or where is software installed? Unpackaged Some Software can't be packaged, or is just a shared directory of a group. /common some form of sh...
Mattermost The mattermost server is run by C IT. All issues including logins, teams, permissions to the user helpdesk. aco bot disabled as of 2023 08 experimenta...
Maven A preconfigured version of maven is installed on the development servers. Just type mvn. If you want to take a look at the configuration /opt/maven/conf. M...
Maven and SCons as Buildsystem Right now the whole concept is in an evaluation phase. Idea and Background Single Buildsystem, used by C/C /Fortran and Java Proje...
Migration to RHEL6 This is not a whislist. Software * python cx oracle: Database access for japc eqmod parser. https://www acc.gsi.de/svn/belin/redhat/rpm/5...
NFS init NFS init is a method to "install" and run software on embedded frontend computers (FEC). Overview 1 System boots kernel and initial ramdisk from TF...
Migration NFS Server to rocky 8 the nfs server fsl00c will be migrated to a rocky 8 based system. The nfs server provides filesystems /common/home, /common/export...
Linux Printing The servers in the acc network use the cups server provided by core it: cups.gsi.de As of october 2015 all printers must be configured on the core ...
SSH Agent do not use unencrypted ssh private keys! The basic security scan will automatically delete them. But typing in the password for the key is annoying. D...
SSH Legacy old cryptograhic standards and what to do no matching host key type something like Unable to negotiate with ... port 22: no matching host key type fo...
Add a log entry Add Log Entry here and add free form text on the next page %RENDERFOREDIT{ form="SimpleLogForm" topic="LogEntryAUTOINC00000" exclude="Autho...
White Rabbit Switch 802.1X MAC Authentication Introduction This is a standard feature of 'normal' network switches from Cisco, HP, ... and involves a remote Radi...