Investigating cobalt::generator
Standard C++ generator
The code below demonstrates how standard C++23 synchronous generator works:
#include <boost/cobalt.hpp>
#include <iostream>
#include <generator>
namespace cobalt = boost::cobalt;
std::generator<int> numbers()
{
for (int i = 1; i <= 5; ++i)
{
co_yield i;
}
}
Building boost::cobalt with MSVC 2022
cd C:\dev\repos\boost_1_89_0
set OPENSSL_ROOT_DIR=C:/dev/libs/OpenSSL
set OPENSSL_USE_STATIC_LIBS=ON
bootstrap.bat
b2 cxxstd=20 install --with-system --with-thread --with-cobalt --prefix=C:/dev/libs/boost_1_89_0 --toolset=msvc-14.3 -s _WIN32_WINNT=0x0A00 link=static runtime-link=static variant=release address-model=64
b2 cxxstd=20 install --with-system --with-thread --with-cobalt --prefix=C:/dev/libs/boost_1_89_0 --toolset=msvc-14.3 -s _WIN32_WINNT=0x0A00 link=static runtime-link=static variant=debug address-model=64
Nginx TCP proxy with SSL Termination
Obtaining the certificates
Obtain private and public keys from exported pfx file:
openssl pkcs12 -in ldaps.pfx -nocerts -nodes -out ldap.key
openssl pkcs12 -in ldaps.pfx -clcerts -nokeys -out ldap.crt
Fixing my routing table to make Hyper-V visible from the host machine
Get-NetIPAddress -AddressFamily IPv4 | Format-Table InterfaceIndex, InterfaceAlias, IPAddress, PrefixLength
InterfaceIndex InterfaceAlias IPAddress PrefixLength
-------------- -------------- --------- ------------
8 vEthernet (External Virtual Switch) 169.254.119.152 16
55 vEthernet (WSL (Hyper-V firewall)) 172.29.208.1 20
42 vEthernet (Default Switch) 172.28.176.1 20
9 Local Area Connection* 2 169.254.188.32 16
23 Local Area Connection* 1 169.254.77.99 16
16 Ethernet 192.168.0.145 24
21 Wi-Fi 192.168.0.170 24
1 Loopback Pseudo-Interface 1 127.0.0.1 8
Increasing MaxConcurrentApi Kerboros parameter on a Domain Controller
I increased MaxConcurrentApi value of type DWORD in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\Parameters:
Installing Debian 13.1 on Hyper-V
Right after installing Debian I got the following:
Error: The repository 'cdrom://[Debian GNU/Linux 13.1.0 _Trixie_ - Official amd64 DVD Binary-1 with firmware 20250906-10:24] trixie Release' does not have a Release file.
Notice: Updating from such a repository can't be done securely, and is therefore disabled by default.
Notice: See apt-secure(8) manpage for repository creation and user configuration details.
I fixed this by updating /etc/apt/sources.list as follows:
# deb cdrom:[Debian GNU/Linux 13.1.0 _Trixie_ - Official amd64 DVD Binary-1 with firmware ...] /
deb http://deb.debian.org/debian trixie main contrib non-free-firmware non-free
deb http://deb.debian.org/debian-security trixie-security main contrib non-free-firmware non-free
deb http://deb.debian.org/debian trixie-updates main contrib non-free-firmware non-free
sudo apt update
An error occurred when accepting connection in the local socket. Code: 24
Tried the following
sysctl net.core.somaxconn
net.core.somaxconn = 4096
sudo sysctl -w net.core.somaxconn=8192
but without a success.
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