[dundee] Pushing SSH Certs

[Kris Davidson]

Almost forgot

clear logs: for i in `find /var/log -type f`; do > $i; done;

sort downloads: find /media/NetHD2/downloads/hellanzb/ -name "*.avi"
-exec mv \{\} /media/NetHD2/downloads/ \;

2009/11/27 Kris Davidson <davidson.kris at gmail.com>:
> ssh-copy-id does something similar for single hosts:
>
> ------------------------------------------------------------
> #!/bin/sh
>
> # Shell script to install your public key on a remote machine
> # Takes the remote machine name as an argument.
> # Obviously, the remote machine must accept password authentication,
> # or one of the other keys in your ssh-agent, for this to work.
>
> ID_FILE="${HOME}/.ssh/id_rsa.pub"
>
> if [ "-i" = "$1" ]; then
>  shift
>  # check if we have 2 parameters left, if so the first is the new ID file
>  if [ -n "$2" ]; then
>    if expr "$1" : ".*\.pub" > /dev/null ; then
>      ID_FILE="$1"
>    else
>      ID_FILE="$1.pub"
>    fi
>    shift         # and this should leave $1 as the target name
>  fi
> else
>  if [ x$SSH_AUTH_SOCK != x ] && ssh-add -L >/dev/null 2>&1; then
>    GET_ID="$GET_ID ssh-add -L"
>  fi
> fi
>
> if [ -z "`eval $GET_ID`" ] && [ -r "${ID_FILE}" ] ; then
>  GET_ID="cat ${ID_FILE}"
> fi
>
> if [ -z "`eval $GET_ID`" ]; then
>  echo "$0: ERROR: No identities found" >&2
>  exit 1
> fi
>
> if [ "$#" -lt 1 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
>  echo "Usage: $0 [-i [identity_file]] [user@]machine" >&2
>  exit 1
> fi
>
> { eval "$GET_ID" ; } | ssh ${1%:} "umask 077; test -d .ssh || mkdir
> .ssh ; cat >> .ssh/authorized_keys" || exit 1
>
> cat <<EOF
> Now try logging into the machine, with "ssh '${1%:}'", and check in:
>
>  .ssh/authorized_keys
>
> to make sure we haven't added extra keys that you weren't expecting.
>
> EOF
> ------------------------------------------------------------
>
> I've always been meaning to modify it. Lets see bash snippets and
> command lines I like:
>
> Secure files and directories:
>
> find -type f -exec chmod 600 {} \;
> find -type d -exec chmod 711 {} \;
>
> Commands I use the most often:
>
> history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head
>
> Connection graph:
>
> netstat -an | grep ESTABLISHED | awk '{print $5}' | awk -F: '{print
> $1}' | sort | uniq -c | awk '{ printf("%s\t%s\t",$2,$1) ; for (i = 0;
> i < $1; i++) {printf("*")}; print "" }'
>
> The Matrix!
>
> tr -c "[:digit:]" " " < /dev/urandom | dd cbs=$COLUMNS conv=unblock |
> GREP_COLOR="1;32" grep --color "[^ ]"
>
> I found this somewhere and  use this as an alarm clock especially if
> my sleeping is messed up:
>
> ------------------------------------------------------------
> #!/bin/sh
>
> # Configuration
> INDNUM=2
> MAXFREQ=8000
> MINFREQ=1000
> STEP=500
> LENGTH=25
> DELAY=0
> REPS=10
>
> LOOP=0
> while [ "$LOOP" -lt "$REPS" ]
>    do
>    I=$MAXFREQ
>    while [ "$I" -gt "$MINFREQ" ]
>        do
>        beep -r $INDNUM -f $I -l $LENGTH -d $DELAY
>        I=`expr "$I" - "$STEP"`
>    done
>    I=$MINFREQ
>    while [ "$I" -lt "$MAXFREQ" ]
>        do
>        beep -r $INDNUM -f $I -l $LENGTH -d $DELAY
>        I=`expr "$I" + "$STEP"`
>    done
>    LOOP=`expr "$LOOP" + 1`
>    beep -r 5 -f 2000 -d 200
>    beep -r 5 -f 2100 -d 200
>    beep -r 5 -f 2000 -d 200
>    beep -r 5 -f 2100 -d 200
>    sleep 10
> done
> ------------------------------------------------------------
>
> Kris
>