Posted by jpluimers on 2020/03/20
A while ago, I had a power issue that somehow resolved itself before I could dig deeper into it, so for next time:
Via Roderick Gadellaa.
–jeroen
Posted in Android Devices, OnePlus Five, Power User | Leave a Comment »
Posted by jpluimers on 2020/03/20
I’ve a bunch of secondary MX servers using postfix (which I like a lot over sendmail). Basically all their configurations are very similar:
/etc/postfix/relay, add a list of domains to relay for, each ending with a space followed by OK as perpostmap /etc/postfix/relay to update the relay database file./etc/postfix/main.cf has these settings (note that the FQDN – in the example smtp3.example.org – isn’t always returned by hostname --fqdn, see below):
inet_interfaces = allmyhostname = smtp3.example.orgsmtpd_helo_required = yessmtpd_helo_restrictions = permit_mynetworks, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_helo_hostnamercpostfix restart && rcpostfix statusCheck the functionality with journalctl -u postfix.
myhostnameThis usually gives a good indication of your external FQDN, but depending on your network circumstances it might not at all be the FQDN of your machine:
dig +noall +answer +short -x `curl -s ipv4.whatismyip.akamai.com` | sed 's/\.$//'
I got there through these StackExchange answers:
dig: [WayBack] 10 Linux DIG Command Examples for DNS Lookup and [WayBack] linux – Bash: Reverse DNS Lookup of Active IP Addresses – Super User. from the dig answer: [WayBack] text processing – Remove last character from line – Unix & Linux Stack ExchangesendEmailThen test with sendEmail from [WayBack] GitHub – mogaal/sendemail: lightweight, command line SMTP email client, with statements like these
The most recent version is now at [Wayback/Archive.is] GitHub – zehm/sendEmail: SendEmail is a lightweight, command line SMTP email client.
sendEmail -o fqdn=sending.example.org -f sender@example.org -t recipient@example.com -u message-subjetc -s smtp3.example.org -m message-textsendEmail -o fqdn=sending.example.org -f sender@example.org -t recipient@example.com -u message-subjetc -s smtp3.example.org -m message-text -v -v -v -vIf you get an error containing 450 4.7.1 … Helo command rejected: Host not found, then reject_unknown_helo_hostname works, but your -o fqdn= parameter contains an invalid hostname.
More sending examples are in the sendEmail documentation.
If you want to know more about fighting SPAM, then continue at [WayBack] Fighting Spam – What can I do as an: Email Administrator, Domain Owner, or User? – Server Fault
–jeroen
Posted in *nix, *nix-tools, postfix, Power User, sendmail | Leave a Comment »
Posted by jpluimers on 2020/03/19
On my research list for Visual Studio 2017 and up: [WayBack] How to Integrate ILMerge into Visual Studio Build Process to Merge Assemblies? – Stack Overflow
–jeroen
Posted in .NET, Development, Software Development, Visual Studio and tools | Leave a Comment »
Posted by jpluimers on 2020/03/19
Via [WayBack] Your cut and paste skills are in demand ##IL – Christoph Puppe – Google+:
–jeroen
Posted in Development, Pingback, Software Development, Stackoverflow | Leave a Comment »
Posted by jpluimers on 2020/03/19
I was upgrading a few older systems that had been off-line for quite a while.
When installing Chocolatey, I bumped into this error:
C:\bin>"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin" Exception calling "DownloadString" with "1" argument(s): "The request was aborted: Could not create SSL/TLS secure channel." At line:1 char:1 + iex ((New-Object System.Net.WebClient).DownloadString('https://chocol ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : WebException
So I tried [WayBack] chocolatey “The request was aborted: Could not create SSL/TLS secure channel.” – Google Search
Results indicated TLS 1.1 support was removed early February 2020 from Chocolatey because of security reasons, which impacts the installation on older systems:
If you see the following: Exception calling “DownloadString” with “1” argument(s): “The request was aborted: Could not create SSL/TLS secure channel.” then you are likely running an older machine that needs to be upgraded to be able to use TLS 1.2 at a minimum.
