Say I create a bridge interface on linux (br0) and add to it some interfaces (eth0, tap0, etc.). My understanding is that this interface act like a virtual switch with all its interfaces/ports that I add to it.
What is DISPLAY=:0 and what does it mean? It isn’t a command, is it? (gnome-panel is a command.) DISPLAY=:0 gnome-panel Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post … Read more
I need to run some program within crontab , but how can the program know about dbus session id ? it’s only available for programs launched by session managers.
Your system is available on a network and you want to protect yourself against brute force attacks, so no one can guess your root account password.
I have a USB barcode scanner at /dev/input/event0 (/dev/input/by-id/usb-Metrologic_Metrologic_Scanner-event-kbd), and scanning a barcode causes it to send keypress events. I’m capturing these keypresses using the libdevinput Ruby library, which works great. The issue is that each barcode is also entered as a username, and subsequently a password on the Raspberry Pi, causing lots of failed login attempts. (The Raspberry Pi will be headless, and inside a microwave.)
My current screen session has 12 open windows on it. It’s been running for weeks… I know I executed an ImageMagick convert command in one of these 12 screen windows sometime last week… is there any way I can easily search through the Bash history of all 12 instances, without closing them or running history | grep convert in all 12 screens?
if I want to count the lines of code, the trivial thing is
According to the bash man page:
In vim, I sometimes have occasion to replace the first few occurrences of a match on a line, but not every one like g would. e.g.:
Maybe I’m overlooking something but is there a way to get your current bash history for the current session you are using like