Windows Resource Protection could not perform the requested operation.
Running an sfc /scannow on a Windows Server 2019 Standard server, at about 76% it failed with the following message. Windows Resource Protection could not perform the requested…
Author
Rich
Just another IT guy.
Slow Performance VMware Workstation 17.0.x – Windows 10 / Windows 11
Noticed horrible performance using VMware Workstation 17 on my system. I was running Hyper-V side-by-side, so I decided to nuke Hyper-V and the subsystems from that. Removed the…
Cacti Dell R750 iDRAC Temperature
I've setup a template to monitor a Dell R750 server via configured SNMP access on iDRAC. My server has only two CPU (Intel Xeon Gold 6338N). I did…
PHP real-time system command output
Throwing some notes here for me to remember on having PHP not buffer the output of a long running process so that it provides realtime output to the…
A Port Scanner in C
The following port scanner C code checks approximately 65535 ports in about 15 seconds on-network. #include <stdio.h> #include <stdlib.h> #include <netinet/in.h> #include <string.h> #include <sys/socket.h> #include <arpa/inet.h> #include…
A BOFH Generator in C
// gcc bofh.c -o bofh #include <stdio.h> #include <stdlib.h> #include <time.h> #define NUM_QUOTES 10 const char* bofh_quotes[NUM_QUOTES] = { "No, my powers can only be used for good.",…
Change Windows network share permissions from command line
Grant-SmbShareAccess -Name ShareName -AccountName Administrators -AccessRight Full -ForceGrant-SmbShareAccess -Name "Brother DW2710 series" -AccountName Everyone -AccessRight Change -Force It appears that there is no pre-existing command line tool for…
List top processes using memory from Windows commandline
This seems to do the trick for listing processes by memory usage. I'm most interested in the top 9 processes (I have to figure out why the regexp…
Delete saved passwords for Chrome and Edge from the command line
After implementing a Group Policy to prohibit saving of passwords in Google Chrome and Microsoft Edge, the previously saved passwords are still on the system. To remove these…
mmc – Windows cannot access the specified device, path, or file.
If you get the following error on a Windows Server (possibly desktop client), you can use the local group policy editor to resolve this. It commonly impacts Server…
Website Performance Analysis and Graphing – Debian NodeJS + Puppeteer + Cacti
Looking to capture some performance metrics for website from the Linux command line and eventually get it into Cacti (RRD). Here are my scattered notes on this process.…
Unable to negotiate with port 22: no matching key exchange method found.
Working with an older Cisco ASA, I was not able to directly SSH to the host using SSH on Windows unless I specified the diffie-hellman-group1-sha1 algorithm. PuTTY gives…
Rename Windows Domain
The following procedure shows you how to rename an Active Directory domain.
Reclaiming space from thin provisioned disks in VMware ESXi
This is the procedure that has worked for me. There are various methods dating as far back as 2011 across the internet, but this step-by-step works in my…
Improving Performance and Reliability of Windows Search
I usually hit Winkey and start typing whatever it is I’m looking to start; be it a command prompt, Outlook, explorer, or other installed applications and I rarely…