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Solaris Tips and Tricks
Solaris Tips and Tricks
Another technique for poor man's disk mirroring that allows the 2nd disk to be usable (read hands off as in no messing with vfstab).
Solaris 10 has a new feature boot -m verbose which allows you to customize boot console output.
In case you ever wanted to know what the heck is going on during the boot process. (CC)
If you haven't sat down and figured out what all those scripts do, here is an analysis of Solaris 8 Startup Files.
How can I allow/prevent users from giving files away to someone else?
Want to do something to multiple machines at once? Use the Sun Cluster Console Tool. NOTE: you also need the scripts.jar.
Need help with disk contention problems in a "shared" storage configuration?
Peter Baer Galvin has some Cool Commands to help you get your job done faster and easier.
wgrep is a windowing grep that is useful for grabbing X number of lines before and after a match.
Can't remember what field is what? Just add this header to your crontab.
Scripts
If you are having some problems like cannot determine current directory even if the perms look ok...there is a fix.
NOTE: Flash requires at least Solaris 8 4/01 and does not work well with DiskSuite/softpartitions.
NcFTP and ProFTPD are some handy, secure, configurable FTP servers. Article on configuring NcFTP.
suntype is a script to help determine what model of Sun box you have.
prtdiag is helpful in checking out what state your system is in. (CC)
Solaris 10 has a new Reduced Networking Software Group that you can build up to have exactly what you want in it.
UberJS is designed to help with jumpstarting w/o RARP'ing over the network.
The MR System for Rapid Recovery Toolkit helps you create a mini-root (via JumpStart) that will allow you to access VxVM, Networker, NetBackup, etc.
Libraries (or the lack of them)
coolcommands.com has a searchable database of commands or one-line scripts which provide a function in a UNIX environment.
Celeste Stokely has information and links to just about anything and everything UNIX related.
memconf will tell you what kind of memory is in your Sun box without opening it.
Stale NFS file handle error message?
nddconfig sets network driver parameters to prevent some network attacks.
If I have multiple NIC's, how can I do outbound load spreading for Solaris 8 or have redundant network connections? Sun Answerbook SysAdmin article Sun BluePrints article (PDF)
Where can I find a FREE firewall program for Sol 8? SunScreen is included in Solaris 9.
How can I log or limit/deny certain hosts from telnet/ftp/etc. to my box? Download tcp-wrappers from Sunfreeware.com.
When multiple interfaces are installed and it complains they are not plugged in, you can stop those error messages with setenv tpe_link test false at the ok prompt.
How do I interpret the output of netstat -k?
I have heard that Solaris web servers are slow to serve MS clients? How can I speed up their access?
What if I don't want to use the /etc/defaultrouter file?
How can I reset the default boot-file (or anything else)? set-default boot-file
The Solaris 2 FAQ has been recently updated.
Which OS release am I running? cat /var/sadm/softinfo/INST_RELEASE OR cat /etc/release
If you are tired of using the switcheroo method of editing files with sed to a temp file, then moving them back, take a look at using the inplace editing function of PERL (perl -i -p -e). However, don't edit files that are really softlinks such as /etc/hosts. It breaks the softlink and makes it a real file.
Why do I get some error message about /etc/power.conf?
What is priority paging and why do I need it if I am running pre Solaris 8?
pargs -e will display a process' environment variables
How to reset the A1000/A3x00 configuration if you have been swapping disks with other A1000's or have the orange light on w/o any hardware errors.
Think you have a failing power supply on your A1000/A3000? (CC)
You need to read this Infodoc if you are trying to run RM on Solaris 8. (CC)
Having long boot times (90mins) with >8 LUN support on A1000 and A3x00 configurations? (CC)
The script scsiinfo will displays information about SCSI devices attached to a given system (like probe-scsi, but from the OS).
iostat -En will also provide you with SCSI device information.
WD converts sd instance numbers to logical device names and vice versa.
dmap is a utility from SarCheck that also provides instance numbers/logical device names.
Getspace is a handy little script to grab the used and free space via df -k.
Need to add SCSI disks "hot" or make it see your cdrom (Solaris 7 and earlier)? In Solaris 8, use devfsadm -c disk.
Solaris Security Toolkit FixModes
Where can I find the SE Toolkit?
Please be careful when running virtual_adrian as it will make changes to the kernel following Adrian's rules.
Where can I get the newest version of Solstice DiskSuite that supports soft partitions? The Solaris 8 patch is actually 108693. It is built into Solaris 9 as Solaris Volume Manager. (CC)
If you are running Solaris 2.6/7 and want to use soft partions, you must upgrade to Solaris 8/9. The patch revision (106628-18) has a serious, silent 4 GB bug, so they have withdrawn it.
It is hard to keep all these different names Sun assigns to everything straight. Where can I find a list of all the product aliases for SDS/SVM/etc? (CC)
How do I increase the number of metadevices? Check the DiskSuite FAQ
How do I remove the boot disk from DiskSuite control? Check the DiskSuite FAQ
ClusterSSH allows you to control a number of xterm windows via a single console.
How do I prevent a spurious BREAK (includes terminal server reboot) signal from halting my Sun server? Cisco method (Workaround section) or the Stokely method
If sys-uconfig wipes out your LDAP config files during Flash installs in Solaris 9, you need Patch-ID# 112941. (CC)
How can I change the default telnet banner?
Top is very handy at getting a snapshot of your server.
Top 10 FAQ's about Volume Manager. (CC)
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