Once an incorrect firmware was loaded into one of the OLTs, because of this, it cyclically rebooted.Continue reading “BDCOM OLT Recovery”
Installation on Linux Ubuntu/Debian:Continue reading “Data Recovery Using Foremost”
The extundelete utility allows you to recover files deleted from ext3/ext4 partitions.Continue reading “Data recovery with extundelete”
Installation on Linux Ubuntu/Debian:Continue reading “Data recovery with testdisk”
I had to restore the D-Link DIR-300NRU/B7 on the inoperative router, which stopped working after turning off the power at the time of the firmware update. In fact, some other D-Link routers can be restored using the method.Continue reading “Restoring D-Link DIR-300NRU/B7 Router”
Once, after the power was turned off, the UPS was discharged, then the generator automatic start did not work because it turned on and off several times, as a result, the server with MySQL was also started and disconnected from the power supply several times, later the tables of different databases were damaged , including the default database with mysql users, as a result, the MySQL daemon did not start.Continue reading “Recovering MySQL InnoDB after power failure”
Once after a power outage, on Cisco Catalyst 6509-E, instead of the main module WS-SUP720-3BXL, only the backup module was launched.
As I found out later, the memory card stopped working and, accordingly, the module could not start the firmware. At this moment on the module all the indicators glowed red.
On the test, I use the Ubuntu Server 14.04.5 LTS system.
And so, on a running system, switch to root user:Continue reading “Transferring a running Ubuntu system to another disk”
The official page for downloading firmware and utilities for recovery – https://www.asus.com/supportContinue reading “Firmware Update and Recovery of Asus RT-N10 Router”
It happened when during the process of updating the firmware of RocketM, NanoBeam, NanoStation and other Ubiquiti devices power was lost, or there were some other problems after which the device could not be accessed via the web interface and it did not work.Continue reading “Ubiquiti (UBNT) device recovery”