System information

COMMAND
DESCRIPTION

arch
i686
show architecture of machine

uname -r
2.6.9-67.0.15.ELsmp
show used kernel version(1)

dmidecode|more
# dmidecode 2.2
SMBIOS 2.3 present.
39 structures occupying 2026 bytes.
Table at 0×000F6024.
Handle 0×0000
DMI type 0, 19 bytes.
BIOS Information
Vendor: IBM
Version: -[BWE130AUS-1.11]-
Release Date: 10/25/2007
Address: 0xF0F40
Runtime Size: 61632 bytes
ROM Size: 4096 kB
[…]
show hardware system components(SMBIOS / DMI)

hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 3704 MB in 2.00 seconds = 1852.28 […]

Popularity: 21% [?]

When I log via ssh to another machine
# ssh gandalf@rohan.lotr.com
unable to initialize mechanism library [/usr/lib/gss/gl/mech_krb5.so]
the following message appears was appears
rohan.lotr.com sshd[23418]: [ID 530472 auth.error] Kerberos mechanism library initialization error:
Can’t open/find Kerberos /etc/krb5/krb5.conf

Workaround:
Edit /etc/ssh/ssh_config and add the following
Host *
StrictHostKeyChecking no
GSSAPIKeyExchange no
GSSAPIAuthentication no

addthis_url = ‘http%3A%2F%2Fsysinfo.bascomp.org%2F2008%2F03%2F24%2Fssh23593-id-530472-usererror-kerberos-mechanism-library-initialization-error%2F’;
addthis_title = ’ssh%5B23593%5D%3A+%5BID+530472+user.error%5D+Kerberos+mechanism+library+initialization+error%3A’;
addthis_pub […]

Popularity: 52% [?]

when you handful on your windows environment, you must know this
>edit uptime.bat
systeminfo | find “Up Time”
and then save with “alt+f > s > x”
last reboot action here..
> uptime.bat
>systeminfo | find “Up Time”
System Up Time: 3 Days, 19 Hours, 6 Minutes, […]

Popularity: 55% [?]

In database production, the log of listener was grow rapidly, some times if you move the “listener.log” while the listener is up and running, listener will stop writing to log file after you move/delete the “listener.log”, it won’t create new log file.
The listener log status will be ‘off’, You need to start the “listener log” […]

Popularity: 54% [?]

Shmmax parameter is supposed to be the maximum size of a single shared memory segments (and the oracle sga is build out of these shared memory segments).
New to the Solaris 8 release is the modular debugger, mdb(1), which is unique among
available Solaris debuggers because it is easily extensible. Mdb(1) also includes a number of […]

Popularity: 43% [?]

I Recreate the temp tablespace coz my temp tablespace was corrupt,
you can do to the following bellow

c r e a t e temporary tablespace temp2 tempfile ‘/rdbms/temp01/temp2.dbf’ size 10M extent mangement local uniform size 1M;
alter d a t a b a s e default temporary tablespace temp2;
d r o p tablespace temp including […]

Popularity: 26% [?]

Yesterday,
During Installation of Oracle database 9i base on RHEL 4 ES,
I got Found error occurred when create the database using dbca,
and it keeps failing at the same point (Creating data dictionary Views)
This the error number Detail “ORA 29807 - specified operator does not exist”
Workaround;
just ignore the error and DBCA proceeds normally. Once the database is […]

Popularity: 22% [?]

Q. How do I mount ISO FILE, And Read under it?
A. You can Use lofi(7D)/lofiadm the loopback file driver
Mounting an Existing CD-ROM Image Or File image
Use lofiadm to attach a block device to it:
# lofiadm -a /path/to/file.iso
/dev/lofi/1
And Then Use the mount command to mount the image:
# mount -F hsfs -o ro /dev/lofi/1 […]

Popularity: 15% [?]