Install 7zip & amp; iftop on CentOS7

Install 7zip & iftop on CentOS7

P7zip_15.14.1 compilation and Installation

#!/bin/bashcd /usr/loacal/src wget http://120.52.73.43/jaist.dl.sourceforge.net/project/p7zip/p7zip/15.14.1/p7zip_15.14.1_src_all.tar.bz2yum install bzip2 gcc-c++ libgcc -ytar xvf p7zip_15.14.1_src_all.tar.bz2  -C /usr/local/cd /usr/local/p7zip_15.14.1make all_testmake && make installln -sv /usr/local/bin/7za /usr/bin/

Encrypted compressed file7za/7z a example.7z *.sh -pExtract7z x example.7z [-o/tmp/]

Iftop-0.17 compilation Installation

#!/bin/bashyum install flex byacc libpcap ncurses ncurses-devel libpcap-develcd /usr/loacal/src wget http://www.ex-parrot.com/pdw/iftop/download/iftop-0.17.tar.gztar xf iftop-0.17.tar.gz -C /usr/local/cd /usr/local/iftop-0.17./configure make && make install

• The first line in the iftop output is the traffic scale, which is used to display the bandwidth traffic of the NIC.
• The left and middle columns of the intermediate part record the host that is connecting to the Local Machine. "=>" indicates sending data, and "<=" indicates receiving data, the right column shows the average traffic value of the external IP address connected to the local machine within 2 s, 10 s, and 40 s in real time.

• TX: The sent traffic;
• RX: received traffic;
• TOTAL: TOTAL traffic sent and received;
• PEAK: PEAK traffic data;
• RATES: average connection bandwidth of the last 2, 10, and 40 seconds.