Category: Blog for Unix Admin

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Linux Boot loader – GRUB

The function of a boot loader is to locate the Linux kernel, and load it into memory before starting it. Boot loading usually occurs in at least two    stages – the BIOS loads the primary boot loader, which loads a secondary boot loader in order...

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Linux Network Troubleshooting

Network connection problems include slow connections, as well as complete loss of connectivity. Factors that may cause slow connectivity include incorrectly configured domain name system (DNS) settings, inefficiently configured routing tables, inferior cabling, overloaded servers, and network congestion. The same set of factors, as well as...

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Linux: AutoFS Configuration

Autofs Service executes auto-mount daemon for filesystem mounting. The “auto-mount” behaves “mount a filesystem when a client send a request to this daemon” and “unmount it when there’s no request for a long time”. There are two types of automounters in Linux, autofs and AMD.AMD is...

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Most Popular Posts in last 6 months.

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Oracle Enterprise Linux – Configure Raid

RAID (Redundant Array of Inexpensive Disks) defines the use of multiple hard disks by systems to provide increased diskspace, performance and availability. This article solely focuses on implementing RAID1, commonly referred to as mirror disk, whereby two (or more) disks contain identical content. System availability and...

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ORACLE-SUN Hardware Reference

Current trend of System Administration is Remote System Administration, and as a remote system administrator most of us having very less exposure to the Server hardware and their architecture.  For a system administrator it is always beneficial to know about the hardware that he is supporting remotely, this...

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