One thing that's been clear since the launch of Oracle's new Sun SPARC T5 and M5 systems: it got IBM's attention. Judging from their response, they seem to be... I'm going to go with concerned.
nfsstat can be used to examine NFS performance.
nfsstat -s reports server-side statistics. In particular, the following are important:
Oracle Database SQL identifiers are case insensitive by default so
"select Abc from Xyz" is the same as "select abc from xyz". However
the identifier metadata returned to programs like PHP is standardized
to uppercase by default. After executing either query PHP knows that
column "ABC" was selected from table "XYZ".
Following are steps to install memcached from source:
To allow one trusted IP address to access all incoming packets add following line in iptables-precursor:
iptables -A INPUT -s 192.168.2.2 -j ACCEPT
where 192.168.2.2 is the IP address I would like to allow, change the IP address as per your requirement.
After adding above line run following commands to get it updated:
$ source iptables-precursor
$ iptables-save > iptables
In above commands I used relative pats for iptables-precursor and iptables.
Difference between Swapping and Paging in linuxSwapping:
Recover MySQL root password