Clone systems over ssh
# ssh <dstip> tar clf - / | (cd /mnt; tar xf - )…
Linksys Boot messages
> CPU revision is: 00024000 Loading BCM4710 MMU routines. Primary instruction cache 8kb, linesize 16 bytes (2 ways) Primary data cache 4kb, linesize 16 bytes (2 ways) Linux version 2.4.20 (bdferris@localhost.localdomain) (gcc version 3.0 20010422 (prerelease) with bcm4710a0 modifications) #55 Sat Nov 15 12:23:…
Traffic Shaping
Linux Advanced Routing & Traffic Control HOWTO [http://lartc.org/howto/] Test script for P2P [http://lists.netfilter.org/pipermail/netfilter/2003-June/044718.html] Shaping ADSL traffic with linux [http://nsd.dyndns.org/shapedsl/] Filtering IPv6 Traffic [http://lartc.org/howto/lartc.adv-filter.ipv6.html]…
Generating Certificates for Courier TLS
$ cat newreq.pem_new > imapd.pem $ cat newcert.pem >> imapd.pem $ /usr/bin/openssl gendh -rand file1:...:filen 512 >> imapd.pem…
Removing whitespaces from filename
for i in *.[jJ][pP][gG]; do mv "$i" $(echo "$i" | sed "s/ /_/g"); done…
Generating Certificates for Postfix TLS
$ ./CA.pl -newca (only first time) $ ./CA.pl -newreq $ ./CA.pl -sign $ openssl rsa -in newreq.pem -out newreq.pem_withoutpassphrase…
Generating Certificates for Apache
$ openssl genrsa -des3 -rand file1:...:filen \ -out www.yourdomain.org.key 1024 $ openssl rsa -in www.yourdomain.org.key -out www.yourdomain.org.key $ openssl req -new -key www.yourdomain.org.key \ -out www.yourdomain.org.csr -days $DAYS $ openssl req -x509 -key www.yourdomain.org.key \ -in www.yourdomain.…
How to get Webserver Version
# printf "HEAD / HTTP/1.0\n\n" | nc $server 80 | grep Server…