In Ubuntu, adding or managing new partition or hard disk should use UUID (Universally Unique Identifier) of the device rather then using the device node name. e.g. /dev/sda2, /dev/hda3, /dev/sda5 and etc. IMHO its advantage compare to the conventional way of mounting device, using /dev/sda or /dev/hda are :
UUID is unique when it comes to [...]
As an BSD & Linux administrator, the command line is where we live. We eat, live & shit at the same place, command line screen. Some times, we can only afford to open a single terminal screen. It’s kind of hard for us to be efficient as most of the time we multitask on a [...]
SQL database are used to store various kind of data in order for future retrieval. But data stored in SQL database is not only for future retrieval, it is also stored in such a way for faster (repeated) retrieval, structured manner in data organization, interchangeable between applications and most importantly, it provides a mean to [...]
The below error was display while trying to ssh or scp to a ssh server :
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: POSSIBLE DNS SPOOFING DETECTED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
The RSA host key for domain-name.com has changed,
and the key for the according IP address xxx.xxx.xxx.xxx
is unknown. This could [...]
Nokia E71 and E63 are great phones, operating on Symbian S60 series operating systems. Its keyboard is easy to type, the LCD is sharp, the keys position are great and most importantly, the battery last long enough, approximately 5-7 days for an average user like me. The phone also comes with a lot of practical [...]
When launching openoffice, it starts to recover some files which previously did not save properly. After it recovers, it just display a message saying it needed to close due to some unexpected error. After retrying to start a few more times, the result is still the same. Reset the profile by using the below instructions [...]
Other then digging /etc/passwd, there are other ways to check a user’s profile on the server. “finger” can also do the same job.
e.g.
finger username
Arrivederci !!!
When organizing files, we often need to make a whole set of directories in order organize the files properly into directories. Most of the time, we will need to make a bunch of sub directories.
e.g.
“cd /directory” then “mkdir leve1“, then “cd /directory/level1” then “mkdir level2“, then “cd /directory/level1/level2” then “mkdir level3” and etc… In fact, [...]
Route table are part of the area to troubleshoot when a connection have problem. Route table can the the most frequent problem to look at after assigning an IP address. Other times, it is mainly for adding additional routes when wireless & wired connection are both in use. This post will attempt to list out [...]
In Linux & FreeBSD, often we need to cd to a directory then ls to find out the files in that directory. Then only to find out we need to go back to the previous directory and do something else, and we will need to type “cd /very/long/directory/name/and/it/is/just/so/not/cool/to/do/“.
