It’s time for a great summer in Germany again! And what better opportunity to spend it than with Gentoo friends at LinuxTag?
The largest Linux consumer and developer fair in Europe will be taking place Wednesday, June 24th to Saturday, June 27th. And of course Gentoo will be there with a booth. Meet some of the developers of your favourite distribution, and satisfy all your ebuild needs, maybe even have us fix one or the other bug. We even hope to bring some merchandise this time. So if you haven’t registered for a hostel or hotel, you might want to do that now.
You are also more than welcome to contribute to the booth, either by attending as a staff member (free entrance to the show is only one of the many benefits!), or by organising t-shirts, flyers and maybe even cups. Please contact me via email if you’re up for that.
And now back to hacking on my thesis and some security bugs… oh, and NetworkManager 0.7.1 is coming, thanks to Robert Piasek and Gilles Dartiguelongue who have been contributing a lot to the ebuilds while I was slacking.
I often need to copy small files (configs, scripts, patches) from one machine to another and I have found using “cat” and copy-paste to be very unreliable for this: You lose tab characters, file names, permissions, and it cannot handle binaries. Plus, it gets tedious for long text files. So I added a function to my .zshrc that takes file names as an argument and prints shell code you can simply copy and paste into a remote ssh session. The current working directory will then contain the files:
rbu@localhost ~/copy-example $ ls -l
total 8.0K
-rw-r--r-- 1 rbu rbu 29 2009-04-01 17:24 doc1
-rwx--x--x 1 rbu rbu 181 2009-04-01 17:25 some-bin
rbu@localhost ~/copy-example $ copy doc1 some-bin
cat<<E=O=F | perl -MMIME::Base64 -e 'print MIME::Base64::decode(join("", <>))' - | tar xj
QlpoOTFBWSZTWbDjvy4AANl///6/SH1QLn+oZAgORH7jngCAcExyZEJgBABAYABqMEQJMAEbbbMN
QKR5TaEwAn6oxGaGiYAQDCNPTSY9QmTT0AaptKbUxGhHoaAE0aY0AAAEMJowEYTJglEinqD1Mgeo
ZGagAHqM0RkyNAD1D1PUADynlMBeffJ2xSkqIiZOGCIOv87QvSzIWsqS1GG4qIB55xMGD5cgy2Ya
IgH0wmmgmcKCEZJL0BilCat4n/ubxlVIXfIgMCABOZxo2zA0pK5IxR1+ikXrUe7bmHxeL1jyK6fe
fcO0xLbzPXYIxokkI+yKJynt03pqRDZQfBMbvdEaBRQwjQZvEhdVNDcIAOAhVyeeaKerlMFSJYBM
56ibgEosooEIAO8PC9oAbQmOVk8YoGRBgkN9wH8oaOxCgeCuu6VCljLtzvDSGdIYGcPOgRVh+LBi
u/AotDOnl/uuQtH7Md37RU6SE4jjPOLUEHLj0OIOKTNkqk1FiehcQSg62CAQ/4u5IpwoSFhx35cA
E=O=F
On the remote host you can simply paste this code:
buchholz@remotehost:~/target-dir$ ls -l
total 0
buchholz@remotehost:~/target-dir$ cat<<E=O=F | \
perl -MMIME::Base64 -e 'print MIME::Base64::decode(join("", <>))' - | tar xj
> QlpoOTFBWSZTWbDjvy4AANl///6/SH1QLn+oZAgORH7jngCAcExyZEJgBABAYABqMEQJMAEbbbMN
> QKR5TaEwAn6oxGaGiYAQDCNPTSY9QmTT0AaptKbUxGhHoaAE0aY0AAAEMJowEYTJglEinqD1Mgeo
> ZGagAHqM0RkyNAD1D1PUADynlMBeffJ2xSkqIiZOGCIOv87QvSzIWsqS1GG4qIB55xMGD5cgy2Ya
> IgH0wmmgmcKCEZJL0BilCat4n/ubxlVIXfIgMCABOZxo2zA0pK5IxR1+ikXrUe7bmHxeL1jyK6fe
> fcO0xLbzPXYIxokkI+yKJynt03pqRDZQfBMbvdEaBRQwjQZvEhdVNDcIAOAhVyeeaKerlMFSJYBM
> 56ibgEosooEIAO8PC9oAbQmOVk8YoGRBgkN9wH8oaOxCgeCuu6VCljLtzvDSGdIYGcPOgRVh+LBi
> u/AotDOnl/uuQtH7Md37RU6SE4jjPOLUEHLj0OIOKTNkqk1FiehcQSg62CAQ/4u5IpwoSFhx35cA
> E=O=F
buchholz@remotehost:~/target-dir$ ls -l
total 8
-rw-r--r-- 1 buchholz buchholz 29 Apr 1 17:24 doc1
-rwx--x--x 1 buchholz buchholz 181 Apr 1 17:25 some-bin
And now for the shell action to do this (in ZSH):
function copy() {
STR=$(tar cj $@ | perl -MMIME::Base64 -e 'print MIME::Base64::encode(join("", <>))' \
- ; exit $pipestatus[1] ) || return $?
echo "cat<<E=O=F | perl -MMIME::Base64 -e \
'print MIME::Base64::decode(join(\"\", <>))' - | tar xj"
echo "$STR"
echo "E=O=F"
}
If you are using bash, you need to replace “exit $pipestatus[1]” with “exit $PIPESTATUS” :-/