Percona XtraBackup is an open source, free MySQL® hot backup software that performs non-blocking backups for InnoDB and XtraDB databases. With Percona XtraBackup, you can achieve the following benefits: Backups that complete quickly and reliably Uninterrupted transaction processing during backups Savings on disk space and network bandwidth Automatic backup verification Higher uptime due to faster… Read More
If you have installed Bind DNS Server on Debian or Ubuntu, you probably noticed that all the output will be redirected to /var/log/syslog. We like to have our logs separate for each daemon, so in order to make that change we will need to add some configuration to bind9. First in /etc/bind/named.conf you will need… Read More
If you are using Pfsense Firewall as an OpenVPN endpoint, then chances are, you are aware that you can authenticate your users against multiple types of authentication providers. Beyond that, you can also use authentication providers to allow access to the administration interface of Pfsense itself. In this tutorial I will show you how to… Read More
Redis is an open source, BSD licensed, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. You can run atomic operations on these types, like appending to a string; incrementing the value in a hash; pushing to a list; computing… Read More
If your are creating a custom log and would like to use logrotate, then this tutorial is for you. In this example I will show you how I am using logrotate to rotate a custom log created during Unison File Synchronization. The log file I will be rotating is at: /var/log/unison.log. We will also create… Read More
Angry IP scanner is a very fast IP address and port scanner. It can scan IP addresses in any range as well as any their ports. It is cross-platform and lightweight. Not requiring any installations, it can be freely copied and used anywhere. Angry IP scanner simply pings each IP address to check if it’s… Read More
If you have ever done work with the Government or Military, then you know all too well that in order to access nearly any Government website you need a CAC card. Beyond needing a CAC, your machine needs to have the DOD Root CA’s installed on it as well. There are many sites that provide… Read More
Post revisions in WordPress are a great feature, however some users might not need them especially if they have limited database space, or are using WordPress as a CMS and don’t need auto-save. If this is the case, you can totally disable the post revisions feature in WordPress. This process requires editing wp-config.php located in… Read More
If you have ever patched a software package, for example Postfix using this tutorial, then you probably noticed that on the next apt-get update, apt reports that the package needs updated. Of course we don’t want apt to update the package we just patched so in comes the package hold. You probably know there are… Read More
Google’s web browser Chrome thrilled with extremely fast site rendering, a sleek design and innovative features. But it also gets criticized from data protection specialists, for reasons such as creating a unique user ID or the submission of entries to Google to generate suggestions. SRWare Iron is a real alternative. The browser is based on… Read More