Despite both FLAC and WAV are lossless formats and supposed to be bit perfect they sound differently. FLAC – more congested, WAV – “easier” and more airy.
Here’s one of the reasons why. Let’s see what “top” on the PS-Audio Bridge (a network player) says:
Yes, yes, to be more precise I should’ve said: “Why tube amps sound different than solid-state ones”, but I used the word “better”, because lots of audiophiles prefer the tube (or tube-like) “euphonic” sound π One of the usual explanations is even vs odd harmonics, but still it’s not clear why we prefer even harmonics.
These two excerpts make it clear:
Continue reading “Why tube amplifiers sound better than solid-state ones”
Update: fixed in v19.0beta (at least v19.0b1 build3 looks good):
ftp://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/ (19b1 does not save sessions, though π
Firefox 18 (all betas and 18.0) crashes on Solaris 11 and OpenSolaris. The workaround is to set the following variables to “false”:
browser.cache.disk.enable browser.cache.memory.enable browser.cache.disk_cache_ssl
See bug 827971.
Non-compressing log-rotator:
# more logrotate.sh
#!/bin/bash
for file in $*
do
mv ${file}.5 ${file}.6
mv ${file}.4 ${file}.5
mv ${file}.3 ${file}.4
mv ${file}.2 ${file}.3
mv ${file}.1 ${file}.2
mv ${file} ${file}.1
touch ${file}
pkill -1 syslog
done
Compressing version:
#!/bin/bash
for file in $*
do
mv ${file}.5.gz ${file}.6.gz
mv ${file}.4.gz ${file}.5.gz
mv ${file}.3.gz ${file}.4.gz
mv ${file}.2.gz ${file}.3.gz
mv ${file}.1.gz ${file}.2.gz
mv ${file} ${file}.1
touch ${file}
pkill -1 syslog
gzip ${file}.1
done
Usage:
# logrotate.sh asa1.log cisco2.log templog #
Sometimes you do not need a detailed log-analysis but several simple one-liners that you can adjust without too much thinking how it works, what you did last time, etc. The examples below are absolutely NOT optimal, but rather modular for easy line-editing.
1. Allowed traffic:
cat asa.log | grep permitted | grep access-list |
sed -e 's/^.*permitted//' -e 's/hit-cnt.*$//' |
sed -e 's/([0-9][0-9]*) ->/ ->/' | less
Result:
tcp outside/10.2.8.30 -> inside/10.1.141.23(8080)
tcp outside/10.2.8.30 -> inside/10.1.141.23(8080)
tcp outside/10.2.8.35 -> inside/10.1.140.137(13000)
udp outside/10.2.8.25 -> inside/10.1.9.14(137)
udp outside/10.2.8.25 -> inside/10.1.81.15(137)
tcp outside/10.2.8.44 -> inside/10.1.140.137(13000)
tcp outside/10.2.8.31 -> inside/10.1.140.149(13000)
Noticed the “permitted” strings?
2. Denied traffic:
cat asa.log | grep denied | grep access-list |
sed -e 's/^.*denied//' -e 's/hit-cnt.*$//' |
sed -e 's/([0-9][0-9]*) ->/ ->/' | less
Result:
tcp inside/10.1.140.159 -> outside/10.2.8.24(515)
tcp inside/10.1.140.159 -> outside/10.2.8.24(515)
tcp inside/10.3.241.116 -> outside/10.2.8.251(1541)
tcp inside/10.3.241.116 -> outside/10.2.8.251(1547)
tcp inside/10.1.140.159 -> outside/10.2.8.24(515)
3. The most popular permitted traffic:
cat asa.log | grep permitted | grep access-list |
sed -e 's/^.*permitted//' -e 's/hit-cnt.*$//' |
sed -e 's/([0-9][0-9]*) ->/ ->/' |
awk ' {conn[$0]++;} END { for ( i in conn ) print conn[i]," ",i;}' | sort +0nr | less
Result (the first column is the amount of corresponding log entries):
21170 tcp outside/10.2.8.40 -> inside/10.1.140.149(13000)
18023 tcp outside/10.2.8.34 -> inside/10.1.140.149(13000)
17981 tcp outside/10.2.8.31 -> inside/10.1.140.149(13000)
11034 tcp inside/10.1.140.251 -> outside/10.2.8.68(10001)
10652 tcp outside/10.2.8.43 -> inside/10.1.140.137(13000)
10628 tcp outside/10.2.8.44 -> inside/10.1.140.137(13000)
10484 tcp outside/10.2.8.47 -> inside/10.1.140.137(13000)
10437 tcp outside/10.2.8.23 -> inside/10.1.140.137(13000)
7618 tcp outside/10.2.8.25 -> inside/10.1.140.137(13000)
7550 tcp outside/10.2.8.27 -> inside/10.1.140.137(13000)
7515 tcp outside/10.2.8.49 -> inside/10.1.140.137(13000)
7496 tcp outside/10.2.8.29 -> inside/10.1.140.137(13000)
6826 tcp outside/10.2.8.30 -> inside/10.1.141.23(8080)
6011 tcp outside/10.2.8.35 -> inside/10.1.140.137(13000)
5896 tcp outside/10.2.8.40 -> inside/10.1.141.23(8080)
5809 tcp outside/10.2.8.30 -> inside/10.1.140.137(13000)
4. Modification for versions 8.2+:
cat asa.log | grep Deny | grep access-group | sed -e 's/^.*Deny//' -e 's/by.*$//' | sed -e 's/dst/ ->/' -e 's/src//' | less
You can use this method to generate a policy based on the current traffic.
Additional “greps” will allow you to filter for specific ports or IP-addresses.
Replace “permitted” with “denied” and you’ll get the “most popular denied traffic”.
The basics of networking and socionics should be taught in schools nowadays. It’s unbelievable to see people struggling to set up a static IP-address, and people following advices how to (“make friends”|”become more authoritative in a work-group”|”avoid conflicts”|”build a happy family”|etc…) that might work only for a couple of psychological types and will completely destroy any relationships with some others.
– Π ΡΡΠΎ? Π― Π·ΡΡ ΠΌΠΎΠΊ, ΡΡΠΎ Π»ΠΈ?
– Π’Π΅ΠΏΠ΅ΡΡ ΠΈΠ΄ΠΈ, Π·ΡΡ ΡΠΎΡ
Π½ΠΈ.
– ΠΠ½ΠΎΠ³Π΄Π° Π»ΡΡΡΠ΅ ΠΏΡΠΎΠΌΠΎΠ»ΡΠ°ΡΡ
– ΠΠΎΡ ΠΈ ΠΏΡΠΎΠΌΠ°Π»ΠΊΠΈΠ²Π°ΠΉ.
Somebody That I Used to Know – Walk off the Earth (Gotye – Cover)
66,106,172 since Jan 05, 2012.
The original video below:
Continue reading “Somebody That I Used to Know – Walk off the Earth (Gotye – Cover)”
