business · Linux · Open Source · Work

How to extend your LVM disk

How to extend a LVM This document is a continuation of LVM made easy, my previous blog This document is on LVM2 and assuming your Linux distribution supports LVM2 This document also assumes you have LVM setup out of /dev/sdb Volume group name is “mail-storage-group” Logical volume name is “mail-storage-lv” And we shall attempt to… Continue reading How to extend your LVM disk

Linux · Open Source · security · Work

How to securely and effectively erase a disk with DD

At times we need to clean up our disks for whatever reason, like installation errors, privacy, security or to clean up an infected file you need a special deleting procedure. Tools like regular delete only remove the inode of the file, which does not touch the data/contents. It is possible to recover these deleted files… Continue reading How to securely and effectively erase a disk with DD

Internet · Linux · Making things work · Networking · Open Source · Work

Setting up backup mail exchange server with sendmail

Setting up backup mail exchange server with sendmail Most systems admin is used to setting up the primary mail server, but many of them (like me) are not used to setup a backup mail server in a regular basis. This is my attempt to create a complete document on setting up a backup mail server… Continue reading Setting up backup mail exchange server with sendmail

Photography · Sky · Work

Sun set again!

Sun set again!, a photo by Saad Faruque on Flickr. Via Flickr: As we move towards the rainy season, the the sky with patch of cloud becomes more colorful during sunset Taken in Bangalore, Cookes town tektab.com

business · Linux · Open Source · Work

Free Clone build of Red Hat enterprise Linux

Once upon a time (not so long ago) Red Hat Binary distribution used to free. Then they changed their business model, decided to charge for the binary and started of the fedora project where free Red Hat binary took off. Soon after Red Hat, removed freely available Linux distribution from circulation and asked us to… Continue reading Free Clone build of Red Hat enterprise Linux

business · document management · Integration · Internet · Linux · Open Source · Windows · Work · world

Email collaboration for enterprises and Zimbra

When we think about email collaboration/unified messaging the first things comes into our mind is Microsoft exchange, probably not because they pioneered email collaboration but because they have great success of with all enterprise segments, more importantly the end users to felt the impact of email collaboration. Microsoft Exchange Server 4.0 was released at 1996… Continue reading Email collaboration for enterprises and Zimbra

business · Integration · Internet · Making things work · Technology · Work

An Introduction to Moodle for business:

Moodle can be used in many types of environments such as in a learning delivery tool in educational institutes, and for business settings  as a community and collaboration tool, can be used for compliance and training. The modular design of Moodle allows it to address wider range of business issues then other most closed source… Continue reading An Introduction to Moodle for business: