log your activities and output at a linux terminal with script
Bash command script can log the commands and output of a user so you have an accurate record of all activity. to start, create your log file touch mylog start […]
Category Archives: perl
perl script, be useful for me and others (I think)
useful command tools in linux
Frequently Used Ones: alias- Create an alias cal- Display a calendar case- Conditionally perform a command cat Display the contents of a file cat- Display the contents of a file […]
manually install and use perl module locally (without cpan)
I want calculate days, Date::Calc is a good choice. After a list of tests, I drew a chain of dependences Date::Calc => Bit::Vector Carp::Clan => Test::Exception => Sub::Uplevel Dowload all […]
Top 5 FREE Linux Publications
As a linux fan, I think following item will be interesting to some peers (originally posted by Linux Forums) 1 Advanced Bash-Scripting Guide This guide assumes no previous knowledge of […]
transpose one line/lines from row to column using shell (awk,sed)
When manipulating data, sometime, I want transpose 1 line or lines from row to column. for example, from this c1,c2,c3 1,2,3 4,5,6 7,8,9 to that c1,1,4,7 c2,2,5,8 c3,3,6,9 To do […]
Install perl module via CPAN (locally)
Installation of perl module using cpan is very handy. Previously there was a rpm for RH ‘cpam2rpm’, unfortunately, the development for this package ceased. have to go back to native […]
perl and R
Perl Module Statistics-R RSPerl This package provides a bidirectional interface for calling R from Perl and Perl from R. This seems a good solution. Installation of RSPerl via sudo R […]
Convert DOS file to UNIX format
Test file from dos/windoz is annoyingwhen working at linux. The newline character must be converted. Here are a collection of fixes: Use of vi at linux open a text file […]
Statistics in perl
Perl is one of script languages I confidently use it daily. I love it, even addict to it. I use it for data manipulation, basic statistic. There are a number […]
SSH tips: coonection behind firewall
SSH tips connect to PC behind firewall This is a nice working fix. However, I want direct access to my desktop behind firewall via nx. This is on the top […]
