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Posted by jpluimers on 2019/01/18
For my link archive: [WayBack] National Cyber Security Centre publish Ubuntu 18.04 LTS Security Guide | Ubuntu blog
Via: [WayBack] A new best practice guide for hardening #Ubuntu Desktop 18.04 from the National Cyber Security Centre (part of UK gov): https://blog.ubuntu.com/2018/07… – Will Cooke – Google+
–jeroen
Posted in *nix, Linux, Power User, Ubuntu | Leave a Comment »
Posted by jpluimers on 2019/01/18
Two installation options for TigerVNC:
The [WayBack] TigerVNC viewer gives a bit more details on failing VNC connections than the stock OSX Screen Sharing.app does: after performing the logon, the connection would just stall, but TigerVNC would should “write broken pipe (32)” after the logon. Most of the linked search results indicated the VNC server was having a state problem.
So I restarted the VNC server, after which connections could be made again in both tools.
I actually prefer the stock Screen Sharing.app as:
open vnc://192.168.178.55:5900 if your VNC server is listening on 192.168.178.55:5900TIL that Apple’s “Screen Sharing” app is command-line accessible.
ssh username@hostname -L5910:localhost:5900open
vnc://username:password@localhost:5910
–jeroen
Posted in Apple, Mac OS X / OS X / MacOS, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, macOS 10.12 Sierra, OS X 10.10 Yosemite, OS X 10.11 El Capitan, OS X 10.8 Mountain Lion, OS X 10.9 Mavericks, Power User, VNC/Virtual_Network_Computing | 2 Comments »
Posted by jpluimers on 2019/01/18
Somehow I managed to get a OnePlus phone to have the read data limit line stuck at ~5 gigabyte whereas the warning was at ~15 gigabyte.
This caused all sorts of havoc when I passed the 5 gigabyte mark: cellular data would turn off, I would get all sorts of warnings and – worst of all – I could not reset the red line.
The solution was at [WayBack] Unable to remove “Cellular data limit exceeded” notification even after changing the data limit on OnePlus 2’s OOS 3.5.5:
There are numerous discussions offering a solution to this:
- Goto
Settings>Backup & reset>Network settings reset.- Now select the affected SIM card
- Now click
Reset Settings.
–jeroen
Posted in Android Devices, OnePlus Two, Power User | Leave a Comment »
Posted by jpluimers on 2019/01/17
Interesting: [WayBack] GitHub – pyscripter/python4delphi: Free components that wrap up Python into Delphi and Lazarus (FPC)
Via [WayBack] 【Develope a rabbitmq application with python4delphi】 You can download the vcl from https://github.com/pyscripter/python4delphi The VCL can support pyth… – dorje sona – Google+
–jeroen
Posted in Delphi, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2019/01/17
Every time he finds a new compiler use, I’m all like “wow!”. This time [WayBack] Stefan Glienke – Google+: One of these rare moments when the compiler positively impresses me found a new way to make single responsibility principle easier to attain by using a class helper to resolve interface delegation.
In the comments are a few nice tidbits on what the compiler emits in order to implement interface delegation and reference counting.
–jeroen
Posted in Delphi, Development, Software Development | Leave a Comment »
Posted by jpluimers on 2019/01/17
Cool stuff if you want to make your own WOL devices out of spare parts.
From old to new:
They can be woken up by anything sending magic WOL packets, including Raspberry Pi (which cannot be woken up by them, though you could use a Whack-on-LAN for that).
Basically the Raspberry Pi cannot be woken up with WOL because of a few reasons:
It can be a WOL server though: [WayBack] Raspberry Pi As Wake on LAN Server: 5 Steps (with Pictures)
–jeroen
Posted in Development, Ethernet, Hardware Development, Network-and-equipment, Power User, Raspberry Pi, Wake-on-LAN (WoL) | Leave a Comment »
Posted by jpluimers on 2019/01/17
If you dare using Delphi 10.3 Rio instead of waiting for Update 1 to stabalise (and hopefully speed up things), you might want to try the development snapshot of [WayBack] IDE Fix pack for Rio – Page 2 – Delphi Third-Party – Delphi-PRAXiS [en] that got released last week (thanks Andy!):
A new development snapshot of IDE Fix Pack for 10.3 Rio is available.
The Win64 (DCC64) and Android (DCCAARM) compiler patches should now work as excepted.
Changes:
- Added: Support for Delphi 10.3 Rio
- Added: Fix for TStringList.IndexOfName bug (RSP-21633)
- Added: Fix for access violoation in the Welcomepage JScript9.dll binding
- Added: TCustomListBox.ResetContent is skipped if the handle isn’t created yet
- Added: DFM Streaming optimizations
- Added: FillChar uses Enhanced REP MOVSB/STOSB cpu feature if available for large sizes.
- Added: Enabled CPU LOCK string assignment optimization for local variables
- Added: -Oe (experimental optimizations) and -x-cgo compiler option extension (Remove of some unneccessary push/pop operations)
- Added: Expression Evaluator allows array access to pointers even if the type wasn’t declared with {$POINTERMATH ON}
- Added: New compiler option extensions: -x–compileonly, -x–reslist, -x–depfile, -x–unitstats
- Added: More performance optimization for the DCC64 compiler
- Added: TStringBuilder.SetLength optimization [RSP-19178]
- Added: TStrings.GetDelimitedText optimization
- Fixed: Packages with duplicate units may not have caused a fatal compiler error.
Related:
–jeroen
Posted in Delphi, Delphi 10.3 Rio (Carnival), Development, Software Development | 4 Comments »
Posted by jpluimers on 2019/01/16
A while back I wrote on Generating a million sequential numbers on the fly in a Firebird query – some solutions and speed measurements.
SQL Server has different features and performance characteristics so here are some links on doing similar things in SQL Server:
As always: if performance is important, measure before starting to optimise!
Via: [WayBack] sql – All hour of day – Stack Overflow
–jeroen
Posted in Database Development, Development, Firebird, SQL, SQL Server | Leave a Comment »
Posted by jpluimers on 2019/01/16
With the advent of WebSockets, it looks like TCP tunnels over HTTP/HTTPS are gaining more ground and I need to put some research time in them.
Some old to new links:
CONNECT requests are not supported by many HTTP proxies, especially in larger organisations, so chisel and crowbar have a much bigger chance there.
However, that is a VPN solution which is much broader than just a single TCP tunnel. You can so similar things with OpenVPN, but over HTTP/HTTPS, also requires CONNECT:
SoftEtherVPN seems to be more versatile though. I blogged about that before, but back then didn’t have needs for it yet. VPN over HTTPS: Ultimate Powerful VPN Connectivity – SoftEther VPN Project.
–jeroen
via: [WayBack] VPN through only http – Server Fault answer by [WayBack] neutrinus
Posted in Communications Development, Development, HTTP, https, Internet protocol suite, Network-and-equipment, OpenVPN, Power User, TCP, VPN, WebSockets, Windows-Http-Proxy | Leave a Comment »
Posted by jpluimers on 2019/01/16
I need to document this properly later, but here are some links I used when fiddling with iframe elements:
A few things I learned:
float: left; in your style and a width: 100vw in the div around all your frames.100% isn’t 100% out of the box: default browser styles have a margin around your page and a border around an iframe.margin and border-width inside your styles for body and iframe. Easiest is to set them to none or 0.–jeroen
Posted in CSS, Development, HTML, Web Development | Leave a Comment »
The Wiert Corner - irregular stream of stuff 