Category Archives: Operating Systems

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08
09
25
 2 Comments

Accessing Hyper-V from WSL

Posted by | Windows | Tagged , |

Forwarding is disabled by default:

Get-NetIPInterface | Select-Object ifIndex,InterfaceAlias,ConnectionState,Forwarding

ifIndex InterfaceAlias                     ConnectionState Forwarding
------- --------------                     --------------- ----------
     57 vEthernet (WSL (Hyper-V firewall))       Connected   Disabled
     38 vEthernet (Default Switch)               Connected   Disabled
     17 Ethernet 2                            Disconnected   Disabled
     14 Local Area Connection* 10             Disconnected   Disabled
     22 Local Area Connection* 9              Disconnected   Disabled
     18 OpenVPN Connect DCO Adapter           Disconnected   Disabled
      7 Wi-Fi                                    Connected   Disabled
      5 Local Area Connection                 Disconnected   Disabled
      1 Loopback Pseudo-Interface 1              Connected   Disabled
     57 vEthernet (WSL (Hyper-V firewall))       Connected   Disabled
     38 vEthernet (Default Switch)               Connected   Disabled
     17 Ethernet 2                            Disconnected   Disabled
     14 Local Area Connection* 10             Disconnected   Disabled
     22 Local Area Connection* 9              Disconnected   Disabled
     18 OpenVPN Connect DCO Adapter           Disconnected   Disabled
      7 Wi-Fi                                    Connected   Disabled
      5 Local Area Connection                 Disconnected   Disabled
      1 Loopback Pseudo-Interface 1              Connected   Disabled
(more…)
04
09
25
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Exporting and importing WSL distributions

Posted by | Ubuntu, Windows | Tagged |

Exporting

In PowerShell:

wsl --export Ubuntu Ubuntu-01.tar

where Ubuntu is the distro name.

Importing

wsl --import UbuntuA C:\Users\dmitriano\wsl\UbuntuA Ubuntu-24.01.tar

probably the folder C:\Users\dmitriano\wsl\UbuntuA should exist.

(more…)
04
09
25
 7 Comments

Using lb to measure LDAP performance

Posted by | Ubuntu | Tagged |

Download and install latest Go:

wget https://go.dev/dl/go1.25.1.linux-amd64.tar.gz
tar xf ../distrib/go1.25.1.linux-amd64.tar.gz
realpath go
export GOROOT=/home/dmitriano/dev/tools/go
export GOPATH=$HOME/go
export PATH=$GOPATH/bin:$GOROOT/bin:$PATH

Install the package:

go install github.com/hamano/lb@latest
(more…)
03
09
25
 6 Comments

Using Apache JMeter to measure LDAP performance

Posted by | Ubuntu, Windows | Tagged , |

Extract the archive:

tar xf /mnt/c/Users/dmitriano/Downloads/apache-jmeter-5.6.3.tgz

Install Java runtime:

sudo apt install default-jre
java --version

openjdk 21.0.8 2025-07-15
OpenJDK Runtime Environment (build 21.0.8+9-Ubuntu-0ubuntu124.04.1)
OpenJDK 64-Bit Server VM (build 21.0.8+9-Ubuntu-0ubuntu124.04.1, mixed mode, sharing)
(more…)
28
08
25
 4 Comments

How Russians use CLion with WSL on Windows 11

Posted by | Development environments, Windows | Tagged |

Configuring WSL

First they run a VPN client on the host machine and then they go to user’s folder:

cd %UserProfile%

create .wslconfig file with the following content:

[wsl2]
memory=30GB
swap=10GB

networkingMode=mirrored
dnsTunneling=true
autoProxy=true
(more…)
27
08
25
 1 Comment

Running v2rayN client on WSL

Posted by | Ubuntu, Windows | Tagged | 
unzip /mnt/c/Users/dmitr/Downloads/v2rayN-linux-64.zip
sudo apt install libice6 libsm6
./v2rayN &
curl -s https://api.ipify.org
(more…)
27
08
25
 1 Comment

Increasing WSL2 memory limits

Posted by | Windows | Tagged |

Go to user’s folder:

cd %UserProfile%

create .wslconfig file with the following content:

[wsl2]
memory=30GB
swap=10GB
(more…)
25
08
25
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Investigating LDAP SASL with WireShark

Posted by | Windows | Tagged |

LDAP SASL, or Simple Authentication and Security Layer for LDAP, is a framework providing a unified way to authenticate clients to LDAP servers using various security mechanisms, such as Kerberos, GSSAPI, or PLAIN.

GSSAPI, or the Generic Security Services API, is a standardized framework that provides a way for applications to access security services, like authentication, in a mechanism-independent manner.

Installing ldp.exe

(more…)
25
08
25
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Joining a Windows 10 computer to a Domain

Posted by | Windows |

Win + R, control:

(more…)
22
08
25
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Investigating Kerboros with kinit and Wireshark

Posted by | Ubuntu, Windows | Tagged , , |

On the domain controller:

nslookup -q=SRV _kerberos._tcp.other.local

Server:  localhost
Address:  127.0.0.1

_kerberos._tcp.other.local      SRV service location:
          priority       = 0
          weight         = 100
          port           = 88
          svr hostname   = 7-dev-de-dc16.other.local
7-dev-de-dc16.other.local       internet address = 10.15.7.16
(more…)
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