LibreOffice: Automatically save documents

Below you find a solution how to automatically save documents, in case you forget to save your documents and leave the workstation and therefore they are not synchronized with your favorite cloud solution (or if some of your colleague are forget to save the files …). Environment OS: MacOS 10.15.3 and ArchLinux (21.2.2020) LibreOffice 6.3.4.2 Workflow Open the settings and change as you see below Close LibreOffice and reopen (IMPORTANT) …

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oVirt: DataAccessResourceFailureException

From one day to another the oVirt Management Webinterface broke with the Exception: org.springframework.dao.DataAccessResourceFailureException:Error retrieving database metadata; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.postgresql.util.PSQLException: This connection has been closed. After investigating the log file I found in “/var/log/ovirt-engine-dwh/ovirt-engine-dwhd.log” the following error: org.postgresql.util.PSQLException: ERROR: right sibling’s left-link doesn’t match: block 2 links to 1 instead of expected 4 in index “idx_vm_device_history_vm_id_type” Solution Thanks to Strahil N., …

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Upgrade Contao v3 to v4

Today I upgrade an Contao v3 installation to Contao v4. Steps overview: Backup Setup local server with apache as docker container Migrate to v4 Migrate code manually until page looks like in v3 Move files to destination server NOTE: Some steps below are explained very short, if you need more details please leave a comment and I will go more into depth for the needed step. Workflow Create a backup …

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Microsoft Access – Add missing record for Auto-Number records

One of my customers use an access “application” where surprisingly one record was missing for an auto-number field. Therefore one invoice number was missing which can lead to many questions when the finance is asking where the number is. Here are the steps how to add a the missing record.Note: Its a little bit complicated for such a simple task but i found no other solution. Backup your database Open …

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Clone Acronis Recovery USB with GParted

In the following article you find a way how to clone an Acronis Recovery flash drive with GParted. Environment: ArchLinux (Latest Updates 28.12.2019) GParted Acronis True Image 2018 USB Disk Workflow: Plug in both flash drives Reduce the size of the flash drive with GParted. Don’t forget to apply the changes before going to the next step. Copy the Partition Paste the Partition Boot the new flash drive and enjoy …

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oVirt 4.* add HA for HostedEngine

Today I describe how to enable the high available feature in oVirt with two hosts. Normally this should be enabled during adding one host but it can also be enabled afterwards as well. Shut down or migrate all VMs for the given host Put the host into maintenance Reinstall oVirt Set Hosted Engine to “deploy” Now you should see a crown beside the hostname You can migrate the HostedEngine to …

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Synchronize multiple Smart Light Bulbs

Today I describe how to synchronize multiple Smart Light Bulbs with one main bulb. You can set the color temperature and brightness for one main lamp, in this example the kitchen, based on this lamp other lamps are synchronized. It is not necessary that the lamps are online during changing the color temperature or brightness. Lights which are offline will get the new configuration after they are turned on. Environment …

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GPG high CPU usage

Today I had a very high CPU usage while using GPG. I found the answer inside the following ticket https://dev.gnupg.org/T3972 The high CPU usage was caused by a process like this /usr/bin/gpg –charset utf-8 –display-charset utf-8 –no-auto-check-trustdb –batch –no-tty –status-fd 2 –with-fingerprint –fixed-list-mode –with-colons –list-secret-keys ***** The reason is a huge key in ~/.gnupg/pubring.gpg. Mine was 37MB!!! Thanks to “dkg” who publish the following awk script: < ${GNUPGHOME:-~/.gnupg}/pubring.gpg gpg –list-packets …

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