ubuntu - How to prevent user from removing lines from a file ( so he could only add lines,never remove) -


i'm trying fight bad habit of wasting time on time-consuming websites such reddit/liveleak etc.

the thing seems work adding line etc/hosts 127.0.1.1 www.reddit.com

it works few days when got nothing edit file , remove line , start wasting life again.

is way make etc/hosts file immune changes delete ? (so able add things when stumble upon website think potential threat time)

it perfect if way delete hosts's immunity deleting lines installing system once again,because wouldnt browse reddit.

it important me , extremely grateful help.

do chmod 644 /etc/hosts on file , chmod root:root /etc/hosts. remove account sudoers file. ask else change root password not know it.

keep in mind can control not other way. way might face problems in other tasks require root privileges.


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