Solaris admin

Overview: The Network Administration for the Oracle Solaris 10 Operating System course provides students with the knowledge and skills necessary to perform network administration tasks, such as configuration and troubleshooting of a local area network (LAN). This course also provides hands-on experience with topics, such as Internet Protocol (IP) routing, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), IP version 6 (IPv6) and the Solaris IP Filter firewall. ABOUT ECORPTRAININGS: Ecorp Trainings are one of the best institute providing quality level of training in E-learning process.This is instructor led online training. We also provide corporate training , if group of people interested in same technology. Contact us for detailed course content & register for a free demo. We also provide support in client interviews , resume preparation , ticket resolving. Contact us for custom designed training course by experts exclusively for yourself. We provide training for almost all IT technologies i.e ; JAVA , DOTNET , SAP ,ORACLE , PEOPLESOFT ,HYPERION etc, contact us if you have any particular need. ECORP TRAININGS. Gtalk ID : ecorptrainings Skype ID : ecorptrainings

I often get mails from people asking what are the questions generally asked in Weblogic by interviewers. Generally for an Administrator’s positions, in addition to Weblogic questions, there are a lot of Unix questions and a few questions related to process and case handling. These are the important questions that I cover while interviewing. 1. How do you differentiate between a server hang and server crash issue? When a Server crahes, the JAVA process no longer exists. When the Server is hung, it stops responding. We can use the weblogic.ADMIN utilty to ping the server. In case of a hang situation we can take multiple thread dumps and analyze the cause of hang. 2. What can be the various reasons for a server crash? a) Native IO b) SSL Native Libraries c) JVM d) Supported Configuration e) JDBC Driver issue 3. How do you troubleshoot a crash? JVM crash generates a hs_err_pid file. We need to look into the stack trace of the hs_err_pid file . If the thread is from a native io, we need to disable native io. if the stack trace is from the driver, we need to get in touch with the drive team. Quite possibly its a problem with driver. Changing the type of driver can be a workaround. If the thread shows it coming from an optimzed code, we can turn of optimization. If the stack is from native calls of application, its a bug with the application and it has to b modified. 4. Ho do you troubleshoot Server Hang? We can use java weblogic.Admin PING to check if we get a normal response. We need to take multiple thread dumps with kill -3 pid on unix and CTLR Break on Windows. Analyze the thread dump to find the root cause. 5. What can be the reasons of Server hang? Memory leak, databse query taking a long time to return, Deadlock. 6. What is memory leak? Memory leak is when objects are not romved from the heap even when they are not required. 7. What are the various causes for OUT OF MEMORY? a) Insufficient heap size, not able to match the extra load. b) Objects licing too long, like HTTP Sessions. c) Memory leak in application code. d) Full GC not happening due to JVM Bug. 8. How to troubleshoot and overcome such issues? Gather memory data by enabling GC verbose. If its due to Http Session, timing out http session after certain interval might help. Look into the code for jdbc connection handling. Optimizing the heap size according to the load. 9. When does High CPU Usage occur? It occurs when one process or one thread utilizes unexpectedly high proportion of CPU. 10. How to troubleshoot it? In Solaris environment, we need to take pstack and prstack and see what the threads are doing. In Windows we need to use pslist and process explorer. 11. What is Clustering and what is achieved through it? Clustering is the grouping together of servers for the purpose of high availability and scalability. Load balancing and Failover is achieved. 12. How does Cluster Communication Happen? Members of the Cluster communicate over the Cluster Multicast IP and Port by sending periodic heart beat messages. 13. What is the difference between the Sun JVM and BEA JRockit JVM? The most well know JVM is the implementation from Sun. The Sun JVM is called HotSpot. The Sun JVM is shipped in the Java Developer’s Kit (JDK) and Java Runtime Environment (JRE) from Sun. The BEA JRockit JVM from BEA systems is optimized for reliability and performance for server side applications. To achieve this, BEA JRockit JVM uses technologies such as code generation, hot spot detection, code optimization, advanced garbage collection algorithms and tight operating system integration. 14. TUning JVM Parameters. If you have a single processor, single thread machine then you should use the serial collector (default for some configurations, can be enabled explicitly for with -XX:+UseSerialGC). For multiprocessor machines where your workload is basically CPU bound, use the parallel collector. This is enabled by default if you use the -server flag, or you can enable it explicitly with -XX:+UseParallelGC. If you’d rather keep the GC pauses shorter at the expense of using more total CPU time for GC, and you have more than one CPU, you can use the concurrent collector (-XX:+UseConcMarkSweepGC). Note that the concurrent collector tends to require more RAM allocated to the JVM than the serial or parallel collectors for a given workload because some memory fragmentation can occur.

