Resizing a lvm partition is straight forward if it doesn’t contain a partition table. Simply do a:
lvresize -L disksize /dev/vg/lv
resize2fs /dev/vg/lv
If it is running a virtual machine like xen with a partition table, how to resize the domU, whether to shutdown domU or not depends largely on the partiton structure. In centos, if you do [...]
To change hostname on a machine quickly
echo ‘hostname’ > /proc/sys/kernel/hostname
logout and log to see the changes.
The proc dir is a pseudo file system. To do it permanently, you need to change /etc/sysconfig/network and /etc/hosts
AP – With an upgrade to its mobile maps, Google Inc. hopes to prove it can track people on the go as effectively as it searches for information on the Internet.
* Thanks kirk for suggesting a bunch of changes. I have implemented quite a few – too wordy to describe them here. If you are interested, see the evolt comments that kirk837 has written.
* Added category to events. This impacted the code and query quite abit.
* Added sms and emailing capability. Email alert is straight [...]
I thought many people know this but sometimes, it is taken for granted and can cause hours of misery.
If you save a text file in windows, you get ^M as new line. In unix, this can cause problems. I was running a script to dump a query into csv and couldn’t quite work out why [...]
