http://broersa.wordpress.com/ exec dbms_network_acl_admin.create_acl(acl => ‘resolve.xml’,description => ‘resolve acl’, principal => ‘ABACUS’, is_grant => true, privilege => ‘resolve’); exec dbms_network_acl_admin.assign_acl(acl => ‘resolve.xml’, host => ‘*’); select utl_inaddr.get_host_name(‘116.90.226.210’) from dual; select utl_inaddr.get_host_name(‘mail.abacusnepal.com’) from dual; select utl_inaddr.get_host_name(‘127.0.0.1’) from dual; http://www.liberidu.com/blog/?p=246 DECLARE acl_path VARCHAR2(4000); BEGIN SELECT acl INTO acl_path FROM dba_network_acls WHERE host = ‘host_name’ AND lower_port IS NULL […]
Switching from RHEL 5-server to CentOS 5-everything
It is not hard to switch to CenOS5, just install a couple of rpm packages and your done, but you really do not have to switch. It is possible to add the CentOS repos to your yum configuration. Sample /etc/yum.repos.d/ CentOS5.repo (sample name) file below; [CentOS5 base] name=CentOS-5-Base mirrorlist=http://mirrorlist.centos.org/?release=5&arch=$basearch&repo=os #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 [CentOS5 updates] […]
MySQL Installing and Giving Permission
yum install mysql mysql-devel mysql-server chkconfig –levels 235 mysqld on /etc/init.d/mysqld start netstat -tap | grep mysql It should show a line like this: [root@server1 named]# netstat -tap | grep mysql tcp 0 0 *:mysql *:* LISTEN 2470/mysqld [root@server1 named]# mysqladmin -u root password yourrootsqlpassword mysqladmin -h server1.example.com -u root password yourrootsqlpassword GRANT ALL ON […]
Oracle RAC 11g Release 1 on Linux – (CentOS 5.1 / iSCSI)
http://www.idevelopment.info/data/Oracle/DBA_tips/Oracle11gRAC/CLUSTER_10.shtml
Network Utility
Internet based NETWORK TOOL FOR DOMAIN http://www.internic.net http://www.checkdns.net/quickcheckdomainf.aspx http://network-tools.com/default.asp?prog=dnsrec&host=niec.edu.np http://www.kloth.net/services/ http://openspf.org http://dnsstuff.com www.dnsgoodies.com/ Spam Database check www.dnsbl.info/advanced.asp ,www.sorbs.net/lookup.shtml http://tools.web-max.ca/dsbl.php www.spamcop.net An Introduction to TCP/IP TCP/IP is a universal standard suite of protocols used to provide connectivity between networked devices. It is part of the larger OSI model upon which most data communications is based. One […]