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RH133 Redhat Enterprise Linux System Administration

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Kernel Support. Core support: CPU, Memory, Process. Management , Interrupt/Exception Handling etc. Dynamically Loadable Kernel Modules. Device Drivers. Additional Functionality. User Mode Access to kernel facilities. System Calls and Signals. Filesystem Device Nodes. Network Interfaces. Are not accessed through a device node but instead are accessed. through a “network interface” abstraction. | RH133 Redhat Enterprise Linux System Administration Unit 1 Installation Hardware Overview Kernel Support Core support: CPU, Memory, Process Management , Interrupt/Exception Handling etc. Dynamically Loadable Kernel Modules Device Drivers Additional Functionality User Mode Access to kernel facilities System Calls and Signals Filesystem Device Nodes Network Interfaces Are not accessed through a device node but instead are accessed through a “network interface” abstraction. CPU and Memory Seven Supported Architectures: x86, Itanium2, AMD64/EM64T, S/390, zSeries, iSeries, pSeries. CPU Support on x86 Technical support for more than 2 physical CPUs only on AS variant (may use Hyper-Threading) Up to 32 Physical CPUs with SMP or hugemem kernel. Memory support on x86 Technical support for more than 16 GB on AS or WS Standard i686/athlon kernel: 4GB SMP i686/athlon kernel: 16GB Hugemem SMP kernel: 64GB Preparing to Install Read the RELEASE-NOTES file on the first CD or at http://www.redhat.com Check Hardware Compatibility Redhat Supported Hardware List Hardware compatible with Redhat Linux http://hardware.redhat.com/hcl XFree86 supported video cards. http://xorg.freedesktop.org http://www.x.org/wiki Multiboot systems Redhat Enterprise Linux and the GRUB boot loader can co-exist with other operating systems, including the following: Windows NT/2000/XP/2003 DOS, Windows 3.x/9x/ME NetBSD, FreeBSD and other open systems. Two major issues arise when implementing multiboot systems: Partitioning and the boot process. A boot loader such as System Commander or NTLDR is already on the system and will launch GRUB as a secondary boot loader. Device Node Examples Block devices: hd[a-t] IDE devices sd[a-z]+ SCSI devices fd[0-7] Standard floppy drives md[0-31] software RAID metadisks loop[0-15] loopback devices ram[0-9] ramdisks Character Devices: tty[0-31] virtual consoles ttyS[0-9]+ Serial ports lp[0-3] Parallel Ports null infinite sink ( the bit bucket) zero infinite source of zeros . | RH133 Redhat Enterprise Linux System Administration Unit 1 Installation Hardware Overview Kernel Support Core support: CPU, Memory, Process Management , Interrupt/Exception Handling etc. Dynamically Loadable Kernel Modules Device Drivers Additional Functionality User Mode Access to kernel facilities System Calls and Signals Filesystem Device Nodes Network Interfaces Are not accessed through a device node but instead are accessed through a “network interface” abstraction. CPU and Memory Seven Supported Architectures: x86, Itanium2, AMD64/EM64T, S/390, zSeries, iSeries, pSeries. CPU Support on x86 Technical support for more than 2 physical CPUs only on AS variant (may use Hyper-Threading) Up to 32 Physical CPUs with SMP or hugemem kernel. Memory support on x86 Technical support for more than 16 GB on AS or WS Standard i686/athlon kernel: 4GB SMP i686/athlon kernel: 16GB Hugemem SMP kernel: 64GB Preparing to Install Read the RELEASE-NOTES file on the first CD or at http://www.redhat.com