This post is more as a note for myself, as a quick reference for the expanding list of Amazon AWS services. Not too long ago it was just EC3 and S3, and now you have stuff like Route 53, Glacier, Redshift and a whole bunch of others.
Good that someone compiled a nice summary here:
Just saw this on HN. Alexander Brevig : The //* /*/ //*/ comment toggle trick.
I’ve been using something very similar – the only difference between the last comment //*/ vs /**/
//*
someFunction();
/*/
someOtherFunction();
/**/
This technique is surprisingly “portable” – works in C++, Javascript, PHP, amongst others. And it works better than if (0) { someFunction(); } else { someOtherFunction(); } ‘cos syntax-highlighting works.
Another trick that I’ve used by abusing comments is to produce output that are both valid Javascript as well as HTML – at least to most browsers:
//<!--
alert("hello");
//-->
//<html><body>some text</body></html>
In Javascript context it’ll show a “hello” prompt, whereas in HTML context it’ll show “// //some text”. This can be used when say you’re returning a Javascript API and someone is misinterpreting it as HTML. You can of course be creative about the “some text” part. 🙂
We recently got a Synology DS412+ as an office NAS. First thing to do is to set up a proper Linux environment on the device.
Gaining root on Synology NAS is easy – just log in as root with the same password as admin. However, most (all?) commands are mapped to BusyBox, which provides watered-down version of many *nix commands. Good thing is there’s an active modding community and it’s also sanctioned by Synology. A good place to start is here.
First install the bootstrap
cd /tmp wget http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/syno-i686-bootstrap_1.2-7_i686.xsh chmod u+x syno-i686-bootstrap_1.2-7_i686.xsh ./syno-i686-bootstrap_1.2-7_i686.xsh
Then install optware-devel, which installs many of the common *nix tools and binaries for building programs from tar source.
/opt/bin/ipkg install optware-devel
Unfortunately, installation fails halfway ‘cos wget-ssl which is included in optware-devel conflicts with the wget installed.
# ipkg install -verbose_wget wget-ssl
Installing wget-ssl (1.12-2) to root...
Nothing to be done
An error ocurred, return value: 1.
Collected errors:
ERROR: The following packages conflict with wget-ssl:
wget
Someone posted a solution here and here, but both are for arm-based devices. Digging further, I found the source of the i686 packages here and with that the problem is resolved.
cd /tmp wget 'http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/libidn_1.25-1_i686.ipk' wget 'http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/wget-ssl_1.12-2_i686.ipk' ipkg remove wget ipkg install libidn_1.25-1_i686.ipk ipkg install wget-ssl_1.12-2_i686.ipk export PATH=/opt/bin:$PATH ipkg update ipkg install optware-devel
The export step is important, ‘cos it will make ipkg use the new wget.
A few other things to finish up,