Monthly Archives: June 2013

An STP example within GNS3

Configuring a Spanning Tree in GNS3: ———————————— I found that configuring the SPT  was always a bit vague due to the fact that dynamips / dynagen emulate Cisco IOS Routers, not switches. I didn’t find a simple example that tells … Continue reading

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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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