tag:blogger.com,1999:blog-6074822044921090Fri, 13 Jan 2012 11:48:59 +0000SAMBAMySQLSSHPostfixBind DNSVSFTPSELinuxOpenLDAPSecurityFunSysAdminUtilitiesIPTablesSquidNFSBackupApache TomcatLinuxLinksNetworkingSolarisDisk ManagementShell ScriptsInterview TipsUbuntuBashApacheSendmailMonitoringTips n tricksCloud computingOpen Source, Open Blog for techies :o) U can taste Linux &amp; Cloud related info here.http://kiranjith83.blogspot.com/noreply@blogger.com (kiranjith TG)Blogger199125noreply@blogger.comnoOpen Source, Open Blog for techies :o) U can taste Linux &amp; Cloud related info here.Open Source, Open Blog for techies :o) U can taste Linux &amp; Cloud related info here.tag:blogger.com,1999:blog-6074822044921090.post-7421387206117680540Wed, 14 Dec 2011 07:57:00 +00002011-12-14T13:53:15.333+05:30Tips n tricksLinuxSysAdminUtilities <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { http://kiranjith83.blogspot.com/2011/12/new-features-of-yum-in-rhel-61-now-that.htmlnoreply@blogger.com (kiranjith TG)1tag:blogger.com,1999:blog-6074822044921090.post-8312591023826227770Tue, 22 Nov 2011 06:58:00 +00002011-12-14T13:55:16.587+05:30Tips n tricksLinuxSysAdminUtilities <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { colorhttp://kiranjith83.blogspot.com/2011/11/linux-filtering-and-transforming-text.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-4968451086838060944Thu, 10 Nov 2011 07:24:00 +00002011-12-14T13:56:20.448+05:30SecurityLinux <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { colorhttp://kiranjith83.blogspot.com/2011/11/password-policy-rules-in-linux.htmlnoreply@blogger.com (kiranjith TG)1tag:blogger.com,1999:blog-6074822044921090.post-2314054365973425999Wed, 09 Nov 2011 10:12:00 +00002011-11-09T15:43:30.945+05:30LinuxNetworking http://tldp.org/HOWTO/Linux+IPv6-HOWTO/ A better URL explains well. http://kiranjith83.blogspot.com/2011/11/linux-with-ipv6-how-to.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-6753302950739426266Tue, 01 Nov 2011 09:50:00 +00002011-11-01T15:20:30.859+05:30SecurityLinuxSSH http://www.snailbook.com/faq/ All about SSH related issueshttp://kiranjith83.blogspot.com/2011/11/ssh-troubleshooting-and-reference-guide.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-8306673344776324844Tue, 25 Oct 2011 09:43:00 +00002011-10-25T15:13:31.565+05:30LinuxSAMBAA good link explains about SAMBA PDC with LDAP - Click Herehttp://kiranjith83.blogspot.com/2011/10/sambaldap-configuration-rhel5.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-3667603164184105483Mon, 24 Oct 2011 17:12:00 +00002011-10-24T22:42:16.077+05:30Tips n tricksSecurityLinuxSysAdminUtilitiesSSH Remote login using the SSH protocol is a frequent activity in today's internet world. With the SSH protocol, the onus is on the SSH client to verify the identity of the host to which it is connecting. The host identify is established by its SSH host key. Typically, the host key is auto-created during initial SSH installation setup. By default, the SSH client verifies the host key against a http://kiranjith83.blogspot.com/2011/10/how-to-disable-ssh-host-key-checking.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-1251102181540161589Tue, 11 Oct 2011 10:47:00 +00002011-10-11T16:17:41.654+05:30Cloud computing When you think of the beginning of Server Virtualization, companies like VMWare may come to mind. The thing you may not realize is Server Virtualization actually started back in the early 1960’s and was pioneered by companies like General Electric (GE), Bell Labs, and International Business Machines (IBM). The Invention of the Virtual MachineIn the Early 1960’s IBM had a wide range of http://kiranjith83.blogspot.com/2011/10/history-of-virtualization.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-314661482163599344Tue, 11 Oct 2011 09:08:00 +00002011-10-11T14:38:26.395+05:30Cloud computingLinuxUbuntu Grow Your Own Cloud Servers With Ubuntu Have you been wanting to fly to the cloud, to experiment with cloud computing? Now is your chance. With this article, we will step through the process of setting up a private cloud system using Ubuntu Enterprise Cloud (UEC), which is powered by the Eucalyptus platform. The system is made up of one cloud controller (also called a front-end http://kiranjith83.blogspot.com/2011/10/ubuntu-enterprise-cloud-uec-how-to.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-3125163193430411530Thu, 06 Oct 2011 18:26:00 +00002011-10-06T23:56:53.166+05:30Tips n tricksVSFTPLinuxIf you are hosting several web sites, for security reason, you may want the webmasters to access their own files only. One of the good way is to give them FTP access by setup of VSFTPD virtual users and directories. This article describes how you can do that easily. (See also: Setup of VSFTPD virtual users – another approach) 1. Installation of VSFTPD For Red Hat, CentOS and Fedora, you may http://kiranjith83.blogspot.com/2011/10/setup-of-vsftpd-virtual-users.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-1185549822702932500Wed, 05 Oct 2011 10:25:00 +00002011-10-05T15:57:58.595+05:30SecurityLinux The compromise of kernel.org and related machines has made it clear that some developers, at least, have had their systems penetrated. As we seek to secure our infrastructure, it is imperative that nobody falls victim to the belief that it cannot happen to them. We all need to check our systems for intrusions. Here are some helpful hints as proposed by a number of developers on how to http://kiranjith83.blogspot.com/2011/10/hints-on-how-to-check-your-machine-for.