Tips And Tricks
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…
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…
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…
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…
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…
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…
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…
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…
In this post I will share the iptable script in which we will learn How to protect from port scanning and smurf attack in Linux Server. Features Of Script : (1) When a attacker try to port scan your server, first because of iptable attacker will not get any information which port is open. Second…
While installing the psad 2.2.1 I got this error : [*] Could not find make anywhere!!! Please edit the config section to include the path to make. at ./install.pl line 2101 . After checking the perl scipt means install.pl file I found the it was looking for make command. I try to search with command…
Edit the crontab without using crontab -e Target Readers: Linux Newbie Crontab is like a task schedular in linux and unix operating system.I expect you are already little bit aware about crontab. In this post I am sharing the tips to new linuxbie ,how to edit crontab without using “crontab -e” command. As we know…
While working on Django I got this error message “AttributeError: ‘WSGIRequest’ object has no attribute ‘session’” To solve this issue it is just 2 steps away. I hope you already know about how to start and stop the python based django. Step 1: Edit the settings.py file.And add the following line. Replace the FQDN with…
How to put slider shortcode only in home page in WordPress My personal blog is running in wordpress CMS. Today I want to put header on home page only. For this first I installed the WP slider plugin and set the all slides which I need. I got the slide shortcode which can be easily…
WordPress host IP changed not able to open wp-admin and site page looks scattered Today I was working on my Virtual Machine in my laptop and was trying to check some theme options.In Virtual Machine I have set ip address to be taken dynamically from DHCP server.Today my wifi change the ip address of Virtual…
Error: Could not stat() command file ‘/var/lib/nagios3/rw/nagios.cmd’! While working on Nagios Server in Ubuntu 12.04 LTS,I was setting external command and stuck with this error message. To solve the problem follow these commands sudo /etc/init.d/nagios3 stop sudo dpkg-statoverride –update –add nagios www-data 2710 /var/lib/nagios3/rw sudo dpkg-statoverride –update –add nagios nagios 751 /var/lib/nagios3 sudo /etc/init.d/nagios3 start…