commandlinefu.com is the place to record those command-line gems that you return to again and again.
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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
Tested in Linux and OSX
Alter "AddHandler php5-cgi .php" and "AddHandler php4-cgi .php" entries to new "AddHandler x-httpd-php5 .php" respective php4 entries in all .htaccess files under /var/www
allows you to use floating point operations in shell scripts
du only accepts lines ending with a NUL, which can be a pain to create. This solves that issue.
The `-q' arg forces tail to not output the name of the current file
You can tell GCC to automatically select optimization commands and produce optimized code for the local machine (the one compiling the code), but you can't normally see what switches have been selected and used unless you append a "-v" and pause compilation.
Shows a less detailed output, made only of the process tree and their pids.
This will download all the phracks! Enjoy!
If you're like some individuals who rely on ndiswrapper and cannot use kismet, this command may be of service.
watch -n .5 "iwlist wlan0 scan | egrep 'ESSID|Encryption'"
watch -n .5 "iwlist wlan0 scan | egrep 'ESSID|Encryption' | egrep 'linksys'"
:-) Hopefully you'll find some dd-wrt compatible routers.
doesn't require "at", change the "2h" to whatever you want... (deafult unit for sleep is seconds)
#Usage: watch timeinsecond "command"
Stores the currently active iptables rules to a file that will be applied upon reboot
If you don't save the rule set it won't be applied during a reboot
Locally watch MySQL process list update every 5s on a remote host. While you watch pipe to a file. The file out put is messy though but hey at least you have a history of what you see.
Enable 'sleep' function in Windows environment where this does not exist, although not exact in time. (there is a delay for each ping) This is a simple way to separate commands with a time-period.