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Peridot systems Peridot Systems is one of the best training institutes for Software Testing, Oracle 10g/11gDBA, Dot Net 4.0, Salesforce.com, Core Java, J2EE, DB2, Solaris Admin, Websphere, WebLogic, Solaris, LINUX commands in Chennai with placement. We give Job oriented training apart from the theoretical topics. We give 100% Placement assistance and guide the students during their Interview sessions and on their Communication Skills Initiated by a crew of highly competent and expert professionals with an unique objective to bridge the gap between the field of education and IT industry. Peridot is proud to introduce job oriented IT Training courses with globally accredited certification on all platforms that have wider scope in the existing IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind. SharePoint Server 2010 Administration Topics • Introduction to SharePoint 2010 Technologies. • Collaboration and Web Content Management. • SharePoint 2010 Client Integration. • Creating and Configuring SharePoint Web Applications. • Administering Sites and Site Collections. • Architecting a SharePoint Infrastructure. • Installing and Configuring a SharePoint Farm. • Configuring SharePoint Security. • Managing Metadata and Content Types. • Document and Records Management. • Configuring InfoPath and Workflow Services. • Configuring SharePoint Search and Indexing. • Configuring SharePoint Personalization Services. • Introduction to Business Intelligence. • SharePoint Disaster Recovery. Venue: Peridot Systems #84/8 Venkatarathinam Main Street, Venkatarathinam Nagar,Adyar, Chennai - 600 020.(Near Adyar BSNL Telephone Exchange) Contact: 9952954654

Peridot systems Peridot Systems is one of the best training institutes for Software Testing, Oracle 10g/11gDBA, Dot Net 4.0, Salesforce.com, Core Java, J2EE, DB2, Solaris Admin, Websphere, WebLogic, Solaris, LINUX commands in Chennai with placement. We give Job oriented training apart from the theoretical topics. We give 100% Placement assistance and guide the students during their Interview sessions and on their Communication Skills Initiated by a crew of highly competent and expert professionals with an unique objective to bridge the gap between the field of education and IT industry. Peridot is proud to introduce job oriented IT Training courses with globally accredited certification on all platforms that have wider scope in the existing IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind. Weblogic Server Web logic Server Basics • Understanding TCP/IP and HTTP • Web logic Application server • Web logic 10.3 Features • Web logic system administrator Infrastructure • J2EE Components • Servlets • JSP • EJB Weblogic Application Server Installation and configurations • WLS domain Server • Machine • Cluster • Directory structure • Starting WLS • Configuring Domain attributes • Configuring server, cluster • Service configurations • Configuring JMS options • Configuring Database Connectivity • Connection Pools, Data Sources and Multi Pools Application Deployment • Auto Deployment • Deployment tools • Cluster Deployment Load balancing and session replication • Setting up a Cluster across multiple machines • Weblogic Virtual Hosting • Configuring Node Manager, Weblogic Server Logging • Weblogic Server threading model and creating own execute queue Weblogic and J2EE • JMS application • Configuring JMS • Weblogic JNDI WLS and HTTP servers • WLS HTTP server • Plug-in Weblogic Performance Tuning Basics • Reduce the application down time OS ,Network tuning Basics • Techniques to troubleshoot and fix the OOM, Memory leak, Server Hang, Server Crash problems Administration Tools • Web logic java utilities • Licenses,Architecture,Configurations • Monitoring alls the domain resources, Servers, Clusters, JMS, Connection pools etc Application Security • Managing Web Logic Security and Security providers Authorization framework Venue: PeridotSystems #84/8 Venkatarathinam Main Street, Venkatarathinam Nagar,Adyar, Chennai - 600 020.(Near Adyar BSNL Telephone Exchange) Contact: 9952954654

