Tag Archives: Software

Porting For The Sun: The Zlib Problem (ld.so.1: exe: fatal: relocation error: R_AMD64_32:)

With the recent update of the Sun Studio 12 compiler set I started seeing errors like this when compiling for example MySQL from source:

ld.so.1: exe: fatal: relocation error: R_AMD64_32:

Turns out that it was Zlib 1.2.5 causing the problem.
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Bash: Dynamic Variables

Every once in a while I need to use dynamic variables in shell scripts for doing things like

echo ${{$foo}_bar}

but unfortunately it won’t work like shown in the example above.
What will work however is this:
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Dnsmasq for ReadyNAS (Sparc & Intel)

Two things I’ve always missed on the ReadyNAS were a DNS server to serve my local network and a fully fledged DHCP server allowing me to assign IP addresses to my machines based on their MAC address. Dnsmasq can do both and more. It even integrates a TFTP/BOOTP/PXE server to boot diskless machines off the network. So I dived into the realms of add-on programming again and baked some add-ons ;)

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iSCSI Enterprise Target 1.4.20.1 for ReadyNAS (Sparc)

And yet another update: Took me some fixing of the sources but I finally was able to build a new release of the iSCSI Add-On for ReadyNAS. This release adds a lot of stability fixes of which mainly Solaris and Windows users will profit.

Get it here: iSCSItarget_1.4.20.1-readynas-1.0.3.bin (ReadyNAS Sparc only!)

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WebSVN 2.3.1 for ReadyNAS (Sparc & Intel)

Since I was already updating the SVN stuff for the ReadyNAS line I thought I might as well upgrade the WebSVN add-on. So here we go:

ReadyNAS NV(+)/Duo/1100/X6: WebSVN_2.3.1-readynas-1.0.0.bin
ReadyNAS Pro/NVX/2100/3200: WebSVN_2.3.1-readypro-1.0.0.bin

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Subversion 1.6.11 for ReadyNAS (Sparc & Intel)

Since I had some spare time I decided to upgrade my Subversion add-on for the ReadyNAS line. For a complete list of changes since the last version (1.6.6) see the official changelog.

Downloads:
For ReadyNAS NV(+)/Duo/1100/X6: subversion_1.6.11-readynas-1.0.0.bin
For ReadyNAS Pro/NVX/2100/3200: subversion_1.6.11-reaypro-1.0.0.bin

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Weltfrieden

Vorhin rief ‘ne Kundin an, ob ich Passwort weiß.
Ich merke mir Passwörter eigentlich nie.
Aber an weltfrieden konnte ich mich in der Tat erinnern.

Wäre mir wohl ähnlich gegangen.

Apache Patch: Pass environment variables to backends connected via mod_proxy_ajp

One popular method to connect Tomcat or JBoss to the Apache web server is using mod_proxy_ajp. This of course works very well except for the case where you want to pass some environment variables to the backends. This is especially true for those who want to implement a 404 error handler using Java or other languages backed by Java. A common request is to be able to pass the values of the REQUEST_… variables defined by Apache to the error handler. While the AJP13 protocol would actually allow for that to happen, mod_proxy_ajp doesn’t offer that functionality. Luckily it’s quite easy to patch the functionality in. All you need is the Apache source code. Download and unpack, then open the file modules/proxy/ajp_header.c in your favorite text editor. Look for this code snippet:
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Code of the day

#if __APPLE__ && __MAC_OS_X_VERSION_10_5
int inxorcise(int nochdir __attribute__((unused)),
              int noclose __attribute__((unused))) {
    fprintf(stderr, "Apple does not want programs to use
        daemon(3) and suggests using launchd(1).  We don't
        agree, but their dad is bigger than our dad.\n"
);
    exit(1);
}
#endif

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Varnish 2.0.5 released

As mentioned here, Varnish 2.0.5 has been released. Changes include performance improvements on Linux and reduced memory consumption when processing ESI. Going to test it on this site in a few …

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Bacula 3.0.3 for ReadyNAS NV/NV+/Duo/1100/X6

