How does the power button shut the computer down without root permission?
When I try to shutdown the computer from a command line or terminal I must have root privileges:
Unix & Linux
Reducing shutdown timeout for “a stop job is running”
I’ve got node.js and pm2 installed on a Pi (Raspbian). PM2 was configured to start via pm2 startup and the init scripts it creates. Sometimes when I reboot, shutdown hangs for a few minutes on:
How many clipboards are in system?
Of the three selections, users should only be concerned with PRIMARY and CLIPBOARD. SECONDARY is only used inconsistently and was intended as an alternate to PRIMARY. Different applications may treat PRIMARY and CLIPBOARD differently; however, there is a degree of consensus that CLIPBOARD should be used for Windows-style clipboard operations, while PRIMARY should exist as a “quick” option, where text can be selected using the mouse or keyboard, then pasted using the middle mouse button (or some emulation of it). This can cause confusion and, in some cases, inconsistent or undesirable results from rogue applications.
How do I remove acpi Warning on boot?
I have this message in dmesg log with linux 3.11.6-1 (2013-10-27) (debian version).
Are if else statement equivalent to logical and && or || and where should I prefer one over the other?
I’m learning about decision making structures and I came across these codes:
What is the regex to validate Linux users?
When adding a new user, how is the string validated?
How Can I Improve the Font Rendering In Firefox
My font rendering in Firefox looks terrible on pages such as facebook.com and twitter.com:
Change global keyboard shortcuts
I use Alt+Space in Emacs, but in Xfce it pops up window manager menu at the upper left corner of a window. How do i disable Alt+Space for Xfce and change global keyboard shortcuts in general?
Replacing missing value blank space with zero
I have input.txt tab-delimited text file around 30K lines, I would like to check each row (s1..s30K lines) for missing value (i.e blank space) and fill the missing value with zero value.See out.txt
Map Super+[Left|Right] to Home/End
How do I map key “Super” so, when combined with Left/Right, it produces keycode Home/End?