Every time Ubuntu releases a LTS version that’s the time I spend time on a version upgrade. Spending few hours on upgrading and some underhood stuff once every six months is not for me, so I decided to stick to LTS.
“Bypass” JIRA SSO login when SSO isn’t working
Today I hit a snag when I was attempting to log into one of our JIRA dev environments where SSO unexpectedly wasn’t working properly and it didn’t let me in.
So here’s my workaround.
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The importance of SIM card lock
Do you use Two Factor Authentication with your mobile phone? Do you use your phone as a password recovery option? In case if you are wondering what the hell is two factor authentication, let me simplify it like this. Have you coupled your Gmail/ Facebook/ etc. account with your mobile phone in a way that you receive a ‘code’ that you should enter in the web browser? If so, read on this short note.
Encrypted Volumes: Header Backup is Important!
So I’ve been reading more on cryptsetup man page and found this interesting excerpt:
If the header of a LUKS volume gets damaged, all data is permanently lost unless you have a header-backup. If a key-slot is damaged, it can only be restored from a header-backup or if another active key-slot with known passphrase is undamaged. Damaging the LUKS header is something people manage to do with surprising frequency. This risk is the result of a trade-off between security and safety, as LUKS is designed for fast and secure wiping by just overwriting header and key-slot area.
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Expanding a LUKS encrypted disk image
Yesterday I wrote about How to create an encrypted LUKS disk image.
Today I wanted to experiment more with it. I wanted to try resizing a LUKS volume, and after one failed attempt I found a way. If you still have the disk image of yesterday’s example, just follow me. 🙂
How to create an encrypted LUKS disk image
This could be a great alternative if you have used TrueCrypt encrypted volumes.
I’ve been a TrueCrypt lover for a long time, even after it was allegedly killed. But now I’m starting to think that it’s not a good option for long term safekeeping of my memories. At time point in a future release of Linux if dependencies for TrueCrypt stop working that’s death to my archives. Fortunately we have LUKS since 2004! After using LUKS for a couple of years I think it’s very reliable.
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How to mount lost partitions from a disk image without repairing
I came across a hard disk with a corrupted MBR. In other words, I found a hard disk that lost all of its partitions but files and folders are still there. Tool of my choice in this kind of cases is TestDisk.
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[JIRA] Dev – Where are OSWorkflow Transition Screens?
Found a piece that isn’t well documented. But as usual, I’m explaining my steps and then the solution. It’s no real big deal anyway. 🙂
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[Linux] Tip for heavy users of Ctrl + R
After a lengthy JIRA tip, I’m about to blog a Keyboard Ninja tip for users who do a lot of Ctrl + R thingy to navigate Bash history.
JIRA project migration with Google Spreadsheets
JIRA to JIRA project migration — most of the time this has been a headache when it comes to customer negotiations and compromises.
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