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  • send email after mysql backup through bash script in simple way
    Linux

    send email after mysql backup through bash script in simple way

    BySharad Chhetri June 30, 2013June 25, 2026

    send email after mysql backup through bash script in simple way In Facebook group one of the user asked this question “how to send email after mysql backup through bash script”. If you know bash scripting a bit it is just a one liner. It can be write in more advanced form but here I…

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  • Configure Nginx with Django
    Linux

    How to configure Nginx with Django in Ubuntu

    BySharad Chhetri June 28, 2013June 25, 2026

    In this tutorial we will learn how to configure nginx with django project in Ubuntu. Here in this scenario I have already putted the Django Project code in /opt and before this I installed django from its source code. Actually in this scenario the code was developed in staging machine and I moved it to…

    Read More How to configure Nginx with Django in UbuntuContinue

  • Allow wget and yum in iptable
    Linux

    Allow wget and yum in iptable

    BySharad Chhetri June 28, 2013June 25, 2026

    Allow wget in iptable Today when I was trying to do wget from my server I found it did not allow me to do it. Then I check with yum command also and found the error message “Couldn’t resolve host ‘some.domainname.com'”. It seems the iptables rule in Server is not allowing to wget and yum….

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  • How To Protect From w00tw00t.at.blackhats.romanian.anti-sec
    Linux

    How To Protect From w00tw00t.at.blackhats.romanian.anti-sec

    BySharad Chhetri June 27, 2013June 25, 2026

    We purchased some server in Digital Ocean and found the w00tw00t.at.blackhats.romanian.anti-sec attack. The same kind of attack we also found in our AWS EC2 servers. w00tw00t.at.blackhats.romanian.anti-sec is kind of script attack in which attacker try to find the loopholes in phpmyadmin and php with Apache and try to manipulate through URL.The same thing I found…

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  • How to create a file with cat command
    Linux

    How to create a file with cat command

    BySharad Chhetri June 25, 2013June 25, 2026

    How to create a file with cat command Cat command has many use , in my earlier post I wrote about how to see line no. in file with cat command In this example I will guide how simply you can also create a file and write content in it. Steps to follow In this…

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  • master admin password openerp 7.x
    Linux

    master admin password openerp 7.x

    BySharad Chhetri June 25, 2013June 25, 2026

    master admin password openerp 7.0 When I forgot the master admin password of OpenERP I try to find the answer in a few forums and blog but no luck. I searched in Postgres Database and many file. Finally I got the master admin password which was in home directory of OpenERP user in .openerp_serverrc file…

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  • Change the default port number of ssh server
    Linux

    Change the default port number of ssh server

    BySharad Chhetri June 25, 2013June 25, 2026

    Change the default port number of ssh server SSH Default Port no. = 22 To change the default port number of ssh server hardly takes a few steps but with the point of security it is important to change the default port no. 22 After this you can also use the anti port scan script…

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  • How to see line numbers in file through cat command
    Linux

    How to see line numbers in file through cat command

    BySharad Chhetri June 25, 2013June 25, 2026

    How to get line numbers in file through cat command Cat command can be used for many purposes. But do you also know you can see the line numbers in files with the help of cat command. With this method it is easy to troubleshoot or this information is also useful while creating the bash…

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  • How to empty Trash through command line in Ubuntu
    Linux

    How to empty Trash through command line in Ubuntu

    BySharad Chhetri June 21, 2013June 25, 2026

    How to empty Trash through command line in Ubuntu Operating System : Ubuntu 12.10 n l I checked this practical in Ubuntu 12.10 n l . To empty the trash in Ubuntu through command line follow the given steps Step 1 : First check is Trash folder exist. By ls -la command you can see…

    Read More How to empty Trash through command line in UbuntuContinue

  • How to forcefully send mail from mailq in sendmail MTA
    Linux

    How to forcefully send mail from mailq in sendmail MTA

    BySharad Chhetri June 21, 2013June 25, 2026

    How to forcefully send mail from mailq in sendmail MTA Sendmail is one of the open source MTA (Mail Transfer Agent) which is widely use in linux operating system. Many times because of high load average of Mail Server and also due to high no. of deffered emails in mail queue, many emails are not…

    Read More How to forcefully send mail from mailq in sendmail MTAContinue

  • How to change the frontend of Nagios with VShell in Ubuntu and Debian
    Devops

    How to change the frontend of Nagios with VShell in Ubuntu and Debian

    BySharad Chhetri June 21, 2013June 25, 2026

    How to change the frontend of Nagios with VShell in Ubuntu and Debian Here in this tutorial we will learn How to install Nagios V Shell to change the frontend. This is continue of my last post on Installing Nagios in Ubuntu. Kindly read the post. To install Nagios V Shell follow these steps :…

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  • find command to search keyword in files recursively in linux
    Linux

    find command to search keyword in files recursively in linux

    BySharad Chhetri June 19, 2013June 25, 2026

    find command to search keyword in files recursively in linux Find command is one of the system command which is useful to search files and directory. It has many used and you can modify your search by using -exec flag. Here I am using exec with grep command. By below given command you can find…

    Read More find command to search keyword in files recursively in linuxContinue

  • make command not found in linux CentOS Red Hat ubuntu Debian
    Linux

    make command not found in linux CentOS Red Hat ubuntu Debian

    BySharad Chhetri June 19, 2013December 10, 2024

    bash: make: command not found Make command is generally used while installing the package from source code. make utility helps to maintain groups of programs There are four types of lines in a makefile: file dependency specifications, shell commands, variable assignments, and comments. In general, lines can be continued from one line to the next…

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  • How to use grep command to get fixed pattern or exact keyword
    Linux

    How to use grep command to get fixed pattern or exact keyword

    BySharad Chhetri June 19, 2013June 25, 2026

    How to use grep command to get fixed pattern or exact keyword In this post this is a small trick about How to use grep command to get fixed pattern or exact keyword in files. grep command is useful in searching the keyword in files. Without using any flag the grep command will show the…

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  • How to find when Operating system was installed in linux CentOS and Red Hat
    Linux

    How to find when Operating system was installed in linux CentOS and Red Hat

    BySharad Chhetri June 18, 2013June 25, 2026

    How to find when Operating system was installed in linux CentOS and Red Hat This is a short video to know how you can find out on which date the linux was installed. It is applicable to Red Hat based linux distro. Step 1 : First find out the basesystem rpm. rpm -qa|grep basesystem Step…

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