Knowledge Base

Most of the yum repos doesn’t include PHP5.5.X on current releases for the time being. So if you need PHP5.5.X, you need to compile and build it for your self. Advise: First of all, you should consider removing php packages from your server before compiling php, but beaware your codes will be visible till you […]

If you need to connect to an MS Sql Server remotely from your DirectAdmin server via php, you need to rebuild PHP with necessary components. Get the latest stable release of FreeTDS and install it. cd /root wget ftp://ftp.astron.com/pub/freetds/current/freetds-current.tgz tar -xvzf freetds-current.tgz cd freetds-dev.0.92.377 ./configure –prefix=/usr/local/freetds make make install Now we should tell Direct Admin’s […]

In our case, we were using postfix via iRedMail and every incoming mail had a delay around 7 minutes. The problem was fixed by disabling the chroot operation in the settings. Edit the file /etc/postfix/master.cf It probably looks like this # ============================================================= # service type private unpriv chroot wakeup maxproc command # (yes) (yes) (yes) […]

This can get quite important when your mail server is blacklisted, or if you somehow want to simply change the outgoing IP address. First of all, check that you DO have another ip address on another interface at the server. Either by ifconfig or anything else. To change the outgoing IP on a postfix mail […]

If you struggled to cope with disk I/O on virtual host machines which runs on Centos or RHEL, there is a great system performance tuning tool named TUNED, comes with different profiles. for installing tuned; yum install tuned -y starting the service permanently; service tuned start chkconfig tuned on service ktune start chkconfig ktune on […]

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 […]