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74 votes
7 answers
109k views

How to read in N random characters from /dev/urandom?

13 votes
3 answers
11k views

Why `wc -c` always count 1 more character?

13 votes
2 answers
26k views

How to send a message to a specific pts?

9 votes
7 answers
34k views

Why do I get a 404 Not Found when trying to get server status?

5 votes
2 answers
9k views

How do I SetEnv only for a specific IP in Apache?

2 votes
1 answer
163 views

How do I configure httpd.conf so that scripts inside <perl></perl> only get run if there's a flag parameter in the querystring?

2 votes
2 answers
1k views

What's the difference between a normal/bare git repository? [closed]

0 votes
4 answers
766 views

How do I configure apache to only show if the visitor's IP is a specified one?

0 votes
2 answers
187 views

How do I change the default permission of file created by myself?

0 votes
1 answer
124 views

How to interpret .pl with mod_perl instead of cgi?

0 votes
3 answers
5k views

What's the short cut for fg in linux? [closed]

-2 votes
1 answer
118 views

Which is the case for permission? [closed]

-2 votes
1 answer
2k views

How do I install xcodebuild without root priviledge?