X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=grml_tips;h=2b150a508e03ae059ac596f8f32ed349f359172b;hb=2d3d9da31eac241a04091862598d436b7c46ae09;hp=e9f73e130866465149c36b0cb446d6a293fdf76e;hpb=9859dacad91685e2add2ffd97ba910e2d6903c18;p=grml-tips.git diff --git a/grml_tips b/grml_tips index e9f73e1..2b150a5 100644 --- a/grml_tips +++ b/grml_tips @@ -663,7 +663,9 @@ to get a list of all supported trees -- Transfer your SSH public key to another host: -% ssh-copy-id -i ~/.ssh/id_dsa.pub user@remote-system +% ssh-keygen # if you don't have a key yet +[...] +% ssh-copy-id -i ~/.ssh/id_rsa.pub user@remote-system or % cat $HOME/.ssh/id_rsa.pub | ssh user@remote-system 'cat >> .ssh/authorized_keys' -- @@ -1094,7 +1096,7 @@ Avoid all of the above steps - use grml-debootstrap(8) instead! -- Convert files from Unicode / UTF-8 to ISO: -% iconv -f utf8 -t iso-8859-15 < utffile > isofile +% iconv -c -f utf8 -t iso-8859-15 < utffile > isofile and vice versa: @@ -1278,8 +1280,7 @@ Write a Windows 2000/XP/2003 MBR to device: Use a Vodafone 3G Datacard (UMTS) with Linux: Plug in your vodafone card and check in syslog whether the appropriate -(probably /dev/ttyUSB0 or /dev/noz0 when using newer vodafone cards) has -been created. If so run: +(probably /dev/ttyUSB0 or /dev/noz0) has been created. If so run: # gcom -d $DEVICE # wvdial --config /etc/wvdial.conf.umts $PROFILE @@ -1294,8 +1295,28 @@ Usage examples: # gcom -d /dev/noz0 # wvdial --config /etc/wvdial.conf.umts dreiusb -Notice: newer vodafone cards require the nozomi driver. Run 'modprobe nozomi' on -your grml system. +If you receive invalid DNS nameservers when connecting, like: + +[...] +--> primary DNS address 10.11.12.13 +--> secondary DNS address 10.11.12.14 + +just provide a working nameserver to resolvconf via: + +# echo "nameserver 80.120.17.70" | resolvconf -a ppp0 + +Notice: some vodafone cards require the nozomi driver (run 'modprobe nozomi' on +your grml system), some other ones require the sierra driver (run +'modprobe sierra'). + +If your device isn't supported by usbserial yet, manually provide vendor and +product ID when loading the usbserial module. Usage example: + +% lsusb +[...] +Bus 004 Device 008: ID 1199:6813 Sierra Wireless, Inc. + +# modprobe usbserial vendor=0x1199 product=0x6813 -- hdparm - get/set hard disk parameters @@ -2807,3 +2828,22 @@ or % fbgs file.pdf -- +Bypass the password of a PDF file: + +% gs -q -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=output.pdf input.pdf -c quit +-- +Record sound: + +% rec test.aiff + +This will record a AIFF audio file. +-- +Change passphrase / password of an existing SSH key: + +% ssh-keygen -p +-- +Enable syntax highlighting in nano: + +Just uncomment the include directives for your respective +language at the bottom of the file /etc/nanorc +--