Category Archives: Solaris / linux

First aid for Panic Dump Analyses on Solaris 10 / 11

1. Creat a “save” panic: # savecore -L 2. Decompress it; # savecore  -vf /var/crash/vmdump.0 3. Load the panic dump in the kernel debugger: /var/crash# mdb -k /var/crash/unix.0 vmcore.0 4. Analyse.. See the processes that were running at the time … Continue reading

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Email notification on Solaris SMF service failures

1. First check that (send)mail works on Solaris # mailx -v   root@localhost </etc/hosts Check that the mail is sent; # mailx ->> if mail does NOT work, make sure the /etc/inet/hosts file contains propper FQDN entries: 127.0.0.1               localhost 192.168.0.100           s11-server1  … Continue reading

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A Simple Role Base Access Control (RBAC) example on Solaris 11

1. create a user “user1″ and assign a password # useradd -d /export/home/user1 -m -s /bin/bash user1 # passwd user1 -> here password “user1234″ is used. 2. Create a role # roleadd -d /export/home/role1 -m role1 # passwd role1 -> … Continue reading

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A Simple Role Base Access Control (RBAC) example on Solaris 10

1. create a user “user1″ and assign a password # useradd -d /export/home/user1 -m -s /bin/bash user1 # passwd user1 -> here password “user1234″ is used. 2. Create a role # roleadd -d /export/home/role1 -m role1 # passwd role1 -> … Continue reading

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The Crossbow Solaris 11 Network Architecture

Crossbow is a wonderfull but complex network architecture that hardly bears any resemblence to the network stack found in previous Solaris relases. Whilst studying Crossbow I created an architectural overview that includes most,- but not all-, network configurations found in … Continue reading

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To setup an Iscsi initiator on Linux

To setup an Iscsi initiator on Linux The instructions below were executed on Red Het E.L. 5.3 x86_64 0. Install scsi-target-utils This comes with the DVD: # rpm -i iscsi-initiator-utils-6.2.0.868-0.18.el5.x86_64.rpm

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To setup pptp vpn debian ipad

To setup pptp vpn debian ipad 0. Get the software: # apt-get install pptpd 1. edit /etc/pptpd.conf localip 192.168.2.250 remoteip 192.168.2.240-245,192.168.2.245

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To install zfs on snow-leopard

To install zfs on snow leopard.txt download the zfs package from: http://zfs.macosforge.org/trac/wiki/downloads OR: https://github.com/dustin/mac-zfs/downloads I used zfs-110 binaries. $ gzcat zfs-119bin.tgz |tar -xvf -

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Authenticated SMTP with Sun JES Messenger

Authenticated SMTP with Sun JES Messenger When nomadic users would like to send emails via their organization’s smtp server, a problem arises around smtp. The pop and imap protocols are well suited for remote users and can be secured by … Continue reading

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Solaris Test LWPS Fork–bombs and Zone – Resource Control

Solaris Test LWPS Fork–bombs and Zone – Resource Control As an end-user create a number of Lightweight processess using the following script which should be located in a test-zone: #!/bin/ksh # Script test-fork-bomb.ksh maxlwps=500

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