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awarded  Nice Answer
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Apr
13
comment Is there a tool to encrypt a file or directory?
@user1717828 Asymmetric crypto allows that, the encryption key can be made public while the decryption key is kept secret.
Apr
6
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Mar
26
awarded  Guru
Mar
25
comment How to check if a command succeeded?
@Blauhirn [ $? ] (or equivalently, test $?) does not work because $? evaluates to a number (0, 1, etc.) which is not null. See the docs for test: "If EXPRESSION is omitted, ‘test’ returns false. If EXPRESSION is a single argument, ‘test’ returns false if the argument is null and true otherwise."
Mar
25
comment Link clicked not passed to firefox
@tsbertalan It should have been "args", I have corrected it now.
Mar
25
revised Link clicked not passed to firefox
s/ags/args/
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Feb
16
comment How to avoid using sudo when working in /var/www?
@berbt setfacl -d u::rwX,g::rX /var/www has the funny effect that the default mode becomes 0750 (or 0640) even if the umask is zero. It might be a good idea if you want to avoid world-writable files, but if /var/www is already inaccessible by the world it is not needed.
Feb
15
awarded  Great Answer