For those of you who didn’t know, Ntopng is a relatively useful tool if you are looking to monitor different network protocols on your servers. It provides a bunch of tools for monitoring various protocols, traffic variants, and yes, bandwidth across multiple time frames. ntopng is based on libpcap and it has been written in […]
SSL certificate is a must for nowadays e-commerce site whereas newly emerged web server like Nginx has gained so much attention due to its performance when dealing with heavy traffic to the web site. Why do those people choose Nginx? Nginx’s unique architecture makes it easy to handle large number of concurrent connections at one […]
For some weird reason, although the steps are simple, i cannot easily find a single page which gives you the exact steps (only 4) to convert a pfx file to a PEM and a KEY file below are the steps to convert, it will generate an aa_s.key and a aa.pem which you can then use […]
I’ve moved from Ubuntu to Debian on a machine and all my sshfs mounting scripts fail with fuse: failed to open /dev/fuse: Permission denied now. Am I missing something simple? For some reason, Debian configures FUSE to require users to be in the fuse group. Run gpasswd -a username fuse as root, then log out […]
Note: Rackspace Support cannot assist with master-master replication setups due to the complexity of configuration and likelihood of error. As an alternative to direct MySQL master-master replication, consider either our Cloud Databases service or a replication engine like Tungsten for more reliable data replication between database instances. MySQL Master-Master Replication This article is about setting […]
Master-slave data replication allows for replicated data to be copied to multiple computers for backup and analysis by multiple parties. Needed changes identified by a group member must to be submitted to the designated “master” of the node. This differs from Master-Master replication, in which data can be updated by any authorized contributor of the […]
When using backup software, most of them use the versatile tool rsync. With this tool it’s very easy to sync files and directories on the local or a remote host, and thus creating a copy. But most of them do not manage the history of changed and deleted data. Deleted files are also deleted in […]
The following was done on Fedora 14. Keep in mind that the Etckeeper and git specific actions will be similar on whatever platform you’re on. Simply put, Etckeeper automatically revisions your /etc folder. Allows you to compare, commit and revert the changes that have been made. It’ll also allow you to restore files, should you […]
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