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Jul
7
revised What is so special about Linux permission 004?
not a mask
Jul
7
revised What is so special about Linux permission 004?
remove unnecessary step, making the numbering correct again
Jul
7
suggested approved edit on What is so special about Linux permission 004?
Jul
7
suggested approved edit on What is so special about Linux permission 004?
Jul
7
comment What is so special about Linux permission 004?
The third step is writing, not reading.
Jun
30
revised How to create an unprivileged user in CentOS?
-r implied -M and ignores -d
Jun
30
suggested approved edit on How to create an unprivileged user in CentOS?
Jun
18
comment Do I need a computer science degree to have a successful career in Linux?
Computer Science is almost completely irrelevant to being a Linux sysadmin.
Mar
30
comment Is using “while true” to keep a script alive a good idea?
But then what if the bash script crashes or is killed?
Oct
10
answered Why I can't set on the Debian 64 bit on the Virtual Box
Jun
12
suggested rejected edit on What is the difference between running “bash script.sh” and “./script.sh”?
May
12
suggested rejected edit on Why *not* parse `ls`?
May
9
awarded  Critic
Jan
3
comment How to trigger a system self destruct with a certain password is entered
If it's the NSA you're worried about then dd if=/dev/urandom of=/dev/$HOME isn't going to do much good. Even assuming they're stupid enough to use the operating system instead of removing the disk and reading it directly, there are forensic recovery companies that can get data from a disk that's been overwritten and physically burned.
Oct
28
answered Why do we need the “at” command in Linux?
Aug
13
awarded  Yearling
Aug
8
awarded  Excavator
Aug
8
revised What does “sudo chown -R hadoop:hadoop hadoop” do?
link to man page
Aug
8
suggested approved edit on What does “sudo chown -R hadoop:hadoop hadoop” do?
Jul
17
comment Optimizing a `while` loop
This loop does not consume memory.