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Download all files in a directory using WGET |
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To download all files in the directory using WGET in Linux, the following command can be used
wget -H -r --level=1 -k -p http://www.tldp.org/HOWTO/Serial-Programming-HOWTO/
-r, –recursive Specify recursive download. -l, –level=NUMBER Maximum recursion depth (inf or 0 for infinite). -k, –convert-links Make links in downloaded HTML point to local files. -p, –page-requisites Get all images, etc. needed to display HTML page. |
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Space taken by a directory in Linux OS/Unix |
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Get the space taken by directory for Linux OS/Unix
The following command can be used to get the space taken by directory
du -sh <path of the directory> [gaurav@home]$ du -sh /var/www/ 1.5G /var/www/ |
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Shutdown Linux after pre-determined time |
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This is an alternative for Cron
Issue the following command in terminal:
/sbin/shutdown -h +300
Command Details:
sudo : This is to execute the command as root, you will need the password here.
/sbin/shutdown : Command to shutdown the computer.
-h : This tell the shutdown command to power off i.e. halt.
+300 : The minutes before scheduled shutdown, here it is 300 minutes. Posted from nitinkamath.info
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Search and delete files in Unix |
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This is a useful tip to find and remove some files by searching recursively in a directory and sub directories
This will list down all the *.tmp/*.log files
find . -type f -name "*.tmp" -exec echo {} \;
find . -type f -name "*.log" -exec echo {} \;
This will delete down all the *.tmp/*.log files
find . -type f -name "*.tmp" -exec rm {} \;
find . -type f -name "*.log" -exec rm {} \;
It will be better to list the files first and then delete them, so that we do not miss out any important file |
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How to comment all lines in VI editor ? |
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How to comment all lines in VI editor ?
This can be done with a using a command like 'search and replace'
1.Open the file in 'vi' editor.
2.Press Escape and type :1,$s/^/##/g
3.Press Enter
1,$s/^/##/g can be broken down as
1: To start from 1st line
$s :To end at the last line
/^ : Search for the start of the line
/##:Replace with ##
/g: Replace all occurrences
contributed by : Pratik Shah |
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