Monthly Archives: August 2009

GNU/Linux Command – GROUPADD

groupadd — Create a new group Summary : The groupadd command creates a new group account using the values specified on the command line and the default values from the system. Example: [code] # groupadd newgrp -- Create a new group # groupadd -g ...

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GNU/Linux Command – USERDEL

userdel – Delete a user account and related files Summary : The userdel command modifies the system account files, deleting all entries that refer to login. userdel will not allow you to remove an account, if the user is currently logged in. You m…

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GNU/Linux Command – USERMOD

usermod — Modify a user account Summary :The usermod command modifies the system account files to reflect the changes that are specified, like Home dir, password, etc. on the command line. Example: [code] # usermod -d /home2/usr1 usr1 -- Create t...

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GNU/Linux Command – USERADD

useradd — Create a new user. Summary : useradd creates a new user with specified options like username, home dir, group details, password, etc .. Example: [code] # useradd usr1 -- Add new user usr1 with default settings. # useradd usr1 -d /home2/...

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Mahakavi Bharathiar

Mahakavi Subramania Bharathiar[1] (11th Dec 1882 – 11th Sep 1921) was one of the greatest Tamil poets, a prolific writer, philosopher and a great visionary of immense genius. He was also one of the most prominent leaders of the Indian independence…

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Power Saving in Linux

Recently I used the PowerTOP Tool to get an idea about the power aggressive application. Tool is very simple to use and provide lot of useful information on single click. While using this tool, I remembered my struggle to achieve maximum power sav…

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GNU/Linux Command – YES

yes — Print a string until interrupted Summary : It prints the command line arguments, separated by spaces and followed by a newline, forever until it is killed. ‘yes’ can be used to feeds a continuous string of the character to another process a…

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GNU/Linux Command – PS

ps – Report Process Status Summary : ps gives a snapshot of the current processes. Lot of info about the present status like CPU and memory usage, PID, UID, State,.., of the process will be available in the ps output. ps can also be used as a debu…

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GNU/Linux Command – KILL

kill — Sends a signal to processes. Summary : The command kill sends the specified signal to the specified process or process group. If no signal is specified, the TERM signal is sent. Signals are used for inter process communications. Examples :…

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Girish Venkatachalam Articles

Here is some of the APLawrence articles by my friend Girish Venkatachalam: 1. Making of SpamCheetah: http://aplawrence.com/Security/spamcheetah.html 2.How to become a Hacker: http://aplawrence.com/Linux/gv-hacker.html 3. What is P2P? http://aplawr…

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