Register MMC Snapin:
regsvr32 schmmgmt.dll
Press Windows Key + R, type mmc, and press Enter. Go to File->Add or Remove Snapin:
Category Archives: Operating Systems
Creating custom Attribute in Active Directory
Querying Active Directory with LDAP
export ad_ip="10.15.7.15"
export ad_user="administrator@itdrde.local"
export ad_password="XXXXXXXXX"
Computers are also Users
ldapsearch -H ldap://$ad_ip:389 -x -D $ad_user -w $ad_password -b "DC=itdrde,DC=local" \
-s sub -a always -z 1000 "(objectClass=user)" "serviceClassName" "serviceDNSName" "objectClass"
Querying Active Directory with PowerShell
First run the following command as administrator to make Get-ADUser command work:
Get-WindowsCapability -Online | Where-Object {$_.Name -like "*ActiveDirectory.DS-LDS*"} | Add-WindowsCapability -Online
Path :
Online : True
RestartNeeded : False
Try the following commands:
$ad_ip = "10.15.7.15"
$ad_user = "administrator@itdrde.local"
Get-ADUser -Server $ad_ip -Credential $ad_user -Properties *
How to determine device model with PowerShell
Get-CimInstance -ClassName Win32_ComputerSystem
Name PrimaryOwnerName Domain TotalPhysicalMemory Model Manufacturer
---- ---------------- ------ ------------------- ----- ------------
DESKTOP-0DRJUG2 dmitriano@outlook.com WORKGROUP 34213654528 Z390 AORUS PRO Gigabyte Technology C...
Building QT 6.9.1 on MacOS Sequoia
Determine XCode command line tools version:
pkgutil --pkg-info=com.apple.pkg.CLTools_Executables
version: 16.4.0.0.1.1747106510
volume: /
location: /
install-time: 1750710554
clang --version
Apple clang version 17.0.0 (clang-1700.0.13.5)
Target: x86_64-apple-darwin24.5.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
Squid unexpectedly stopped working
Squid unexpectedly stopped working with my home internet connection. I created a temporary user:
cd /etc/squid/
sudo htpasswd -B squid-password temp
sudo service squid reload
tried the following command
curl -v -x https://developernote.com:3129 --proxy-user temp:<password> -I https://api.ipify.org/
with another internet provider and it succeeded.
(more…)Reducing image size with command line
With the command below
mogrify -path . -strip -quality 50% *.jpg
I reduces the size of the following images
-rwxrwxrwx 1 def def 4.0M Apr 9 16:48 20250409_164822.jpg*
-rwxrwxrwx 1 def def 3.6M Apr 9 16:48 20250409_164831.jpg*
-rwxrwxrwx 1 def def 4.2M Apr 9 16:49 20250409_164902.jpg*
-rwxrwxrwx 1 def def 4.1M Apr 9 16:49 20250409_164910.jpg*
-rwxrwxrwx 1 def def 3.7M Apr 9 16:49 20250409_164917.jpg*
-rwxrwxrwx 1 def def 3.8M Apr 9 16:49 20250409_164924.jpg*
My first attempt to make a video call with PJSIP
Added video codecs to pjsip.conf:
allow=h263p
allow=h263
allow=h264
allow=vp8
see full PJSIP configuration on GitHub.
core show channeltypes
Type Description Devicestate Presencestate Indications Transfer
------------- ------------- ------------- ------------- ------------- -------------
Recorder Bridge Media Recording Channel Driver no no yes no
Announcer Bridge Media Announcing Channel Driver no no yes no
USTM UNISTIM Channel Driver no no yes no
CBAnn Conference Bridge Announcing Channel no no yes no
CBRec Conference Bridge Recording Channel no no no no
PJSIP PJSIP Channel Driver yes no yes yes
AudioSocket AudioSocket Channel Driver no no no no
UnicastRTP Unicast RTP Media Channel Driver no no no no
MulticastRTP Multicast RTP Paging Channel Driver no no no no
IAX2 Inter Asterisk eXchange Driver (Ver 2) yes no yes yes
Local Local Proxy Channel Driver yes no yes no
Surrogate Surrogate channel used to pull channel f no no no no
----------
12 channel drivers registered.
