# ~$ mkdir temp
# ~$ cd temp
# ~/temp$ cp ~/x.deb .
# ~/temp$ ar x x.deb
# ~/temp$ tar xf data.tar.gz

(2) in case of C++, use ++ instead of ++. ++ is more efficient when compared to ++ because post increment will result in copy constructor getting called while pre-increment will not.

(3) it’s always better to initialize the member variables of class as part of class construction using member variable constructors.

[^ ]+\((\|;\)

for align c/c++ member variables

make sure to set these values on both the systems.

echo 1000 64000 > /proc/sys/net/ipv4/ip_local_port_range
echo 10 > /proc/sys/net/ipv4/tcp_fin_timeout
echo 1 > /proc/sys/net/ipv4/tcp_tw_recycle
echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse

Please save your self my backing the current setting for reference.

does matching and apply conditions.

cat audit.log | awk ‘ BEGIN { i=0;found=0} { i=i+1; if ( i >= 2430344 ) { regex1=”userGroup”;regex2=”pcl”;result1=0; result2=0; result1=match($9,regex1); result2=match($9,regex2);if ( result1 || result2) { found=1; };regex3=”exit”;result3=0;result3=match($9,regex3); if ( result3 && found) { print $_;found=0 } if (found) { print $_ } } }’ > /tmp/cli.txt

tshark helps to get this going..

you can watch live traffic using tshark command.
tshark -i -R

for e.g. tshark -i any -R sctp would help you to watch sctp traffic live hitting the box on all available interfaces on system

dpkg -S searches all packages and lists the package(s) which have installed the file.

(1) Visited http://www.adddirectoryeasy.com/ and collected the source pages and executes following command;

(2) grep “a href=” web-sites.txt | grep “target=\”_blink\”" | awk ‘{ print $2 }’ | grep -v src | cut -d’=’ -f2 | cut -d’”‘ -f2 | uniq | wc -l > websites.txt