Frequently Used Linux Commands for Java Developer
Many of the software developer’s
work in Linux environment. Below are the list of some frequently used Linux
commands.
1) ls -l :- It displays file or
directory ,size,modified date and time ,file or folder name,its owner and
its permissions.
2) find :-this command used to
find files.
For ex:-To find file in current directory:- find . –name hello.txt
To find file under home directory:- find /home –name hello.txt
3) kill:- To close running
process,you can use kill -9 process_id or kill -15 process_id.
Process_id you can find using ps aux | grep process_name
4) top:- this command will show information like tasks,memory,cpu etc.press q to exit or ctrl+c
5) free:-It display used memory and available memory of the system.
6) kill java process:
ps ax | grep "java" | egrep -v "eclipse" | cut -b1-06 | xargs -t kill
7) free system memory:-
8) pwd or cd - :- it shows
current directory path.
9)To start,stop ,restart my sql
service
start mysql service:-/etc/init.d/mysqld start
start mysql service:-/etc/init.d/mysqld start
stop mysql
service :- /etc/init.d/mysqld stop
restart mysql
service :- /etc/init.d/mysqld restart
10)To start,stop,restart network
start
network service: /etc/init.d/network start
stop
network service: /etc/init.d/network stop
restart
network service: /etc/init.d/network restart
11) set virtual ip address
/sbin/ifconfig eth1:0 <vip> netmask 255.255.255.0
12) ifconfig:-displays your
machines ip addess and all the interfaces details.
13) shortcut key
:ctrl+alt+f1 –displays the terminal which you can use if your GUI gets hanged
up.
14) dhclient:-dhclient reads
the file dhclient.conf for configuration instructions. It then gets a
list of all the network interfaces that are configured in the current system.
For each interface, it attempts to configure the interface using the DHCP
protocol.
For detailed information about
this commands,browse google J
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