Chocolatey.org now requires TLS 1.2 at a minimum. Please see https://chocolatey.org/blog/remove-support-for-old-tls-versions. The post provides options if you have older clients that need to install Chocolatey.
We will be removing support for TLS 1.0 and TLS 1.1 from the Chocolatey Website on 3 February 2020.
…
Provisioning Older Machines?
If you find yourself provisioning machines such as Windows 7, Windows Server 2008, or older, you will find that those machines will not be able to communicate with the Chocolatey Community Repository after we implement this change. For those instances, you will need to use alternative installation methods for Chocolatey. We strongly recommend using the offline Chocolatey installation as it provides the most flexibility and reliability.
Note [WayBack] Chocolatey install Error: The request was aborted: Could not create SSL/TLS secure channel – Stack Overflow with a temporary workaround for Microsoft Windows Server 2016:
Looks like the security protocol changed:
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
–jeroen
Posted in Chocolatey, Power User, Windows, Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Server 2016 | Leave a Comment »
Posted by jpluimers on 2020/03/18
The “Formulas” tab has to buttons that help to Display the relationships between formulas and cells – Excel [WayBack]:
- Precedent cells — cells that are referred to by a formula in another cell. For example, if cell D10 contains the formula =B5, then cell B5 is a precedent to cell D10.
- Dependent cells — these cells contain formulas that refer to other cells. For example, if cell D10 contains the formula =B5, cell D10 is a dependent of cell B5.
To assist you in checking your formulas, you can use the Trace Precedents and Trace Dependentscommands to graphically display and trace the relationships between these cells and formulas with tracer arrows, as shown in this figure.
Related:
–jeroen
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Posted by jpluimers on 2020/03/18
Still on my reading list because it is relevant to many programming environments: [WayBack] The Delphi Geek: Data-driven Multithreading.
Related:
–jeroen
Posted in Delphi, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2020/03/18
It sounds long ago, but this post is still so relevant for anyone not yet bringing operations and development close together. And for those who did:
[WayBack] Nick Craver – Stack Overflow: How We Do Deployment – 2016 Edition
The relevance is why Nick repeated it in 2018 in a response to a @ThePracticalDev discussion right after the first Falcon Heavy deployment, and why I repeat it now.
–jeroen
Posted in Development, DevOps, Infrastructure, Software Development | Leave a Comment »
Posted by jpluimers on 2020/03/17
For my link archive if I want to make Explorer (for Linux caja) or console shortcuts to source or target directories: [WayBack] Fast-Forward »: My Lazarus External Tools with these XML files from [WayBack] Lazarus External Tools · GitHub:
And the Delphi equivalent from 2004: [WayBack] Fast-Forward »: My Delphi Tools, which addes “Open Source in Notepad2” and “Start Resource Explorer”.
via: [WayBack] Ondrej Kelle – Google+
–jeroen
Posted in Delphi, Development, Lazarus, Software Development | Leave a Comment »
Posted by jpluimers on 2020/03/17
A few notes from my response to [WayBack] [Fatal error] F2084 Internal error : AV101E53EB-R0000000C-0 I’m getting this when trying to do some code completion. Any idea ? – Stéphane Wierzbicki – Google+:
This compiler related error usually made it go away for me either when it occurs during project compilation or when using code completion: Close the IDE. Delete your DCU files. Then restart the IDE.
Starting fresh gives a high chance if fixing this unless it is indeed a compiler related error in which case it returns. For that you need to trim down your code to see under which circumstances.
Reasoning (please shoot at it when things are wrong/missing):
Both the IDE code completion and the project compilation use the compiler. The DCU cache is shared between these compiler instances. The DCU cache depends on internal memory structures. Various pointer related errors (both from the IDE, compiler and 3rd party extensions) can damage this cache.
Especially weak IDE uses of the compiler are the find symbol and rename symbol functionalities. I’ve stopped using those about a decade ago.
Sometimes the F2084 (which I often mistype as F2048) is indeed an error in the compiler. Over the years, some of them have been fixed too. See my earlier articles on F2084.
–jeroen
Posted in Conference Topics, Conferences, Delphi, Development, Event, F2084, Software Development | Leave a Comment »
The Wiert Corner - irregular stream of stuff 