Search Results for: ftp

YUM vs RPM in Linux

YUM vs RPM in Linux

Posted by | May 16, 2011 | |

Q:I am a Solaris guy I am new to Linux can u please add the difference in installing packages through (( rpm and yum)) .. i am bit confused about these YUM(Yellow dog updater and modifier) is latest model/application in installing RPM packages on Redhat based machines. This YUM comes in to existence due to drawbacks of RPM package management. So whats the drawbacks of this RPM package management and what are the advantage of YUM Sl No. RPM YUM 1 If we want to install an application(Ex: apache), rpm need to install all the packages required for this...

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All about PIPESTATUS internal Variable in Linux

All about PIPESTATUS internal Variable in Linux

Posted by | Mar 27, 2011 | |

This is bit advanced topic, people new to Shell scripting and administration can skip this post. Today I have come across an awesome internal variable to get the piped command output status. Let me explain a scenario which I faced in automating a task. I am executing the following command to get two entries from password file, one entry is google and other  term is vijay. The out put should verify both exit status.. cat /etc/passwd | grep google | grep vijay Let me explain why I require both values.  We create users per project in our FTP server...

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Display date and time for commands executed in linux

Display date and time for commands executed in linux

Posted by | Mar 16, 2011 | |

We can always set time to the commands showed in history command. Why we require to set time for this? This is totally a security measure and used for troubleshooting/fingerprinting a security threat. history command sample output before setting this variable. 466  df -h 467  df 468  exit 469  nfsstat 470  find / -iname *.ppt 471  ftp2 472  man ping 473  ping -R google.com So how to set that? Use inbuilt variable HISTTIMEFORMAT to set the values as shown below #export HISTTIMEFORMAT='%F %T ' %F for setting year/month/day %T for setting time now try to execute history command to...

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My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.