OpenBSD allow user to mount device

OpenBSD has /etc/doas.conf to configure who can play with doas with specific command if we wish.

To allow user1 doing mount and umount without password edit your doas.conf as follow :

permit nopass user1 as root cmd mount

permit nopass user1 as root cmd umount


Using IUP on windows/mingw

IUP is a cross platform GUI library. Last time tried to figure out how to compile an IUP hello world program using codeblocks IDE. After some searching on internet finally managed to compile it. Here is the linker setting used.

Simple Regex

Regex quick reference
[abc]     A single character: a, b or c
[^abc]     Any single character but a, b, or c
[a-z]     Any single character in the range a-z
[a-zA-Z]     Any single character in the range a-z or A-Z
^     Start of line
$     End of line
\A     Start of string
\z     End of string
.     Any single character
\s     Any whitespace character
\S     Any non-whitespace character
\d     Any digit
\D     Any non-digit
\w     Any word character (letter, number, underscore)
\W     Any non-word character
\b     Any word boundary character
(…)     Capture everything enclosed
(a|b)     a or b
a?     Zero or one of a
a*     Zero or more of a
a+     One or more of a
a{3}     Exactly 3 of a
a{3,}     3 or more of a
a{3,6}     Between 3 and 6 of a

options: i case insensitive m make dot match newlines x ignore whitespace in regex o perform #{…} substitutions only once