Route SSH to host through interface
Is it possible to route all outgoing requests for SSH (port 22) to mydynamicdns.afraid.org via wlan0 instead of eth0 when both are connected?
linux
Creating a Debian package that does not remove directories after it’s purged
I’m trying to create a Debian package that doesn’t delete an empty directory after it’s purged. Specifically, I’m creating my own package containing some CA certificates I trust.
Bash script Multiply only numbers from a text file?
I am looking for a bash command that will multiply only numbers from a text file. Below is the content of my text file. I need multiply all numbers by 100.
Why is the size of my IO requests being limited, to about 512K?
I read /dev/sda using a 1MiB block size. Linux seems to limit the IO requests to 512KiB an average size of 512KiB. What is happening here? Is there a configuration option for this behaviour?
How to tell what method was used to log in (Password vs. Keyfile) from the bashrc
Is there a way how you can check what auth method the user which just logged in to an account were using?
Accidentally screwed up permissions big time — what should I do?
Was changing ownership of everything to root the right thing to do?
octal dump of directory
I got a copy of The Unix Programming Environment by Kernighan and Pike from a garage sale. I’m very interested in the chapter about the UNIX filesystem. Naturally, I also found this passage very interesting:
How can I access a deleted open file on Linux (output of a running crontab task)?
I have an hourly hour-long crontab job running with some mtr (traceroute) output every 10 minutes (that is going to go for over an hour prior to it being emailed back to me), and I want to see the current progress thus far.
How to remove a USB drive without worry if its been unmounted?
Sometimes I unplug my usb drive only to find out files were not written to it.