Warning: this is an htmlized version!
The original is across this link,
and the conversion rules are here.
#######
#
# E-scripts on ssh, scp and friends.
#
# Note 1: use the eev command (defined in eev.el) and the
# ee alias (in my .zshrc) to execute parts of this file.
# Executing this file as a whole makes no sense.
#
# Note 2: be VERY careful and make sure you understand what
# you're doing.
#
# Note 3: If you use a shell other than zsh things like |&
# and the for loops may not work.
#
# Note 4: I always run as root.
#
# Note 5: some parts are too old and don't work anymore. Some
# never worked.
#
# Note 6: the definitions for the find-xxxfile commands are on my
# .emacs.
#
# Note 7: if you see a strange command check my .zshrc -- it may
# be defined there as a function or an alias.
#
# Note 8: the sections without dates are always older than the
# sections with dates.
#
# This file is at <http://angg.twu.net/e/ssh.e>
#           or at <http://angg.twu.net/e/ssh.e.html>.
#        See also <http://angg.twu.net/emacs.html>,
#                 <http://angg.twu.net/.emacs[.html]>,
#                 <http://angg.twu.net/.zshrc[.html]>,
#                 <http://angg.twu.net/escripts.html>,
#             and <http://angg.twu.net/>.
#
#######





# «.sshd-2012»		(to "sshd-2012")
# «.without-password»	(to "without-password")
# «.without_password»	(to "without_password")
# «.mat.puc-rio»	(to "mat.puc-rio")
# «.ssh-agent_init.d»	(to "ssh-agent_init.d")
# «.snailbook»		(to "snailbook")
# «.sshaskpass»		(to "sshaskpass")
# «.openssh-deb-src»	(to "openssh-deb-src")
# «.ssh-copy-id»	(to "ssh-copy-id")
# «.ssh-vulnkey»	(to "ssh-vulnkey")
# «.known_hosts»	(to "known_hosts")
# «.x11-forwarding»	(to "x11-forwarding")
# «.removing-keys»	(to "removing-keys")
# «.expect-ssh-xterm»	(to "expect-ssh-xterm")
# «.sshpass»		(to "sshpass")
# «.ssh-keygen»		(to "ssh-keygen")
# «.ssh-agent»	(to "ssh-agent")





#####
#
# sshd - 2012
# 2012nov01
#
#####

# «sshd-2012»  (to ".sshd-2012")
# (find-zsh "availabledebs | sort | grep ssh")
# (find-zsh "installeddebs | sort | grep ssh")
# (find-status   "openssh-server")
# (find-vldifile "openssh-server.list")
# (find-udfile   "openssh-server/")

# (find-vldifile "openssh-server.preinst")
# (find-vldifile "openssh-server.postinst")
# (find-vldifile "openssh-server.prerm")
# (find-vldifile "openssh-server.postrm")
# (find-vldifile "openssh-server.conffiles")
# (find-vldifile "openssh-server.config")
# (find-vldifile "openssh-server.templates")
# (find-vldifile "openssh-server.md5sums")

# (find-fline "/etc/default/ssh")
# (find-fline "/etc/default/ssh" "SSHD_OPTS=")
# (find-man "8 sshd")


# (find-pen-links)

* (eepitch-shell)
mkdir /tmp/pen/
sudo mount -o uid=$UID /dev/sdb1 /tmp/pen/
# (find-fline "/tmp/pen/")
sudo umount /tmp/pen
sync

cd $S/http/ftp.de.debian.org/debian/pool/main/o/openssh/
cp -v openssh-client-udeb_5.5p1-6+squeeze2_i386.udeb /tmp/pen/

# http://ftp.de.debian.org/debian/pool/main/o/openssh/
http://ftp.de.debian.org/debian/pool/main/o/openssh/openssh-client-udeb_5.5p1-6+squeeze2_i386.udeb
http://ftp.de.debian.org/debian/pool/main/o/openssh/openssh-client-udeb_5.5p1-6+squeeze2_ia64.udeb


<edrx> sudo /etc/init.d/ssh restart
<edrx> ssh edrx@localhost






# (find-status   "ssh")
# (find-vldifile "ssh.list")
# (find-udfile   "ssh/")
# (find-status   "openssh-client")
# (find-vldifile "openssh-client.list")
# (find-udfile   "openssh-client/")

