simple linux commands

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# 1 simple linux commands

webfun


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rename a file:
mv oldfilenam newfilename

list files with size info

ls -s

Hits: 196, Date: 2008-11-11 21:49:55

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# 2 i hope you add more commands here

webfun


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so that we can make a useful linux libarary here!!!
thanks buddies.

Hits: 194, Date: 2008-11-11 21:53:00

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# 3 view help for a command

hans


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for example crontab,

crontab -- help

add -- help after a command name

Is that simple enough?

Hits: 192, Date: 2008-11-11 21:55:02

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# 4 how to exit and save crontab -e ?

hans


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^ x (Ctrl + x)
then select "yes",then press ruturn button if you have changed, or just automatically exit the editor.

Hits: 190, Date: 2008-11-12 03:13:34

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# 5 how to change root password?

webfun


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thanks for your help.

Hits: 178, Date: 2009-01-15 22:14:29

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# 6 I know how to change mysql root password

webfun


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mysqladmin -u root password 'newpassword'

or

mysqladmin -u root -h hostname password 'newpassword'

Hits: 174, Date: 2009-01-15 22:39:11

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# 7 it is easy to change root password

exp


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if you logged in as root, then type passwd
This request enter new password twice.

Hits: 170, Date: 2009-01-15 23:17:21

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# 8 check size of linux partitions

webfun


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use command:
df

the result shows size percentage usage, etc for servera partitions

Hits: 163, Date: 2009-02-19 00:50:27

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# 9 display it in Mega bytes

webfun


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df -H

Hits: 161, Date: 2009-02-19 01:01:41

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# 10 mv command is actually for moving a file

luke1


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for example:
mv afile.tar ./afolder/ afile.tar

this move afile.tar in current folder to a new folder, keep the same file name.

rename a file:
mv oldfilenam newfilename

list files with size info

ls -s Posted by: webfun

Hits: 128, Date: 2009-05-06 00:34:06

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# 11 some more commands for sendmail

webfun


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hostname
mailq
chkconfig sendmail on
netstat -tlpn
find clientmqueue | wc -l
locate mqueue
tail -f /var/log/maillog
service sendmail start
less maillog
echo 'cat /etc/psa/.psa.shadow'
export columns=159 lines=25
sleep 1
echo "Login Done"

Hits: 124, Date: 2009-06-01 23:43:07

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