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How to check permissions of a specific directory?
I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory?
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How do I create a crontab through a script
...need to add a cron job thru a script I run to set up a server. I am currently using Ubuntu. I can use crontab -e but that will open an editor to edit the current crontab. I want to do this programmatically.
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List of ANSI color escape sequences
On most terminals it is possible to colorize output using the \033 ANSI escape sequence.
5 Answers
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Plot two graphs in same plot in R
I would like to plot y1 and y2 in the same plot.
16 Answers
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Getting Chrome to accept self-signed localhost certificate
I have created a self-signed SSL certificate for the localhost CN. Firefox accepts this certificate after initially complaining about it, as expected. Chrome and IE, however, refuse to accept it, even after adding the certificate to the system certificate store under Trusted Roots. Even though the c...
What must I know to use GNU Screen properly? [closed]
...ving a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What are some analogies and handy tips for remembering binds, etc.?...
Count occurrences of a char in a string using Bash
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ?
5 Answers
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