Long time ago one of my U.S system admin was very security conscious. He asked me to create id_rsa.pub key in server. I created the key with ssh-keygen -t rsa command. And send it him through encrypted email. Next day he wrote me ,what is the ssh key fingerprint ? First let’s have some introduction….
Useful 3 Pastebin links which I mostly use This time I would like to share some information about pastebin which I use.Just take a very good definition from wikipedia : “A pastebin is a type of web application where anyone can store text for a certain period of time. This type of website is mainly…
Introduction When you work on Java or any Java based project , you might need to set JAVA environment variables JAVA_HOME and PATH in Linux. After installing new java (jdk or jre) or latest Java you may have usually find that the version of java is not exactly the same which you have installed. It…
In this tutorial we will learn about,how to install own git server with ssh and http access by using gitolite and gitweb in CentOS.For user management in Git Server,we will use the Gitolite.For showing the repository list on web interface,we will use Gitweb. And Smart HTTP is configured in Apache, to access the Git server…
In this tutorial we will learn how to create own git server.This time I have selected Gitolite for git server and gitweb to display git repositories. Why Gitolite ? Answer: Easy to setup,have user management through command line,very less memory and cpu usage. Why Gitweb? Answer: To display repositories in web interface and view can…
In new server today created a authorized_keys file in /root/.ssh/ directory. After doing ssh first time got the error – Agent admitted failure to sign using the key For solving this issue use the command ssh-add in client machine ssh-add Given below are the outputs from terminal. The solution pretty much straight simple. sharad@mypc:~$ ssh…
How to see system load average in terminal with graphical representation Few days back we wrote on 4 commands to find loadaverage of system. tload is the command through which we can find the loadaverage of system whereas it will show the loadaverage in Terminal with graphical representation. For more details read manpage of tload….
In this post , we will learn how to install Kazam on Ubuntu. A short intro, Kazam is a simple screen recording program that will capture the content of your screen and record a video file that can be played by any video player that supports VP8/WebM video format. Optionally you can record sound from…
Today, we will walk you through how to insert and eject CD-ROM / DVD-ROM through command line in linux system. Yes! this is also true that you do not have to touch CD/DVD ROM eject switch. Basically eject command allows removable media to be ejected under software control. Here, software control is your operating system…
How to configure self signed SSL certificate in owncloud Ubuntu Before directly jumping into this tutorial you must have running owncloud server in your system. I have written it in my previous post,you can learn how to from this link https://sharadchhetri.com/installing-owncloud-in-ubuntu-13-04/ In this tutorial we will learn how to configure self signed ssl certificate in…
How to convert float to integer number In this tutorial we will learn how to convert float to integer number. This tutorial is helpful in bash or shell scripting. For eg. the float value number is 204.47584 and you would like to show only number in integer form means upto 204. So for this use…
How to install and configure FTP server with chroot in Ubuntu 12.04 LTS In this tutorial we will learn how to configure FTP server with chroot enable in Ubuntu 12.04 LTS. Advantage : The ftp user is bounded to login only into home directory ( because of chroot enabled ).The user can’not change directory other…
In this tutorial we will learn how to install and configure VSFTP server.In this practical we will disable the Anonymous login and will allow system user to login with password. This tutorial is 2nd part of the post How to install and configure FTP server in Ubuntu 12.04 LTS Note: We will install the vsftpd…
In this tutorial we will learn how to install and configure vsftpd server in Ubuntu 12.04 LTSWe will configure the FTP server for anonymous user only. Note: We will install the vsftpd 3.0 package after downloading it into the system. We are not going to use “apt-get install” method . The reason it has bug…
500 OOPS: vsftpd: refusing to run with writable root inside chroot() Today I was configuring the vsftp server in Ubuntu 12.04 LTS with chroot enable. But I stuck with issue even I enable the “chroot_local_user=YES ” in /etc/vsftpd.conf Error:500 OOPS: vsftpd: refusing to run with writable root inside chroot() To solve this issue ,I installed…