gpg-backup
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#!/bin/sh
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cd /home/backe123
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rm *.cpt *.gpg
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./backup.pl 2>&1 >> logback
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#!/usr/bin/perl -w
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#---Configuration------
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####@backe = ("/etc", "/home", "/lib", "/boot", "/var");
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# wo sollen die archive hin?
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$backupdir = "/home/backe123/ablage/";
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# wo stehen die zu sichernden verzeichnisse (dateien, mit excludes)
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$excludes = "/home/backe123/quellsaft/";
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# mit welchem key soll das archiv verschluesselt werden?
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$gpgkey_id = "A8969D03" ;
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# an wen geht die mail?
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$mailuser = "age";
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#---Runtime------------
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# welche verzeichnisse sollen gesichert werden ...
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# dazu werden die dateien von excludes heran gezogen
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opendir DIR, $excludes or die "Can't open dir to search for backup paths. $excludes\n";
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# hier steht jetzt drin was gesichert werden soll
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@backe = grep { $_ ne '.' && $_ ne '..' } readdir DIR;
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closedir DIR;
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# datum als eindeutigen namen fuer keyfile nutzen
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$date = "0".join("-",getDate());
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$keyfilename = "key".$date;
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chdir($backupdir) || die ("Can't change to $backupdir! \n");
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#---Mainloop-----------
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foreach $dir (@backe){
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# vorarbeit
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print("\n----> generating random keys ..");
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&generateRandomBits;
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&generateSessionKey;
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# die dateinamen koennten noch beser benannt werden
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$filename = $dir."_backup";
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&tar_it;
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&crypt_it;
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&mail_it;
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print("well done!\n\n");
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}
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#---Subraum-------------
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sub greeting{
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print("[$date] Now I will make a backup of:\n");
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foreach $dir(@backe){
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print("\t".$dir."\n");
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$excludes_file = $backupdir.$dir;
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print("\t\t". $excludes_file."\n");
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#TODO test ob dirs existieren
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}
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}
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sub tar_it{
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# archive erstellen
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print("\n----> tar zcf: /$dir .. ");
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$excludes_file = $excludes.$dir;
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print("tar zcf $filename.tgz -C / --exclude-from $excludes_file $dir");
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system("tar zcf $filename.tgz -C / --exclude-from $excludes_file $dir");
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print(" tar done!\n");
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}
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sub crypt_it{
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# endlich crypten
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print("\n----> ccrypt $filename.tgz .. ");
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# TODO: force ueberschreibt gnadenlos - vorher abchecken
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system("ccrypt -k $keyfilename $filename.tgz --force");
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system("rm $keyfilename");
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system("mv $keyfilename.gpg $keyfilename$filename.gpg");
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print(" ccrypt done!\n");
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}
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sub mail_it{
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print("\n----> mail goes out .. ");
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# mit mutt verschicken
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# (-n -F /dev/null) umgehen die configs
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# (-a filename) haengt datei ran; (-s subject) und body bleibt leer
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system("mutt -n -F /dev/null -a $keyfilename$filename.gpg -i reminder.txt -s \"key-$dir\" $mailuser\@systemausfall.org < /dev/null");
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print(" mail done!\n");
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}
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sub generateSessionKey{
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# den key verschluesseln
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print("\n----> delete existing key of today: ");
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system("gpg --batch -q -r $gpgkey_id -e $keyfilename");
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}
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sub generateRandomBits{
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# 4069 alphanumerische zeichen als key generieren
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@chars = ("A" .. "Z", "a" .. "z", 0 .. 9);
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$haltdenrand = join("", @chars[ map{rand @chars} (1 .. 4096) ]);
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# datei zum schreiben oeffnen und als ausgabe auswaehlen
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open(DERKEY, "> $keyfilename")
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or die "$keyfilename could not be opened";
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#alten ausgabekanal merken
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$oldoutput = select(DERKEY);
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print $haltdenrand;
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select ($oldoutput);
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close(DERKEY);
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system("chmod 600 $keyfilename");
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}
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sub getDate{
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use Time::localtime;
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$tm = localtime;
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return ($tm->year+1900, $tm->mon+1, $tm->mday);
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}
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[02004-10-27] Now I will make a backup of:
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/etc
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/home
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/lib
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/boot
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/var
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----> delete existing key of today: gpg: WARNING: unsafe ownership on configuration file "/home/age/.gnupg/gpg.conf"
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----> tar zcf: /etc .. tar: Removing leading `/' from member names
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done!
