http://www.cyberciti.biz/tips This is a Linux sys admin journal by Vivek about sys admin work, Linux tips & tricks, hacks, news and more. Fri, 03 Feb 2012 22:45:35 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.cyberciti.biz/tips/handling-filenames-with-spaces-in-bash.html http://www.cyberciti.biz/tips/handling-filenames-with-spaces-in-bash.html#comments Tue, 09 Dec 2008 19:18:29 +0000 Vivek Gite http://www.cyberciti.biz/tips/?p=3878 BASH for loop works nicely under UNIX / Linux / Windows and OS X while working on set of files. However, if you try to process a for loop on file name with spaces in them you are going to have some problem. for loop uses $IFS variable to determine what the field separators are. By default $IFS is set to the space character. There are multiple solutions to this problem.]]> http://www.cyberciti.biz/tips/handling-filenames-with-spaces-in-bash.html/feed 47 http://www.cyberciti.biz/tips/debian-php-5-security-issues.html http://www.cyberciti.biz/tips/debian-php-5-security-issues.html#comments Thu, 27 Nov 2008 04:49:16 +0000 Vivek Gite http://www.cyberciti.biz/tips/?p=6093 Debian 5 php5 package has serious security issues as follows: To prevent Denial of Service attacks by exhausting the number of available temporary file names, the max_file_uploads option introduced in PHP 5.3.1 has been backported.]]> http://www.cyberciti.biz/tips/debian-php-5-security-issues.html/feed 2 http://www.cyberciti.biz/tips/shell-scripting-creating-reportlog-file-names-with-date-in-filename.html http://www.cyberciti.biz/tips/shell-scripting-creating-reportlog-file-names-with-date-in-filename.html#comments Sun, 05 Feb 2006 18:31:00 +0000 Vivek Gite http://www.cyberciti.biz/tips/shell-scripting-creating-reportlog-file-names-with-date-in-filename.html Sometime you need to create a shell scripts with output filenames with date in it. For example instead of log file named "secure.log", you can create a filename called "secure-jan-02-06.log" or "secure-DATE-FORMAT.log". The DATE-FORMAT can be set as per requirements: => dd-mm-yyyy => mm-dd-yyyy => yyyy-mm-dd => Month-Day-Year]]> http://www.cyberciti.biz/tips/shell-scripting-creating-reportlog-file-names-with-date-in-filename.html/feed 17 http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-empty-temporary-file-quickly.html http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-empty-temporary-file-quickly.html#comments Wed, 23 Mar 2005 12:38:00 +0000 Vivek Gite http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-empty-temporary-file-quickly.html Use any one of the following command to create temporary empty file names. The first command is special as it use the redirection operator >, the redirection refers to the standard output. So you are creating a new file or destroying existing file:]]> http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-empty-temporary-file-quickly.html/feed 7 http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-temporary-random-file-name.html http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-temporary-random-file-name.html#comments Wed, 23 Mar 2005 12:34:00 +0000 nixcraft http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-temporary-random-file-name.html http://www.cyberciti.biz/tips/shell-scripting-bash-how-to-create-temporary-random-file-name.html/feed 10