Archive: Linux

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 […]

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 […]

Using the NMI Watchdog to detect hangs

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NMI watchdog is available for x86 and x86-64 architectures.In order to use the NMI watchdog, kernel must be  support APIC.For  SMP kernel,APIC support has complied in automatically. For Red Hat APIC is always  compiled and  NMI watchdog  is enabled  by  kernel parameter kernel.nmi_watchdog=1.(I/O APIC).Nmi_watchdog=2 parameter (Locall  APIC) uses for  such as create high precision performance profiling. […]

Linux NFS Behind Firewall

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Configure  NFS Behind  Firewall NFS service needs  rpcbind,which  dynamically assigns  ports for RPC services. Remote Procedure Call (RPC) is a protocol which one process can used to communicate other server without having to understand  network details. So, running  NFS behind  firwall  is completely related  to RPC services firewall rules.To allow a client to acces  NFS […]