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 […]
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How to see system load average in terminal with graphical representation
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. […]
How to install Kazam in Ubuntu
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 […]
Eject Command: Eject DVD-ROM Or CD-ROM In Linux
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
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
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
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 […]
How to install and configure Secure FTP server in Ubuntu 12.04 LTS
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 […]
How to install and configure FTP server in Ubuntu 12.04 LTS
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()
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 […]
Installing Nagios-3.5.0 in CentOS 6.4 using yum
Installing Nagios-3.5.0 in CentOS 6.4 This post is updated version of post “https://sharadchhetri.com/2013/02/27/installing-nagios-3-4-4-in-centos-6-3/”. We will use the new EPEL repo rpm i.e epel-release-6-8.noarch.rpm.(Today I found that in EPEL repo the nagios 3.5 is available and I tested it in my staging machine) Rest of the steps are same Download the EPEL repo in your system […]
How to change mysql default data directory in Ubuntu
How to change mysql data directory in Ubuntu In this tutorial we will learn how to change the default path of mysql data directory. The mysql server bydefault keep the data in /var/lib/mysql . If you want to change its path follow the given below steps. Lets have an overview for changing mysql data directory […]
How to download package using apt-get command in ubuntu
How to download package using apt-get command in ubuntu To download the package in ubuntu with the help of command apt-get use the flag called download Note: download flag will download the given binary package into the current directory. apt-get download package-name eg. apt-get download apache2 This below given is the practical which I did […]
Installing owncloud in Ubuntu 13.04
Installing owncloud in Ubuntu 13.04 In this tutorial we will learn how to install owncloud in ubuntu 13.04. Step 1: Update the apt repo source list sudo echo ‘deb http://download.opensuse.org/repositories/isv:ownCloud:community/xUbuntu_13.04/ /’ >> /etc/apt/sources.list.d/owncloud.list Step 2: Now add the repository key to apt sudo wget http://download.opensuse.org/repositories/isv:ownCloud:community/xUbuntu_13.04/Release.key apt-key add – < Release.key Step 3: Update the system […]
How to install and configure vncserver in Ubuntu
How to install and configure tightvncserver in Ubuntu If you simply install vncserver in Ubuntu and do not edit xstartup file, on remotel vnc access it will not show desktop menu. In this tutorial we will learn how to install and configure vncserver in Ubuntu and also get desktop menu on remote access. The practical […]















