nixCraft Linux Sys Admin Blog

Red Hat and Ubuntu Linux Top Enterprise Open-source Software

Posted: 11 Feb 2008 05:11 AM CST

Both distros top in 260 countries; From the report:

Ubuntu and Red Hat Linux are the most used Linux distributions among the 35,000 members of content-management vendor Alfresco’s community, the company found in its second survey of trends in enterprise open-source software usage. Alfresco collected data between July and December of last year, with survey participants coming from 260 countries, according to the company. Fifty percent were from Europe, the Middle East, and Asia, while 24 percent were in the U.S., and 26 percent from other nations, Alfresco said.

=> Red Hat, Ubuntu top vendor’s usage study

Linux Kernel v2.6 Local Root Exploit ( vmsplice ) Found

Posted: 11 Feb 2008 04:16 AM CST

Linux kernel version from 2.6.17 to 2.6.24.1 all are affected because of vmsplice bug. The exploit code can be used to test if a kernel is vulnerable and it can start a root shell.

=> Debian Bug report logs

=> Fix 1 and Fix 2

Debian / Ubuntu Linux Install and Configure Remote Filesystem Snapshot with rsnapshot Incremental Backup Utility

Posted: 11 Feb 2008 04:33 AM CST

Q. I’d like to configure my Debian box to backup two remote servers using rsnapshot software. It should make incremental snapshots of local and remote filesystems for any number of machines on 2nd hard disk located at /disk1 ( /dev/sdb2).

Answer to "Debian / Ubuntu Linux Install and Configure Remote Filesystem Snapshot with rsnapshot Incremental Backup Utility"