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SSH is a powerful tool which often grants a lot of access to anyone using it to log into a server. In this post, I’m going to talk about a few different ways that you can easily improve the security of your SSH model without needing to deploy a new application or make any huge changes to user experience.
This article is about how pipes are implemented the Unix kernel. I was a little disappointed that a recent article titled “How do Unix pipes work?” was not about the internals, and curious enough to go digging in some old sources to try to answer the question.
he /sbin/mount.nfs helper program is provided by nfs-common. You can install it with:
sudo apt install nfs-common
sudo mount 192.168.1.5:/home/shared /mnt/common
sudo fdisk -l /dev/sdd
sudo mdadm --examine /dev/sdd4
sudo mdadm -A -R /dev/md9 /dev/sdd4
sudo mount /dev/md9 /mnt/old_hdd/
In the 1960s-1970s, Ken Thompson co-invented the UNIX operating system along with Dennis Ritchie at Bell Labs. He also worked on the language B, the operating system Plan 9, and the language Go. He and Ritchie won the Turing Award. He now works at Google. He’ll be interviewed Brian Kernighan of “K&R” fame. This talk took place May 4, 2019. Videography courtesy of @thegurumeditation (Facebook), @thegurumeditate (Twitter)
Parameter expansion is the procedure to get the value from the referenced entity, like expanding a variable to print its value. On expansion time you can do very nasty things with the parameter or its value. These things are described here.
A screencast tool to display your keys, inspired by Screenflick.
This is an almost-complete rewrite of screenkey 0.2, featuring:
Several keyboard translation methods
Key composition/input method support
Configurable font/size/position
Highlighting of recent keystrokes
Improved backspace processing
Normal/Emacs/Mac caps modes
Multi-monitor support
Dynamic recording control
Switch for visible shift and modifier sequences only
Repeats compression
Countless bug fixesA screencast tool to display your keys, inspired by Screenflick.
This is an almost-complete rewrite of screenkey 0.2, featuring:
Several keyboard translation methods
Key composition/input method support
Configurable font/size/position
Highlighting of recent keystrokes
Improved backspace processing
Normal/Emacs/Mac caps modes
Multi-monitor support
Dynamic recording control by pressing both control keys
Switch for visible shift and modifier sequences only
Repeats compression
Countless bug fixesShows the current Version and Service Level of the installed DB2® product. Output from this command goes to the console by default.
What Fix-pack(s), Component-refresh(s), and/or iFixes are installed in a given IBM Connections deployment?