Peridot systems Peridot Systems is one of the best training institutes for Software Testing, Oracle 10g/11gDBA, Dot Net 4.0, Salesforce.com, Core Java, J2EE, DB2, Solaris Admin, Websphere, WebLogic, Solaris, LINUX commands in Chennai with placement. We give Job oriented training apart from the theoretical topics. We give 100% Placement assistance and guide the students during their Interview sessions and on their Communication Skills Initiated by a crew of highly competent and expert professionals with an unique objective to bridge the gap between the field of education and IT industry. Peridot is proud to introduce job oriented IT Training courses with globally accredited certification on all platforms that have wider scope in the existing IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind. Weblogic Server Web logic Server Basics • Understanding TCP/IP and HTTP • Web logic Application server • Web logic 10.3 Features • Web logic system administrator Infrastructure • J2EE Components • Servlets • JSP • EJB Weblogic Application Server Installation and configurations • WLS domain Server • Machine • Cluster • Directory structure • Starting WLS • Configuring Domain attributes • Configuring server, cluster • Service configurations • Configuring JMS options • Configuring Database Connectivity • Connection Pools, Data Sources and Multi Pools Application Deployment • Auto Deployment • Deployment tools • Cluster Deployment Load balancing and session replication • Setting up a Cluster across multiple machines • Weblogic Virtual Hosting • Configuring Node Manager, Weblogic Server Logging • Weblogic Server threading model and creating own execute queue Weblogic and J2EE • JMS application • Configuring JMS • Weblogic JNDI WLS and HTTP servers • WLS HTTP server • Plug-in Weblogic Performance Tuning Basics • Reduce the application down time OS ,Network tuning Basics • Techniques to troubleshoot and fix the OOM, Memory leak, Server Hang, Server Crash problems Administration Tools • Web logic java utilities • Licenses,Architecture,Configurations • Monitoring alls the domain resources, Servers, Clusters, JMS, Connection pools etc Application Security • Managing Web Logic Security and Security providers Authorization framework Venue: PeridotSystems #84/8 Venkatarathinam Main Street, Venkatarathinam Nagar,Adyar, Chennai - 600 020.(Near Adyar BSNL Telephone Exchange) Contact: 9952954654

Peridot systems Peridot Systems is one of the best training institutes for Software Testing, Oracle 10g/11gDBA, Dot Net 4.0, Salesforce.com, Core Java, J2EE, DB2, Solaris Admin, Websphere, WebLogic, Solaris, LINUX commands in Chennai with placement. We give Job oriented training apart from the theoretical topics. We give 100% Placement assistance and guide the students during their Interview sessions and on their Communication Skills Initiated by a crew of highly competent and expert professionals with an unique objective to bridge the gap between the field of education and IT industry. Peridot is proud to introduce job oriented IT Training courses with globally accredited certification on all platforms that have wider scope in the existing IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind. Salesforce Salesforce.com Administrator Essentials & Advanced Administration • Introduction to SalesForce • Security and Identity Confirmation • Salesforce CRM Ideas • Customizing Your Display • Customizing Salesforce CRM Ideas • Enabling Custom Fiscal Years • Managing Salesforce CRM Ideas • Managing Email Templates • Salesforce CRM Content • Managing Record Types • Uploading and Publishing Content • Setting Field-Level Security • Customizing Salesforce CRM Content • Custom Field Types • Custom Button Considerations • Mapping Custom Lead Fields • Managing Workflow Rules • Labeling of a Standard Object • About Archived ActivitiesUser Fields • Defining Custom Report Types • Transferring Records • Setting Up Custom Report Types • Setting Up Web-to-Lead • Salesforce Connect for Microsoft Outlook • Exporting Backup Data • Installing Salesforce Offline • Refreshing Dashboard Data • Managing Your Developer Sandboxes • Scheduling a Dashboard Refresh • Development as a Service • General Permissions • Updating Campaign History • Search Fields • Defining Custom Report Types • Displaying and Editing Campaigns • Deleting Cases • Categorizing Solutions • Creating Custom Object Tabs • Creating Events • Creating Custom List Views • Enabling Territory Management • Google AdWords • Creating and Modifying Presentations in Salesforce CRM Content Course Duration : 24 Hrs SalesForce Development (Certified Force.com Developer) • Creating an App with Point-and-Click Tools • Creating Custom Objects • Creating Custom fields • Creating a Tab • Creating an Application • Creating an App with the Force.com IDE • Creating a project in IDE • Creating Custom Objects in IDE • Creating Custom fields in IDE • Creating a Tab in IDE • Creating an Application in IDE • Testing Application • Using Formulas and Validation • Creating field validation • Creating Formula fields • Creating address field using Formula field • Using Workflow and Approvals • Creating Users • Creating Email Templates • Creating Workflow Testing Workflow • Creating an Approval Process • Testing Approval Process • Apex • Creating an Apex Class • Creating an Apex Trigger • Testing the Trigger • Visualforce • Visualforce Developer Mode • Creating Visualforce Page • Creating custom view • Creating Visualforce Controller • Displaying data table on Visualforce Page • Adding Tests to Your Application • Working with Force.com Sites • Registering Force.com domain name • Creating Force.com site • Testing site • Adding Email Services • Downloading and Deploying an App Using Code Share • Packaging and Distributing an Application • Create a Package • Add components to your package • Uploading Package • Installing package Venue: PeridotSystems #84/8 Venkatarathinam Main Street, Venkatarathinam Nagar,Adyar, Chennai - 600 020.(Near Adyar BSNL Telephone Exchange) Contact: 9952954654