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----> ccrypt etc-backup.tgz .. done!
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----> delete existing key of today: gpg: WARNING: unsafe ownership on configuration file "/home/age/.gnupg/gpg.conf"
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----> tar zcf: /home .. tar: Removing leading `/' from member names
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done!
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----> ccrypt hom-backup.tgz .. done!
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----> delete existing key of today: gpg: WARNING: unsafe ownership on configuration file "/home/age/.gnupg/gpg.conf"
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----> tar zcf: /lib .. tar: Removing leading `/' from member names
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done!
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----> ccrypt lib-backup.tgz .. done!
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----> delete existing key of today: gpg: WARNING: unsafe ownership on configuration file "/home/age/.gnupg/gpg.conf"
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----> tar zcf: /boot .. tar: Removing leading `/' from member names
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done!
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----> ccrypt boo-backup.tgz .. done!
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----> delete existing key of today: gpg: WARNING: unsafe ownership on configuration file "/home/age/.gnupg/gpg.conf"
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----> tar zcf: /var .. tar: Removing leading `/' from member names
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tar: /var/run/mysqld/mysqld.sock: socket ignored
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tar: /var/run/gcache_port: socket ignored
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done!
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----> ccrypt var-backup.tgz .. done!
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[02004-11-3] Now I will make a backup of:
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/etc
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/home
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/lib
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/boot
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/var
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----> delete existing key of today:
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----> tar zcf: /etc .. done!
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----> ccrypt etc-backup.tgz .. [02004-11-3] Now I will make a backup of:
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/etc
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/home
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/lib
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/boot
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/var
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----> delete existing key of today:
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----> tar zcf: /etc .. done!
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----> ccrypt etc-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /home .. done!
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----> ccrypt hom-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /lib .. done!
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----> ccrypt lib-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /boot .. done!
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----> ccrypt boo-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /var .. done!
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----> ccrypt var-backup.tgz .. done!
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[02004-11-17] Now I will make a backup of:
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/etc
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----> delete existing key of today:
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----> tar zcf: /etc .. done!
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----> ccrypt etc-backup.tgz .. done!
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[02004-11-17] Now I will make a backup of:
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/etc
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/home
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/lib
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/boot
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/var
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----> delete existing key of today:
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----> tar zcf: /etc .. done!
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----> ccrypt etc-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /home .. done!
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----> ccrypt hom-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /lib .. done!
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----> ccrypt lib-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /boot .. done!
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----> ccrypt boo-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /var .. done!
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----> ccrypt var-backup.tgz .. done!
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[02004-11-23] Now I will make a backup of:
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/etc
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/home
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/lib
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/boot
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/var
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----> delete existing key of today:
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----> tar zcf: /etc .. done!
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----> ccrypt etc-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /home .. done!
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----> ccrypt hom-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /lib .. done!
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----> ccrypt lib-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /boot .. done!
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----> ccrypt boo-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /var .. done!
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----> ccrypt var-backup.tgz .. done!
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[02004-11-30] Now I will make a backup of:
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/etc
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/home
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/lib
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/boot
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/var
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----> delete existing key of today:
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----> tar zcf: /etc .. done!
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----> ccrypt etc-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /home .. done!
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----> ccrypt hom-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /lib .. done!
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----> ccrypt lib-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /boot .. done!
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----> ccrypt boo-backup.tgz .. done!
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----> delete existing key of today:
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----> tar zcf: /var .. done!
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----> ccrypt var-backup.tgz .. done!
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@ -0,0 +1,2 @@
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test
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test3
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@ -0,0 +1,9 @@
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Hi AGE!
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Faxe hat ein neues Backup generiert.
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Sicher es doch bitte an einem anderen Ort in dem du z.B. folgendes tust:
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scp -r systemausfall.org:/home/backe123 .
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recht herzlichen Dank!
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