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RAID on Solaris

Commands used to create and manage RAID on Solaris:

metadb

Create the state databases:

metadb -a -f c0d0s4 c0d0s0 c0d0s1
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Managing the NFS server on Solaris

This are the files you have to use for managing an NFS server on Solaris:

/etc/dfs/fstypes
/etc/rmtab
/etc/nfs/nfslog.conf
/etc/default/nfslogd
/etc/default/nfs

The /etc/dfs/dfstab file: (share local directories)

share -F nfs -o rw,root=host2 -d "Share name" /path/to/share

/etc/dfs/sharetab (what I have shared)
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Diffrent solaris commands:

Here are some basic Solaris commands:

Add swap space:
/etc/vfstab
/dev/dsk/c0d0s1 – – swap – no -
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How to migrate a zone in Solaris

This is a tutorial about migrating a zone in Solaris. First, you have to create the manifest. On the host system, use the folowing command and direct the output to a file:

zoneadm -z myzone detach -n > /export/home/myzone-manifest.txt
cd /export/home
tar cf myzone-manifest.tar myzone-manifest.txt
sftp host2 Continue Reading

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How to create zones in Solaris

Here is a quick tutorial for creating zones in Solaris 10. First, you have to create 2 partitions on the disk of your system. Partitions 3 and 4 has to be set to 1 Gb. Use the format utility.

With newfs you can create UFS filesystem on the partitions 3 and 4:

newfs /dev/rdsk/c0d0s3
newfs /dev/rdsk/c0d0s4
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Set up RIP on a simple 3 router network

This is the configuration of RIP protocol on a simple 3 router network.

Router R1 running config

R1#sh running-config
Building configuration… Continue Reading

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How to set up DNS server with BIND on Ubuntu

This tutorial is about setting up DNS on Ubuntu and is the result of lot of documentation, many tutorials and many attempts. Hope you’ll find it usefull.
For installing DNS service on a machine, first thing to do in installing BIND (Berkley Internet Name Daemon):

sudo apt-get install bind9

The next thing to do is to configure bind. Usualy, for this you have to edit named.conf, but in Ubuntu the configuration file for bine is named.conf.local:

sudo /etc/bind/named.conf.local

Now you have to add the zones: Continue Reading

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Simple shell script

This is a simple shell script. This is what it can do:

[1] Display curent time and date
[2] Display files from current folder
[3] Display the calendar
[4] Start an text editor
[5] Harddisk information
[6] Verify resourcesit.com with ping

This is the complete script. Feel free to use or modify as you like to: Continue Reading

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How to set up a static IP address on Ubuntu

After an update, the Network Manager crashed. In this situation, the easyest way to set up a static IP address is to edit the configuration files myself. First, I have to remove the Network Manager.

sudo apt-get remove –purge network-manager

The first file to modify is /etc/network/interfaces:

sudo gedit /etc/network/interfaces

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Subnet mask and wildcard table

This is a subnet mask table. Content:
- the first column shows the number of subnet mask bits.
- the second column shows the resulting subnet mask in dotted decimal format.
- the third column shows the resulting wildcard mask in dotted decimal format.

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