Linux commands

Linux commands

nmap 
----
(scans ports)

iptables 
--------
??

system 
------
(also command)

locate
------
(locates files)
yum install mlocate

NOTEL if there is ans error "locate ca not stat" use updatedb command to build index for search

history
-------
(shows history of command for the curent user)

w
----
mc (midnight commander)

get linux release version
-------------------------
cat /etc/*release*

restart frpm
-------------
/etc/init.d/php-fpm restart

change owner
------------
chown owner-user file
chown owner-user:owner-group file
chown owner-user:owner-group directory
chown options owner-user:owner-group file

chown -R products:products public_html

change persmissions
--------------------
chmod -R 0755 directoryNameHere


Start apache on boot.
--------------------
chkconfig --levels 235 httpd on

Start MYSQLD on boot.
---------------------
chkconfig --level 2345 mysqld on


Troubleshooting 
---------------
top 

to catch the culprit
--------------------
ps aux | grep php
            or mysql
            or httpd (sometimes is named apache)
            or nginx
            
good comands for handling backups
---------------------------------
sleep 
usleep (netter one) 

ZIP
---
 zip -r archivefile.zip papers

delete al files
---------------
rm -rf *