SSH Linux

pwd :



Code:

pwd
ls :



Code:

ls


Code:

ls -al


Code:

ls alR
.html

Code:

ls *.html
cd /foldername



Code:

cd /home
cd ..

:



Code:

cd /home/best-sec
best-sec home



Code:

cd ..


Code:

clear
:
: Read Write execute : Owner Group everyone .

chmod Owner Group Everyone .. :

PHP:
0 = --- No permission
1
= --X Execute only
2
= -W- Write only
3
= -WX Write and execute
4
= R-- Read only
5
= R-X Read and execute
6
= RW- Read and write
7
= RWX Read, write and execute


(0) Group Telnet FTP

:

PHP:
chmod 655 [filename] :
chmod 604
[filename] : Html
chmod 705
[directory name] :
chmod 755
[filename] :
chmod 606
[filename] :
chmod 703
[directory name] : Public FTP


.zip File.zip :


Code:

unzip file.zip
.tar file.tar :

Code:

tar -xvf file.tar
.gz file.gz :

Code:

gzip -d file.gz
.tar.gz file.tar.gz :

Code:

gzip -d file.tar.gz
:

Code:

tar -xvf file.tar
pico : Index .

Code:

pico /home/best-sec/public_html/index.html
.

Code:

rm
rm filename.txt : Confirmation
rm -f filename.txt : .

.

Code:

last
.

Code:

w
.

Code:

netstat
IP Port .

Code:

netstat -an
live system processes Uptime

Code:

top
top Shift + M
CPU top Shift + P

Disk usage.

Code:

du
.

Code:

du -sh
cp :

Code:

cp filename filename.backup
filename.backup



Code:

exit
...

:

Code:

netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n