Pulse Secure Client Installation on Linux

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Pulse Secure Client Installation on Linux VPN (Virtual Private Network) is a service that lets you access the restricted area and privately by routing your connection through a VPN server. All VPN solutions provide clients with ability to connect to restricted areas with authentication methods. Pulse Secure is one of the enterprise VPN solution that […]

An Introduction to OpenSSL

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Imagine that you need to send a message to someone. However, you do not know where he is or what his contact detail is. You just know another man who has his contacts that can send your message to him. Internet was designed in a way like the one describe above. The data passes through […]

Do you need to install antivirus programs on Linux?

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I added some key points  about how you can  manage  linux servers and  also decide  whether  install  malware  protection  programs  or not. You should follow some basic  and also  important  security  rules  for  keep  linux servers safe. Update Software with  trusted repositories Remove  Unnecessary  Applications and  services. Beware  about  security and manage  Linux User  Roles […]

Apache Tomcat JDBC Connection Pool configuration for Oracle Real Application Cluster(RAC)

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In this  article we ‘ll focus  on create high-concurrency connection pool for Apache  Tomcat. You can check a  simple  tomcat JDBC connection pool which added  below. We create a TestDB connection  pool which connects  Oracle  Database  server. The  first configuration  that  we notice “factory”. When tomcat  process  reads “javax.sql.DataSource”  it will automatically configure DBCP  and  the  factory  object  […]

RHEL 7 Iptables and Firewalld Problem for Virtulization Server

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Firewalld  is a new  service on RHEL7 which you can use instead  of  iptables. Firewalld  has  a new  userland  interface and also has  a real time  firewall service that  you can  change  config without stopping current connections. There are so  many  benefits and new added  feature  that  we can talk about  but not at  this  […]

Configure Squid Proxy To Forward Package To A Parent Proxy

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Squid is an Open Source Unix-based proxy server for the Web supporting HTTP, HTTPS, FTP, and more. It has extensions like web page caching to reduce bandwidth and improve response times. Squid is provided as free, open source software and can be used under the GNU General Public License. Basically, Squid will act as an […]

Oracle Solaris T-Series & M-Series Sparc Server Comparisons

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I have added  some  comparisons about  T & M Series  Oracle  Sparc Servers. All information has  been  taken from  Oracle  documentation. You can check also  Oracle  Solaris  Engineered  System  from  this  link. The  Processor is  primary driver  that how fast  a  computer  work. Even with the rest  of  system having instantaneous performance  , always  CPU  ‘ll say the […]

Comparisons between Exadata Versions X4-2 X5-2 X6-2

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Obliviously Exadata X6  will be faster and  flexible  then the  earlier version.Here  I have given some   comparisons between  exadata version with  full configuration based on Oracle Documentation.   Metric X4 X5 X6 CPU  2 Twelve-Core Intel® Xeon® E5-2697 v2 Processors (2.7GHz)  1 or 2 processors with 18 Core Intel® Xeon® processor E5-2600 v3 product family […]

Oracle Solaris 11 Network Configuration and New Features

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Oracle  Solaris  introduced two new features  on Solaris 11  which  different  from Oracle  Solaris 10. There are  some changes for “dladm” command  and  also a new  command “ipadm” which will help us  to configure  network interfaces. Instead  of  “ifconfig” changes  made  by “dladm” and  also “ipadm” are  persistend  across reboot. “dladm” helps administrator  two perform […]