# (find-man "1 scp")
# (find-man "1 ssh-agent")
# (find-man "1 ssh-keygen")
# (find-man "1 ssh-copy-id")
# (find-man "1 slogin")
# (find-man "1 ssh")
# (find-man "1 ssh-add")
# (find-man "1 ssh-add" "-d")
# (find-man "1 ssh-add" "-d" "removes identities from the agent")
# (find-man "1 make-ssh-known-hosts")
# (find-man "8 sshd")

# (find-man "1 ssh-add")
# (find-fline "~/.ssh/identity")
ssh-add -l

# (find-man "1 make-ssh-known-hosts")
# (find-fline "~/.ssh/known_hosts")

#*
echo hello > /tmp/hello
scp -v -B /tmp/hello edrx@angg.twu.net:/home2/edrx/tmp/hello
#*

# (find-fline "~edrx/.rhosts")
cat > ~edrx/.rhosts <<'---'
angg
angg root
angg.popolvuh
angg.popolvuh root
---
chown edrx.edrx ~edrx/.rhosts
chmod 600 ~edrx/.rhosts

# ssh -l edrxp angg
scp -v -B /tmp/hello edrxp@angg:hello
scp -v    /tmp/hello edrxp@angg:hello

#*

# (find-fline 

# (find-fline "/etc/ssh/")
# (find-fline "/etc/ssh/ssh_config")

# scp -v -B /tmp/hello edrx@angg.twu.net:/home2/edrx/tmp/hello
# Executing: host angg.twu.net, user edrx, command scp -v -t /home2/edrx/tmp/hello
# SSH Version OpenSSH-1.2.3, protocol version 1.5.
# Compiled with SSL.
# debug: Reading configuration data /etc/ssh/ssh_config
# debug: Applying options for *
# debug: ssh_connect: getuid 0 geteuid 0 anon 0
# debug: Connecting to angg.twu.net [63.97.42.127] port 22.
# debug: Allocated local port 721.
# debug: Connection established.
# debug: Remote protocol version 1.99, remote software version OpenSSH_2.1.1
# debug: Waiting for server public key.
# debug: Received server public key (768 bits) and host key (1024 bits).
# debug: Host 'angg.twu.net' is known and matches the host key.
# debug: Encryption type: 3des
# debug: Sent encrypted session key.
# debug: Installing crc compensation attack detector.
# debug: Received encrypted confirmation.
# debug: Trying RSA authentication with key 'root@angg'
# debug: Server refused our key.
# Permission denied.
# debug: Calling cleanup 0x8056840(0x0)
# lost connection


# (code-c-d "ssh" "/usr/src/openssh-1.2.2/")
# (find-sshfile "sshconnect.c" "Trying RSA authentication with key")
# (find-sshfile "readpass.c")

pdsc $SNUDEBIAN/dists/potato/non-US/main/source/openssh_1.2.2-1.4.dsc
cd /usr/src/openssh-1.2.2/
agrep -i 'pass(word|phrase)' $(find *)

groff -Tascii -t -ms RFC.nroff | l -S



#####
#
# ssh
# 99dec04
#
#####

# «ssh»

psnedebfrom $FNUDEBIAN <<'---'
   31708 dists/slink/non-US/source/ssh_1.2.26-1.2.diff.gz
     578 dists/slink/non-US/source/ssh_1.2.26-1.2.dsc
 1005284 dists/slink/non-US/source/ssh_1.2.26.orig.tar.gz
---

pdsc $SNUDEBIAN/dists/slink/non-US/source/ssh_1.2.26-1.2.dsc
cd /usr/src/ssh-1.2.26/
debian/rules binary	|& tee odrb

mv -v /usr/src/ssh*.deb /usr/src/.debs/
apt-update
apti ssh ssh-askpass

# (find-vldifile "ssh.list")
# (find-fline "/usr/doc/ssh/")

# (find-status   "ssh-askpass")
# (find-vldifile "ssh-askpass.list")
# (find-udfile   "ssh-askpass/")

# (find-man "1x x11-ssh-askpass")

# (find-sshfile "")
# (find-sshfile "odbp")
# (find-sshfile "debian/")
# (find-sshfile "README")

# (find-zshnode "Parameters Set By The Shell" "?" "exit status")
/usr/lib/ssh/x11-ssh-askpass
echo $?



#####
#
# Logging without password
# 2013feb10
#
#####

# «without-password» (to ".without-password")
# http://www.thegeekstuff.com/2008/11/3-steps-to-perform-ssh-login-without-password-using-ssh-keygen-ssh-copy-id/
# http://www.debian.org/devel/passwordlessssh
# (find-efunction 'find-newhost-links)
# (find-efunction 'find-newhost-links "ssh-keygen -R")

