More misc linux stuff

cool linux apps

lmms
handbrake
audacity
xbmc
hugin
htop - awesome coloured version of top

how to make a bitnami stack executable (bin file)
chmod 755 filename.bin
./filename.bin

check packet flow on linux with
iptstate
this uses the libnetfilter_conntrack part of linux kernel
It analyses all nics
If you can see traffic on a particular port and you want to see if it is coming from your machine check your /etc/services file to see if a known service is listed for it.
If you need more info use netstat:
netstat -nap
(you can pipe this to grep to analyse specific ports)
netstat -nap | grep ":22\s"

Look at devices
/sbin/lspci
or
/sbin/lspci -vv
for more detail

look for usb only

/sbin/lspci | grep -i usb

you can also run

/sbin/lsusb

Kernel modules are in
/lib/modules//kernel
find the loaded ones using
lsmod

To find out what has been plugged or unplugged query the kernel with
dmesg

check disk space
df

Check io
iostat
or
iostat 5 5 (try 5 times with 5 second pause)

check processes
ps (plus switches)

create a folder
mkdir
or create nested folders
mkdir -p top/onedown/twodown

copy files
cp cheese.txt /folder/cheese.txt


send mail from the command line in linux (ubuntu)

sudo apt-get install ssmtp

Then edit the ssmtp configuration file:

sudo gedit /etc/ssmtp/ssmtp.conf

at the very least set the mailhub
Mailhub=foo.bar.thing.com

to enable 'mail' from the command line install the mail utils:
sudo apt-get install mailutils

then from the command line, any command can be piped to mail:

ls | mister@cheese.com

Compile a linux application from source:
Download source files
unpack to a working directory:
tar xzvf nameoffile.tgz
cd to this folder
To compile:
./configure
make
su -c "make install"

Apps to configure Linux iptables with a GUI:
www.fwbuilder.org
www.simonzone.com/software/guarddog
www.shorewall.net

APT commands

apt-get update
apt-get upgrade
apt-get install
apt-get remove
apt-get clean
apt-get autoclean
apt-get autoremove