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Posts Tagged: projects

Connect to an Oracle Database using kerberos with python
Jobs failed! Screamed an automatic failure alert in email inbox. Existing python scripts were failing in the server which fetched data from Oracle database. I wondered if the credentials had changed...

Continue reading → kerberos projects python docker oracle database


Find kth largest element in an array
The other day I stumble upon the question to find the kth largest element in the array. At first glance, I thought the solution was trivial. But later I thought that there are multiple ways to achieve efficient solution...

Continue reading → algorithm ruby heap max-heap projects


Encrypted Files in Minix 3

Implemented a new system call in Minix 3 along with the library function that allows it to be called conveniently from a C program. The library interface extends extends file access operations to handle encrypted files.

Reading and writing to a file is done through a system call. The first is to access the "master encryption table" file (/etc/encryptTable) that stores the information about every file that is encrypted within Minix and contains three pieces of information: fs_dev, inode_nr and hashed_pw. The first two information uniquely identifies what file is encrypted and can be obtained from the vnode for the file...

Continue reading → projects minix encrypted-files