My Blog » UNIX

Solaris 10 8/11 (update 10)

cw — Tue, 19 Apr 2011 16:59:54 +0000

So I guess next version/update of Solaris will be released in August of 2011? Solaris 10 8/11 (update 10). Such a long wait, I was hoping to see it earlier. Wanted to play with zfs new features, especially dedupliication. Oh well, will have to wait since I cant move to either open solaris oe solaris [...]

On Solaris Server sendmail only does respond to 127.0.0.1 (localhost) interface by default.

cw — Fri, 05 Nov 2010 20:24:29 +0000

Posted in Solaris SUN UNIX

So I upgraded my solaris server to latest kernel patch and of course it had sendmail as part of that kernel. My emails stopped flowing around. Was looking how to fix it as my home server is my default mail gateway for my email. So anyway in my sendmail config I had the following lines: [...]

How to: Mount an ISO image under Linux

cw — Sat, 15 May 2010 18:17:04 +0000

Posted in Linux

Procedure to mount ISO images under Linux 1) You must login as a root user 2) Create the directory i.e. mount point: # mkdir -p /mnt/temp_disk1 3) Use mount command to mount iso file called disk1.iso with loop option: # mount -o loop disk1.iso /mnt/temp_disk1 Now you should be able to access all the files [...]

virtual server on my rhel 5 not starting

cw — Sat, 25 Jul 2009 13:27:54 +0000

Posted in Linux Opsware SAS OS

Sometime ago installed my RedHat 5 with xen. Then I needed to create a virtual server running RedHat 4 in it, all needed to be 64 bit because Opsware required 64 bit RHEL AS4, so had to come up with an inexpensive solution. Got Intel Quad from Dell for $400 with 8gb ram, inexpensive desktop, [...]

Freshly installed RedHat – Root logins are not allowed

cw — Mon, 04 May 2009 21:39:41 +0000

Posted in Linux

Just installed Red Hat AS4 and I am unable to login with root account. Passwd is all set but I am getting popup message saying “Root logins are not allowed”, simple solution is to press CTRL+ALT+F1 and switch to console login and you will be on your way Nice and simple.

Solaris 10 U7 released :)

cw — Mon, 04 May 2009 19:26:48 +0000

Posted in 10 Solaris

So Sun, ups, I think I should say Oracle released Solaris 10 U7. Here are the few things what I did find whats new: •System Resources Enhancement - Support Added for Using ZFS Clones When Cloning a Zone - zoneadm attach -b Option. You can back out certain patches from update on attach •System [...]

ipcalc – perform simple manipulation of IP addresses

cw — Sat, 02 May 2009 21:38:14 +0000

Posted in Linux

This utility is so cool, how many times I did try to figure out netmasks, broadcasts etc, this utility actualy performs simple manipulation of IP addresses: ipcalc – provides a simple way to calculate IP information for a host. The various options specify what information ipcalc should display on standard out. Multiple options may be [...]

Oracle buy Sun

cw — Sun, 19 Apr 2009 13:21:34 +0000

Posted in SUN

I knew something was cooking, when IBM announcement was made SUN’s stock jumped like a rocket, then when deal was off, at least from talk perspective stock did retreat, but please don’t tell me people did not know somehow that something else is cooking, how come stock did not go down to previous levels or [...]

when trying to remove directory I get the following error: cannot determine if this is an ancestor of the current working directory events

cw — Fri, 17 Apr 2009 21:18:05 +0000

Posted in 10 Solaris

I have solaris 10 and I have test user, I have then direcotry created as events, when I do rm -r events I get the following error: rm: cannot determine if this is an ancestor of the current working directory events rm -rf does not even show me anything but directory is not being removed [...]

Reinstalling the Boot Loader on Linux Red Hat server

cw — Thu, 16 Apr 2009 21:13:18 +0000

Posted in Linux

I had server that rebooted and then was hanging at the GRUB line and was not booting, so I did decide to reinstall grub which seems like it did help. Here is the procedure that I did to get it boot again: Reinstalling the Boot Loader In many cases, the GRUB boot loader can mistakenly [...]