Debian apt commands
I just installed a Debian machine. And since I’m a very longtime RedHat/Fedora man now I’m struggling with the commands […]
Debian
Chromebook
Some Chromebook shortcuts
Some Chromebook shortcuts (this is and probably will always be a work in progress) Shortcuts: Copy a selected piece of […]
Oracle, SQL
Session statistics
You can have a look at v$sesstat (joined with v$staname) to see the value of some statistics at this moment. […]
Privacy
GPG : Signing / verifying
GPG Index As seen in a former article gpg can be used to encrypt and decrypt a message or file. […]
Privacy
GPG : Encrypting / Decrypting
GPG index Finaly …we can start using gpg to encrypt the very secret stuff we need to keep secret for […]
Privacy
Import and sign a public key
GPG index Now I have a private/public key pair, but what to do with it? Ofcourse we want to use […]
Algorithm
Bloomfilters
From time to time I read something and the term “bloomfilter” comes up. This weekend I wanted to know what […]
Index, Oracle
Index Full Scan
Index index I would like to see all values of N, but I would like to see them in order. […]
Index, Oracle
Index Fast Full Scan
Index index Today I want to query our table again. We alter the table so column N is not null. […]
Privacy
GPG : Creating a Private/Public Keypair
GPG index GPG operates with a pair of keys : a public key and a private (or secret) key. The […]