This is a safe deposit box comparison I composed in December 2017 by comparing Guardian Vaults, Custodian Vaults, Westpac and Commonwealth Bank safe deposit boxes. Be aware that my purpose is to store A4 sized documents so I cannot use the smallest box.
Not every file system do data block checksumming. And the most popular one on Linux ecosystem – ext4 file system – is one of them. That means if there is a silent data corruption occur on the disk, it may not get noticed. The corrupted data may get backed up to the off-site storage device, and by time, the backup will get corrupted after it’s been replaced by up-to-date (corrupted) version. This is potentially dangerous if the data need to be stored for a long period of time.Continue reading “Data integrity – why I choose Btrfs (silent data corruption)”
While changing the password on Cisco Aironet 2800 controller over web-based management interface, it will update the password for the web interface and SSH login of the controller. However, it will not update the SSH login on every access points. This post provides a solution to change the SSH login for all the access points.