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-8503260192093422766Thu, 09 Jun 2011 16:47:00 +00002011-06-09T23:03:23.103+05:30Interview TipsSysAdminUtilitiesNetworking Abstract This white paper discusses ICMPv6 and describes the types of ICMPv6 messages. Introducing ICMPv6 Internet Control Message Protocol (ICMP) is communication method for reporting packet-handling errors. ICMP for IPv6 (ICMPv6) is the latest version of ICMP. All IPv6 nodes must conduct ICMPv6 error reporting. ICMPv6 can be used to analyze intranet communication routes and multicast http://kiranjith83.blogspot.com/2011/06/ipv6-chapter-3-icmpv6.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-7220290496053610037Thu, 09 Jun 2011 16:35:00 +00002011-06-09T23:02:18.918+05:30Tips n tricksInterview TipsNetworking Abstract This white paper discusses IPv6 addressing and compares it with IPv4. It outlines the three types of IPv6 address – unicast, multicast, and anycast. It also discusses types of unicast addresses and IEEE 802 addressing. IPv6 addressing Comparing IPv4 and IPv6 addresses IPv4 contains a 32-bit address space, which provides for 2^32 – or 4,294,967,296 – addresses. The IPv6 128-bit http://kiranjith83.blogspot.com/2011/06/ipv6-chapter-2-addressing-architecture.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-7573617197564240520Thu, 09 Jun 2011 16:09:00 +00002011-06-09T23:00:44.580+05:30Tips n tricksInterview TipsSysAdminUtilitiesNetworking IPv6Total of 3.403×10^38 tottal address in IPV6. IPV6 is a new version of the internet protocol, designed as a successor to ipv4. The changes from IPV4 to IPV6 are predominantly in the following areas:Addressing Header Format Flow Extensions and Options Authentication and Privacy 1. The most significant change in the upgrade from IPV4 to IPV6 is the increase in addressing space from 32 bits tohttp://kiranjith83.blogspot.com/2011/06/ipv6-chapter-1-introduction.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-1525536298059604739Fri, 11 Feb 2011 19:56:00 +00002011-02-12T01:26:57.471+05:30Tips n tricksSysAdminUtilitiesApachehttp://www.howtoforge.com/configuring_apache_for_maximum_performancehttp://kiranjith83.blogspot.com/2011/02/apache-tuning-tips.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-4530588399865860628Tue, 08 Feb 2011 17:33:00 +00002011-02-08T23:03:28.847+05:30Tips n tricksInterview TipsLinux <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2011/02/linux-process-tips.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-3801195191982321146Fri, 14 Jan 2011 18:55:00 +00002011-01-26T22:55:48.287+05:30Tips n tricksSysAdminUtilities <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2011/01/install-packages-via-yum-command-using.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-1316608968835487885Sun, 26 Dec 2010 18:19:00 +00002011-01-26T23:50:26.869+05:30SecurityApacheUbuntu <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/12/installing-and-configuring-modsecurity.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-4951935313074448791Thu, 22 Jul 2010 08:38:00 +00002011-01-27T00:51:42.666+05:30Linux <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/07/howto-10-steps-to-configure-tftpboot.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-335870213093827218Tue, 27 Apr 2010 19:57:00 +00002010-04-28T01:28:47.411+05:30Bashhttp://searchenterpriselinux.techtarget.com/tip/0,289483,sid39_gci1510560,00.html?track=NL-795&ad=763043&asrc=EM_NLN_11432908http://kiranjith83.blogspot.com/2010/04/bash-tip.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-111236075876193446Mon, 15 Mar 2010 14:03:00 +00002010-03-15T19:33:17.891+05:30Postfix <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/03/12-postfix-installing-and-configuring.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-3531682696392167397Wed, 10 Mar 2010 14:19:00 +00002010-03-10T19:49:26.952+05:30Postfix <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/03/11-postfix-mailbox.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-5197801427959890868Mon, 08 Mar 2010 14:41:00 +00002010-03-08T20:11:17.671+05:30Postfix <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/03/10-postfix-virtual-domains.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-4346637354684094699Thu, 04 Mar 2010 14:50:00 +00002010-03-04T20:20:47.710+05:30Postfix <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/03/9-postfix-smarthost-and-nullclient.htmlnoreply@blogger.com (kiranjith TG)0tag:blogger.com,1999:blog-6074822044921090.post-6821025493996758730Wed, 03 Mar 2010 15:03:00 +00002010-03-03T20:33:35.428+05:30Postfix <!-- .command { padding: 1em; border: 1px dashed #2f6fab; color: black; background-color: #f9f9f9; line-height: 1.1em; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .system { color: black; font-family: Courier New, Courier, mono; font-size: 12px; font-style: italic; } .highlight { color:http://kiranjith83.blogspot.com/2010/03/8-postfix-transport-table-smtp-routing.htmlnoreply@blogger.com (kiranjith TG)0en-usnonadult