Just a few days after I released Bacula 3.0.2 for ReadyNAS it’s time for an update. With Bacula 3.0.3, the developers included another bunch of bug fixes and enhancements. Update on the ReadyNAS should pose no problems since I also renamed the sample configuration files.
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Give more threads to Varnish

When running my preferred proxy cache Varnish on Linux I realized that I couldn’t start enough threads on heavily accessed systems. As I found out, reducing the stack size is the key to get to the number I need. Oh well, if everything would be easy, I wouldn’t get paid I guess ;)
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It comes by night and sucks the essence from your computers

Today, after some intensive initial beta testing by Jan-Piet I decided to release Bacula 3.0.2 for ReadyNAS NV/NV+/Duo/1100/X6.

For those of you who don’t know Bacula and what it does: The headline says it all. Or to quote the website:

Bacula is a set of Open Source, enterprise ready, computer programs that permit you to manage backup, recovery, and verification of computer data across a network of computers of different kinds. In technical terms, it is an Open Source, enterprise ready, network based backup program.

That said, you should know that’s it’s not a snap to configure, so be sure to read the documentation or at least have a look at the quick walk-through provided by Jan-Piet.

{openx:6}

ZFS on the Mac: The power to forge

Dustin Sallings writes:

Then today, I read this:

The ZFS project has been discontinued. The mailing list and repository will also be removed shortly.

That made me very sad, so I decided to do something about it.

And so he did: ZFS/Mac archive on Github
There’s even an installer for Snow Leopard in pkg format.
But please keep in mind his warning before trying it out:

You still need to kind of know what you’re doing to make use of it.

iSCSI target 1.4.18 for ReadyNAS Duo/NV/NV+

Today I released the iSCSI Target Addon 1.4.18 for the Sparc based ReadyNAS series. There’s not only the dramatic change in the version number. In addition a lot of changes happened behind the scenes:

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Move it, move it (a.k.a. “Screw it up the IBM way”)

I work with web sites for a living. I give them a place to live, I trash them when they’re no longer needed and I also move them. And believe me, moving a site is the trickiest of the jobs. But in all of my professional life, I’ve never ever seen a blunder like this (output shortened for brevity):

crow:~$ dig developer.lotus.com
; < <>> DiG 9.6.0-APPLE-P2 < <>> developer.lotus.com
;; QUESTION SECTION:
;developer.lotus.com.		IN	A

;; ANSWER SECTION:
developer.lotus.com.	127	IN	CNAME	192.147.106.27.
192.147.106.27.		0	IN	A	67.215.65.132

Really. Did they outsource the last thinking person in their networking department? Ok, maybe they fixed it and the change just hasn’t trickled down. So let’s try a different approach (again, shortened:)

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Make your ReadyNAS the NTP time server of your network

Since it wasn’t that much work I decided to honor the request and build the server component of the NTP protocol suite for the ReadyNAS Duo/NV/NV+/1100/X6.
There are two archives available:

After installation the server will start immediately. However, it will take some time for the server to actually sync time and date with the official time sources. So it takes about 15 to 20 minutes until any client on your network can actually sync its time with the time source on the ReadyNAS.
Have fun with the tool and remember: Works for me, ymmv.

{openx:6}

Interesting searches: readynas uninstall togglessh

For reasons unknown to me, I get a lot of hits from searches for “readynas uninstall togglessh”. Obviously a lot of people who tried the ToggleSSH addon for their ReadyNAS found that it didn’t suit their needs and now want to uninstall it. Ok, so I’m going to tell you how to fix your problems ;)

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Make your ReadyNAS your scanning hub

Finally being bothered enough by always having to connect my USB scanner to yet another computer, I decided to bring the SANE backends to the ReadyNAS. As a result, I proudly presend sane-backends_1.0.20-readynas-0.1.0. Using this addon will add support for a vast variety of USB scanners to your ReadyNAS.
To use the scanner attached to your ReadyNAS, you’ll also need a compatible SANE frontend. Those are available for Linux and Windows (XSane) as well as for Mac OS/X (TWAIN SANE, even already with a version for Snow Leopard).

Some screenshots (taken on Linux):

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