# (find-zsh "dmissing ssh-add")
# (find-man "1 ssh-add")
# (find-books "__comp/__comp.el" "ssh")

;; (find-snailbookpage (+ 16  32) "2.5. The SSH Agent")
;; (find-snailbooktext (+ 16  32) "2.5. The SSH Agent")

# (find-man "1 ssh-agent")

* (eepitch-shell)
* (eepitch-kill)
* (eepitch-shell)
# (find-sh "ps ax")
ps ax | grep agent
sudo killall -v -9 ssh-agent
ssh-agent | tee /tmp/sa.sh
cd /tmp/
scp edrx@127.0.0.1:/tmp/not-here .
. /tmp/sa.sh
scp edrx@127.0.0.1:/tmp/not-here .
ps ax | grep ssh-agent

# (find-sh "ps ax")
# (find-sh "pstree")

# (find-man "1 ssh-add")
# (find-man "1 ssh-add" "  -t life")
# (find-man "1 ssh-add" "-X" "Unlock the agent.")

ssh-add
ssh-add -l
ssh-add -L




#####
#
# ssh-agent: logging without password
# 2001may23
#
#####

# «without_password»  (to ".without_password")
# (find-man "ssh" "third authentication method")
# (find-man "ssh-agent")
# (find-man "ssh-add")
# (find-man "make-ssh-known-hosts")

#*
# Remove my keys and alephs's (I'm root and this is an offline box).
# (find-fline "~/.ssh/")
# (find-fline "~aleph/.ssh/")
laf ~/.ssh/
rm -v ~/.ssh/*

laf ~aleph/.ssh/
rm -v ~aleph/.ssh/*

# Weird, it seems that sshd remember some authorizations by itself...
# Restart it before running the demo below to get the pristine
# behaviour.
/etc/init.d/ssh restart

#*
# Initially logging as aleph requires aleph's password:
cat > $EEG <<'---'
aleph
exit
---
eeg ssh -l aleph angg

# But if I generate a private/public key pair for root,
# (find-man "1 ssh-keygen")
#
cat > $EEG <<'---'

FooBarFoo
FooBarFoo
---
eeg ssh-keygen

# (find-man "ssh" "can log in without giving the password.")
# And I copy my public key to aleph's .ssh/authorized_keys,
#
mkdir ~aleph/.ssh/
cat ~/.ssh/identity.pub >> ~aleph/.ssh/authorized_keys
chown -R aleph:aleph ~aleph/.ssh/
chmod 600 ~aleph/.ssh/authorized_keys

# Then trying to log as aleph will requires root's RSA passphrase.
# Let's start without a ssh-agent to understand how things work.
echo $(pidof ssh-agent)
kill $(pidof ssh-agent)
echo $(pidof ssh-agent)
#
cat > $EEG <<'---'
FooBarFoo
exit
---
eeg ssh -l aleph angg

# And nothing is saved if we just try to log again:
cat > $EEG <<'---'
FooBarFoo
exit
---
eeg ssh -l aleph angg

# If we start a ssh agent:
eval $(ssh-agent)
set | grep -a SSH

# and try to log again as aleph we will still need the passphrase:
cat > $EEG <<'---'
FooBarFoo
exit
---
eeg ssh -l aleph angg

# But maybe this is because the agent knows no keys... If we add
# root's key to it,
ssh-add -l
cat > $EEG <<'---'
FooBarFoo
---
eeg ssh-add
ssh-add -l

# and try again then we see that ssh and the local agent are able to
# convince aleph's sshd that we know the passphrase without we having
# to type it again:
cat > $EEG <<'---'
exit
---
eeg ssh -l aleph angg

# If the agent dies we'll have to type the key again, of course.
echo $(pidof ssh-agent)
kill $(pidof ssh-agent)
echo $(pidof ssh-agent)
#
cat > $EEG <<'---'
FooBarFoo
exit
---
eeg ssh -l aleph angg

# If root loses its ~/.ssh/identity* files then we get back to using
# passwords.
rm -v ~/.ssh/identity*
cat > $EEG <<'---'
aleph
exit
---
eeg ssh -l aleph angg

# And if we generate another pair of keys for root and update the
# agent to use this new key,
# (find-man "1 ssh-keygen")
#
cat > $EEG <<'---'

