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--- bash_random [2010/08/16 19:10] – brot
+++ bash_random [2021/01/31 18:24] (current) – brot
@@ Line 1: / Line 1: @@
 ===== Anderer Konsolenbefehlkram =====
+  convert -verbose -trim  -sharpen 0x1.0 -density 150 *jpg otherfile.pdf output.pdf
+jpgs und ein pdf zu einem PDF zusammenfügen, ohne dass die qualität den bach runter geht.
   mdadm -As --auto=yes
 startet alle vorhandenen sw-raids. homg wichtig.
+  gcc -march=native -E -v - </dev/null 2>&1 | sed -n 's/.* -v - //p'
+zeigen was "-march=native" für optionen setzt :)
+  nas brot # dd if=/dev/zero of=brotscheibe_backup.btrfs.img bs=1M count=50k oflag=append conv=notrunc
+append 50G to an existing imagefile. to be used to resize those :)
+<code>
+mkdir /usr/share/ssl/certs/hostname.domain.com
+cd /usr/share/ssl/certs/hostname.domain.com
+(umask 077 && touch host.key host.cert host.info host.pem)
+openssl genrsa 2048 > host.key
+openssl req -new -x509 -nodes -sha1 -days 3650 -key host.key > host.cert
+...[enter *.domain.com for the Common Name]...
+openssl x509 -noout -fingerprint -text < host.cert > host.info
+cat host.cert host.key > host.pem
+chmod 400 host.key host.pem
+</code>
+selfsigned wildcard ssl cert
   lconvert -i quassel_cs.po -o quassel_cs.ts && lupdate -no-obsolete ../src -ts quassel_cs.ts && lconvert -i quassel_cs.ts -o quassel_cs.po
@@ Line 9: / Line 34: @@
   brot /mnt/nas/Daten/Fotos/2010/2010-05-20 $ for i in _MG_9{180..352}.CR2; do dcraw -w -c -q 0 $i | cjpeg -scale 1/8 -optimize -progressive > /home/brot/pics_preview/$i.jpg ; done
 fotos von _MG_9180.CR2 bis _MG_9352.CR2 als jpeg-vorschau speichern
+  [18:39:00] <basilgohar> cat input.jpg | jpegtoppm | pamscale -filter lanczos -xyfit x y | ppmtopng > output.png
+  [18:39:36] <basilgohar> There's likely not to be too many methods with better quality than that.
+  [18:39:57] <basilgohar> As a bonus, netpbm is gamma aware.
+pics skalieren :)
   eix -Ixc | grep 999