PERC 9 controllers import foreign configuration fails with configuration conflict after replacement
PERC 9 controllers import foreign configuration fails with configuration conflict after replacement PERC H730p R740 SYMPTOMS When importing the preview foreign configuration, a configuration conflict is displayed and the imported are invalid argument. CAUSE The hard drive's configuration is inconsistent with PERC controller current configuration. SOLUTION Poweroff, remove all hard drives, enter the perc controller and clear the configuration. Poweroff, insert all hard drives, enter the...
ERROR 2026 (HY000)
ERROR 2026 (HY000) MySQL 8.0.42 SYMPTOMS TLS/SSL error: self-signed certificate in certificate chain. $ mysql -h192.168.3.68 -P33060 -uroot -pEnter password:ERROR 2026 (HY000): TLS/SSL error: self-signed certificate in certificate chain CAUSE mysql> SHOW VARIABLES LIKE '%ssl%';+-------------------------------------+-----------------+| Variable_name | Value |+-------------------------------------+-----------------+| admin_ssl_ca | ...
APT update gpg error on kali
APT update gpg error on kali Symptoms ┌──(sakura㉿SAKURAYUMENO)-[~]└─$ sudo apt updateGet:1 http://kali.download/kali kali-last-snapshot InRelease [41.5 kB]Err:1 http://kali.download/kali kali-last-snapshot InRelease Sub-process /usr/bin/sqv returned an error code (1), error message is: Missing key 827C8569F2518CC677FECA1AED65462EC8D5E4C5, which is needed to verify signature.Fetched 41.5 kB in 2s (17.2 kB/s)All packages are up to date.Warning: An error occurred during the signature verifica...
Installing Hitachi HDLM Software on Windows Server Core
Installing Hitachi HDLM Software on Windows Server Core HDLM 9.0.1-00 Windows Server 2022,2025 DatacenterCor Copy HDLM software to server. PS C:\Users\sakura> mkdir C:\SoftPS C:\Users\sakura> Copy-Item -Path "E:\assets\software\hitachi\hdlm\DLMforHV_090101.iso" -Destination "C:\Soft\"PS C:\Users\sakura> Copy-Item -Path "E:\assets\software\hitachi\hdlm\HDS VSP GX00 SN410662 D103 122415012300.plk" -Destination "C:\hdlm_license" Performing a new installation of HDLM. PS C:\Users\...
How to Replace a Hard Drive in an Exadata Storage Cell Server (Predictive Failure)
How to Replace a Hard Drive in an Exadata Storage Cell Server (Predictive Failure) Storage Drive Status Indicators There are three status indicators (LEDs) on each drive. Status Indicator Name Icon Color State and Meaning OK/Activity Green - OFF – Power is off or installed drive is not recognized by the system.- STEADY ON – The drive is engaged and is receiving power.- RANDOM BLINK – There is disk activity. Status indicator LED blinks on and off to indicate activity. Fault-Service...
Dracut-initqueue timeout /dev/root does not exist during install CentOS 7 with usb drive
Dracut-initqueue timeout /dev/root does not exist during install CentOS 7 with usb drive CentOS 7 SYMPTOMS SOLUTION Find the usb drive partition label. dracut:/# blkid/dev/sda4dracut:/# reboot Modify grub menu option. inst.stage2=hd:/dev/sda4
Rocky Linux 9.3 fails to boot after V2V Conversion
Rocky Linux 9.3 fails to boot after V2V Conversion V2V, VMware to Hyper-V Rocky 9.3, EFI SYMPTOMS SOLUTION Set the CD/DVD as the first boot device. Get-SCVirtualMachine -VMHost 'HYPER-V-2.sj.com' -Name 'Rocky' | Set-SCVirtualMachine -FirstBootDevice 'SCSI,0,1' Boot from a Rocky installation disc (for example, CD #1 or DVD). Select Troubleshooting -> Rescue a Rocky Linux System. Chose 1 continue. Make the root of your system the root of active system. chroot /mnt/sysroo...
How to Recover SQLServer Database from Suspect Mode
How to Recover SQLServer Database from Suspect Mode Why SQL Database goes into Suspect Mode? The database may go into suspect mode due to one or more of the following reasons: The system's hard disk where database is stored is out of space. The database file is corrupted or damaged. The primary file group of the database is corrupted or missing. The transaction log file is inaccessible or corrupted. MS SQL server shuts down or crashes in the middle of a transaction. The database is termina...
How to Customize ESXi Install ISO
How to Customize ESXi Install ISO ESXi-Customizer (UNSUPPORTED) ・ esxi-customizer a. Select the original VMware ESXi ISO. b. Select an OEM.tgz file, a VIB file or an Offline Bundle. c. Select the working directory. d. Run! ESXi-Customizer-PS ・ esxi-customizer-ps Customizer ISOs ・ H3C OEM ・ LENOVO OEM
Booting into rescue,emergency or recovery mode on ubuntu
Booting into rescue,emergency or recovery mode on ubuntu Ubuntu 22.04 Rescue Mode Hold Shift (for BIOS) or press Esc (for UEFI) during boot to access the GRUB menu. In GRUB, highlight the kernel like Ubuntu and press e to edit. Find the line starting with linux and append: systemd.unit=rescue.target Press Ctrl + X or F10 to boot. Remount root filesystem as read-write. mount -n -o remount,rw / Emergency Mode Hold Shift (for BIOS) or press Esc (for UEFI) during boot to acc...














