misc tricks and notes

5 files changed, 32 insertions, 2 deletions

diff --git a/electronics/misc.page b/electronics/misc.page
index d092bb5..6503b98 100644
--- a/electronics/misc.page
+++ b/electronics/misc.page
@@ -19,4 +19,11 @@ Random Number Generators
 - `Wikipedia comparison of devices <http://en.wikipedia.org/wiki/Comparison_of_hardware_random_number_generators>`_
 - `Entropy Key <http://www.entropykey.co.uk>`_: a $50 USB key using avalanche
   noise from two P-N junctions; lots of support and features. 
+- Overview of cheap avalanche technique: http://web.jfet.org/hw-rng.html
+- whirlygig CPLD-based source: http://warmcat.com/_wp/whirlygig-rng/
+
+See also:
+
+- http://en.wikipedia.org/wiki/A_Million_Random_Digits_with_100,000_Normal_Deviates
+- http://en.wikipedia.org/wiki/Nothing_up_my_sleeve_number
 
diff --git a/software/freebsd-tricks.page b/software/freebsd-tricks.page
index 80c29d1..009ffa9 100644
--- a/software/freebsd-tricks.page
+++ b/software/freebsd-tricks.page
@@ -27,3 +27,7 @@ Network Tools
 ----------------------
 
 ``iftop`` is great.
+
+vim w/o X11
+------------
+Use the editors/vim-lite package.
diff --git a/software/misc.page b/software/misc.page
index ecedf85..111fd38 100644
--- a/software/misc.page
+++ b/software/misc.page
@@ -148,3 +148,15 @@ From https://gist.github.com/2841832::
     1 ns = 10-9 seconds
     1 ms = 10-3 seconds
     * Assuming ~1GB/sec SSD
+
+Great Hacks
+----------------
+
+HTML as image: http://lcamtuf.coredump.cx/squirrel/
+
+xscreensaver
+-------------
+To lock the screen immediately, do:
+
+    xscreensaver-command -lock
+
diff --git a/software/packages.page b/software/packages.page
index 639c056..f14a0ce 100644
--- a/software/packages.page
+++ b/software/packages.page
@@ -31,10 +31,10 @@ Almost all machines get the following (decreasing minimalism):
     netcat
     ngrep
     tcpdump
-    mtr
 
 If debian-based, add ``build-essential``, ``openssh-server``, ``manpages-dev``,
-and it's ``git-core`` (not ``git``). See also [debian].
+``iproute``, and it's ``git-core`` (not ``git``) and ``mtr-tiny`` (not
+``mtr``). See also [debian].
 
 If it's not a headless machine I add:
 
diff --git a/software/unix-tricks.page b/software/unix-tricks.page
index 34c96d5..293045e 100644
--- a/software/unix-tricks.page
+++ b/software/unix-tricks.page
@@ -38,6 +38,10 @@ server up the working directory as cgi to local host, use::
 
     $ thttpd -p 8080 -h localhost -D
 
+To allow CGI for PHP scripts:
+
+    $ thttpd -p 8080 -h localhost -D -c \*.php
+
 Simple "undelete"
 --------------------
 This oneliner is useful for recovering recently deleted files from unix
@@ -52,3 +56,6 @@ Misc
 ``tput`` is useful for controlling the terminal cursor position, font style,
 etc. 
 
+OpenSSL Primes
+-----------------
+See if a number is prime with ``openssl prime 2011``.