Author name: admin

linux NFS

be sure nfs server is running, if not, start it define the share, either through file edit of /etc/exports or the gui tool exportfs –a (to share all) mount filesystem on remote server unmount filesystem from remote server exportfs –ua unmount local filesystem if desired service nfs status service nfs start Original post blogged on […]

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Linux LVM

Prepare physical volume (where diskname = sda, sdb, sdc,…) dd if=/dev/zero of=/dev/diskname bs=1k count=1 (NOTE: this is destructive to all data on this disk) blockdev –rereadpt /dev/diskname pvcreate /dev/diskname Prepare Volume Group vgcreate –s 1g my_vol_group /dev/diskname you can modify the extent size during vg creation Create Logical Volume Defined Size lvcreate –Lsize-in-MB –n lv-name

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VERITAS Volume Manager

The following are a very basic information about VERITAS Volume Manager. For more accurate information please read complete VERITAS Volume Manager Manuals. Please don’t perform any instruction unless you know what the outcome is. Important Notes for Installing VERITAS Volume Manager: Check what VERITAS  packages are currently running: # pkginfo | grep –i VRTS Make

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How do I expire, delete tapes from the database?

First you need to make sure that there are no valid images on the tape that you want. NetBackupbinadmincmdbpimmedia -mediaid <TapeNumber> -L If there are no images that you need, expire the tape: NetBackupbinadmincmdbpexpdate -m <TapeNumber> -d 0 -host <MediaServer> -force This expires the images in the media database which resides specifically on the media

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Command Line Interface for NetBackup Reports

Note:<start_date> and <end_date> syntax: MM/DD/YY <start_time> and <end_time> syntax: hh:mm:ss<media_id> is the six-character media identification number Backup Status Report The Backup Status report shows status and error information on jobs completed within the specified time period. If an error has occurred, a short explanation of the error is included.   penv/netbackup/bin/admincmd # ./bperror -U -backstat

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The /etc/skel Directory

When a new user account is created with SAM or useradd, default configuration files are copied from the /etc/skel directory to the new user’s home. Several files are included in /etc/skel by default: /etc/skel/.profile                            # ksh/posix local login script /etc/skel/.login                              # csh

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What Happens When a User Logs In?

Well environment variables used to customize a user’s login environment can be defined from the command line, they are more commonly defined by several scripts that execute during the login process. Typically, three scripts execute during the login process to initialize the user’s environment. The first is a system-wide script maintained by the system administrator

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