Peridot systems Peridot Systems is one of the best training institutes for Software Testing, Oracle 10g/11gDBA, Dot Net 4.0, Salesforce.com, Core Java, J2EE, DB2, Solaris Admin, Websphere, WebLogic, Solaris, LINUX commands in Chennai with placement. We give Job oriented training apart from the theoretical topics. We give 100% Placement assistance and guide the students during their Interview sessions and on their Communication Skills Initiated by a crew of highly competent and expert professionals with an unique objective to bridge the gap between the field of education and IT industry. Peridot is proud to introduce job oriented IT Training courses with globally accredited certification on all platforms that have wider scope in the existing IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind. SAP FICO Introduction to SAP R/3 Financial Accounting Basic Settings: General Ledger Accounting: Accounts Payable Accounts receivable: Asset Accounting New General ledger accounting: Integration Integration of financial accounting with materials management: Integration of financial accounting with sales and distributioin: CONTROLLING Basic settings for controlling Cost element accounting: Cost Center Accounting Internal Orders Profit Center Accounting Profitability analysis Product costing:. Venue: PeridotSystems #84/8 Venkatarathinam Main Street, Venkatarathinam Nagar,Adyar, Chennai - 600 020.(Near Adyar BSNL Telephone Exchange) Contact: 9952954654

10 Linux and UNIX Interview Questions and Answers asked in Wipro TCS Capegemini UNIX and Linux Interview Questions and Answers Questions from various UNIX operating systems e.g. Solaris, Linux, IBM AIX or any other UNIX operating system is asked on different support and programming interviews. I have always seen few interview questions from Linux and UNIX along with SQL in almost every Java programming interviews. You just can not afford not to prepare questions from UNIX and Linux until your Job absolutely doesn't require any work in UNIX operating system. I have collected many UNIX command interview questions and already shared them but I found that except system admin jobs, many programming job interviews only focus on general UNIX commands e.g. chmod, find or grep and fundamentals like finding files and directories, managing file space, networking commands, checking process status and managing file permissions. In this article we will see such kind of frequently asked interview questions and answers from UNIX and Linux operating System. Questions are very fundamental in nature and not limited to Linux only and equally applicable to other UNIX operating systems e.g. Solaris, IBM AIX etc. Many of these UNIX questions are asked during various interviews on companies like TCS, Infosys, Citibank , Wipro, Capegemini and Tech Mahindra. But as I said they are very fundamental and can be asked in any company. UNIX and Linux Interview questions answers

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