From: Ian Kelling <ian@iankelling.org>
Date: Tue, 9 Aug 2016 23:27:32 +0000 (-0700)
Subject: various fixes and improvements
X-Git-Url: https://iankelling.org/git/?p=distro-setup;a=commitdiff_plain;h=06acbd75ee97673742cac6b3456e9982d40e74bf

various fixes and improvements
---

diff --git a/.bashrc b/.bashrc
index d2b80bf..f9e2305 100644
--- a/.bashrc
+++ b/.bashrc
@@ -204,6 +204,7 @@ unset _x
 for x in /a/bin/bash_unpublished/*; do source $x; done
 source $(dirname $(readlink -f $BASH_SOURCE))/path_add-function
 source /a/bin/log-quiet/logq-function
+source /a/bin/log-once/log-once-function
 path_add /a/exe
 path_add --ifexists --end /a/opt/adt-bundle*/tools /a/opt/adt-bundle*/platform-tools
 # todo, these need to be renamed to be less generic.
@@ -303,7 +304,7 @@ _khfix_common() {
     local h=${1##*@}
     ssh-keygen -R $h
     local x=$(timeout 0.1 ssh -v $1 |& sed -rn "s/debug1: Connecting to $h \[([^\]*)].*/\1/p");
-    ssh-keygen -R $x
+    ssh-keygen -R $x -f $(readlink -f ~/.ssh/known_hosts)
 }
 khfix() { # known hosts fix
     _khfix_common "$@"
@@ -385,8 +386,7 @@ chown() {
     if [[ $1 == -R ]]; then
         shift
         command chown -h "$@"
-        command chown "$@"
-        command chown -RH "$@"
+        command chown -R "$@"
     else
         command chown "$@"
     fi
@@ -619,7 +619,7 @@ hl() { # history limit. Write extra history to archive file.
     if (($linecount > $max_lines)); then
         prune_lines=$(($linecount - $max_lines))
         head -n $prune_lines "$HISTFILE" >> "$harchive" \
-            && sed -ie "1,${prune_lines}d"  $HISTFILE
+            && sed --follow-symlinks -ie "1,${prune_lines}d"  $HISTFILE
     fi
 }
 
@@ -745,6 +745,11 @@ mkc() {
 
 mkdir() { command mkdir -p "$@"; }
 
+pithos() {
+    cd /a/opt/Pithosfly/
+    python3 -m pithos&r
+}
+
 pakaraoke() {
     # from http://askubuntu.com/questions/456021/remove-vocals-from-mp3-and-get-only-instrumentals
     pactl load-module module-ladspa-sink sink_name=Karaoke master=alsa_output.usb-Audioengine_Audioengine_D1-00.analog-stereo plugin=karaoke_1409 label=karaoke control=-30
@@ -793,6 +798,10 @@ pub() {
     rld /a/h/_site/ li:/var/www/iankelling.org/html
 }
 
+pubip() { curl -4s https://icanhazip.com; }
+whatismyip() { pubip; }
+
+
 pwgen() {
     apg -s -m 10 -x 14 -t
 }
@@ -835,6 +844,7 @@ rlu() { # [OPTS] HOST PATH
     opts=("${@:1:$#-2}") #  1 to last -2
     path="${@:$#}" # last
     host="${@:$#-1:1}" # last -1
+    if [[ $path == .* ]]; then echo error: need absolut path; return 1; fi
     # rync here uses checksum instead of time so we don't mess with
     # unison relying on time as much. g is for group, same reason
     # to keep up with unison.
@@ -965,6 +975,11 @@ srm () {
     command srm -ll "$@"
 }
 
+srun() {
+    scp $2 $1:/tmp
+    ssh $1 /tmp/${2##*/} "${@:2}"
+}
+
 t() {
     local x
     local -a args
@@ -1079,6 +1094,45 @@ tx() { # toggle set -x, and the prompt so it doesn't spam
     fi
 }
 
+vc() {
+    [[ $1 ]] || { e "$0: error, expected cmd to run"; return 1; }
+    # manually run vpn so it stays within a network namespace,
+    # until I get it all wired up with systemd.
+    newns vpn start
+    pid=$(< /run/openvpn/client.pid)
+    if [[ ! $pid ]]; then
+        s ip netns exec vpn /usr/sbin/openvpn --daemon ovpn --config /etc/openvpn/client.conf --cd /etc/openvpn --writepid /run/openvpn/client.pid
+    elif [[ ! -e /proc/$pid ]]; then
+        echo "$0: ERROR: pidfile pid $pid is not a process!!!"
+        return 1
+    fi
+    gksudo -- ip netns exec vpn gksudo -u ${SUDO_USER:-$USER} "$@"
+}
+
+transmission() {
+    vc transmission-gtk&
+    i=0
+    while ((i < 10)); do
+        tun_ip=$(s ip netns exec vpn ip a show dev tun0 | sed -rn 's/^ *inet (10\.8\.\S+).*/\1/p')
+        [[ ! $tun_ip ]] || break
+        sleep 1
+    done
+    echo "$0: tun_ip=$tun_ip"
+    [[ $tun_ip ]] || { e "$0: error: no tun0 addr found"; return 1; }
+    ssh dopub bash <<EOF
+rule="-A PREROUTING -i eth0 -p tcp -m tcp --dport 63324 -j DNAT --to-destination $tun_ip:63324"
+found=false
+while read -r line; do
+  if [[ \$line == \$rule ]] && ! \$found; then
+    found=true
+  else
+    iptables -t nat -D \${line#-A}
+  fi
+done < <(iptables -t nat -S | grep -E -- '--dport\s+63324')
+\$found || iptables -t nat \$rule
+EOF
+}
+
 virshrm() {
     for x in "$@"; do virsh destroy "$x"; virsh undefine "$x"; done
 }
@@ -1108,6 +1162,7 @@ vpn() {
     journalctl --unit=openvpn@client -f -n0
 }
 
+
 vpnoff() {
     s systemctl stop openvpn@client
 }
@@ -1326,8 +1381,8 @@ fi
 export rvmsudo_secure_path=1
 
 # for other script I wrote
-export ACME_TINY_PATH=/a/opt/acme-tiny
-export lt ACME_TINY_WRAPPER_CERT_DIR=/p/c/machine_specific/$HOSTNAME
+#export ACME_TINY_PATH=/a/opt/acme-tiny
+export ACME_TINY_WRAPPER_CERT_DIR=/p/c/machine_specific/$HOSTNAME/webservercerts
 
 if [[ -s "/usr/local/rvm/scripts/rvm" ]]; then
     source "/usr/local/rvm/scripts/rvm"
@@ -1335,8 +1390,7 @@ elif [[ -s $HOME/.rvm/scripts/rvm ]]; then
     source $HOME/.rvm/scripts/rvm
 fi
 
-mkdir -p ~/.npm-global
-npm config set prefix '~/.npm-global'
+
 path_add --end ~/.npm-global
 
 # https://wiki.archlinux.org/index.php/Xinitrc#Autostart_X_at_login