Deleting email from the exim queue is unfortunately not that simple. If you have a massive spammer in your system, you can clear the email originating from them with the command below. exim -bpru | tr ‘\n’ + | sed -e “s/++/=/g” | tr -d + | tr = ‘\n’ | grep “spammer@email.com” | awk […]
Last time I get into an embedded project I realised that I am getting tired of USART interface errors and I should definetely switch to a better organized tracing system. While sending debug data or any relevant data through network interface you can use an open source syslog server available through google. I used Syslog […]
Opening an sql connection from your game isn’t really safe. So you should write, use a server software or find another solution like the one I wrote this article. Why you should use http protocol instead of server software doing this ? These software might have bugs and if you don’t know any low level […]
Sometimes when writing your bash scripts, you may need some information about the network, such as the IP addresses, both IPv4 and IPv6, broadcast addresses, netmasks and such. There are two very basic ways of getting the necessary information in Linux systems, you should either choose the ip addr show method, and parse what’s coming […]
In this post, i’m gonna explain how to connect to a LDAP server via using PHP. First i wanna talk about some definitions; LDAP means Lightweight Directory Access Protocol. As you can understand from it’s name, it is a database which uses directory-tree based structure. It’s used by OpenLDAP, Sun Directory Server, Microsoft Active Directory […]
It is not uncommon for you to need the MySQL root password of a server, especially when you’re dealing with hundreds of different servers. Here’s the quickest way to reset it. (Don’t forget that you need to login to your server as root in order to achieve this) 1) Start MySQL in safe mode. 2) […]
This is kind of a common problem and may have several reasons. Sometimes when we simply want to restart the MySQL Server, we can get such an error: ERROR! MySQL server PID file could not be found! First of all, always check if the /tmp partition is full. This can happen when MySQL can’t write […]
Earlier I’ve posted an article describing how to add multiple ip addresses on a single network device. Even though you can add IP addresses on Direct Admin using it’s GUI, unfortunately the GUI fails if the netmask or the gateway is different. So if you have a server running Direct Admin with the IP address […]
Here’s a way to add JSON support for PHP on your CentOS server. yum install php-pear php-devel gcc make pecl install json cd /etc/php.d echo “extension=json.so” >> json.ini service httpd restart After these, you can easily check if it has been installed correctly. Either check your phpinfo() page or execute the following command. php […]
mod_python is one of the easiest ways to use your Python Scripts as web pages. To install mod_python on your Centos 6 server, simply follow the steps below. We also recommend using our LAMP installer, this method can easily be implemented with our installer. To install mod_python, we need the EPEL repositories: rpm –import https://fedoraproject.org/static/0608B895.txt […]