FooBarFoo
FooBarFoo
---
eeg ssh-keygen
echo $(pidof ssh-agent)
kill $(pidof ssh-agent)
echo $(pidof ssh-agent)
eval $(ssh-agent)
set | grep -a SSH
echo $(pidof ssh-agent)
ssh-add -l
cat > $EEG <<'---'
FooBarFoo
---
eeg ssh-add
ssh-add -l

# Then our keys won't match the ones for root@angg at aleph's place,
# and ssh will give up RSA authentication and fall back to the
# traditional password scheme.
cat > $EEG <<'---'
aleph
exit
---
eeg ssh -l aleph angg

# But of course we can update our public key in aleph's home; as aleph
# is in the local machine we will do that using root's powers, instead
# of logging there with aleph's password...
mkdir ~aleph/.ssh/
cat ~/.ssh/identity.pub >> ~aleph/.ssh/authorized_keys
chown -R aleph:aleph ~aleph/.ssh/
chmod 600 ~aleph/.ssh/authorized_keys

# Note that we have ADDED a second "root@angg" key to aleph's list of
# authorized keys, instead of just replacing the obsolete one... but
# ssh is smart and will check all the keys in the list and use the
# right one: we will be able to log without password or passphrase.
cat > $EEG <<'---'
exit
---
eeg ssh -l aleph angg

# (find-fline "~/.ssh/")
# (find-fline "~aleph/.ssh/")
#*




#####
#
# Allow logging from one mat.puc-rio machine into another without password 
# 2001may29
#
#####

# «mat.puc-rio»  (to ".mat.puc-rio")
# This trick works because my home dir is shared (NFS).
#*
cd ~/.ssh/
rm -v identity identity.pub
ssh-keygen -N '' -f ~/.ssh/identity

#*
echo $(pidof ssh-agent)
kill $(pidof ssh-agent)
echo $(pidof ssh-agent)
eval $(ssh-agent)
set | grep -a SSH
ssh-add
ssh-add -l
cd ~/.ssh/
(grep -v mat.puc-rio.br authorized_keys
 cat identity.pub
) > authorized_keys.new
laf authorized_keys*
mv -v authorized_keys.new authorized_keys
laf

#*
cd ~/.ssh/
echo $(pidof ssh-agent)
kill $(pidof ssh-agent)
echo $(pidof ssh-agent)
rm -v identity*

#*




#####
#
# ssh-agent in init.d
# 2001jun28
#
#####

# «ssh-agent_init.d»  (to ".ssh-agent_init.d")
# (find-sh "locate ssh-agent")
# (find-fline "/etc/X11/Xsession.d/90x11-common_ssh-agent")
# (find-books "__comp/__comp.el" "ssh")
# (find-snailbookpage (+ 16  32) "2.5. The SSH Agent")
# (find-snailbooktext (+ 16  32) "2.5. The SSH Agent")

#*
cat > /etc/init.d/ssh-agent <<'---'
#!/bin/sh
# (find-es "ssh" "ssh-agent_init.d")
case "$1" in
start|restart)
	echo "$1ing ssh-agent:"
	echo $(pidof ssh-agent)
	kill $(pidof ssh-agent)
	echo $(pidof ssh-agent)
	ssh-agent > /tmp/.ssh-agent.out
	;;
stop)
	echo "$1ing ssh-agent:"
	echo $(pidof ssh-agent)
	kill $(pidof ssh-agent)
	echo $(pidof ssh-agent)
	;;
*)
	printf "Usage: $0 {start|stop|restart}\n" >&2
	exit 1
	;;
esac
exit 0
---
chmod 755 /etc/init.d/ssh-agent
# (find-fline "/etc/inittab" "default runlevel")
ln -sf ../init.d/ssh-agent S90ssh-agent

/etc/init.d/ssh-agent restart
# (find-fline "~/.ssh/.ssh-agent.out")
#*



#####
#
# ssh-agent (2013)
# 2013jul20
#
#####

# «ssh-agent» (to ".ssh-agent")
# http://www.debian.org/devel/passwordlessssh






#####
#
# Snail Book
# 2006sep23
#
#####

# «snailbook»  (to ".snailbook")
# (find-books "__comp/__comp.el" "ssh")
# http://www.flazx.com/
# http://gigapedia.com/items/4269/ssh--the-secure-shell---the-definitive-guide--2nd-edition--2005-01
# (find-status   "chmlib-bin")
# (find-vldifile "chmlib-bin.list")
# (find-udfile   "chmlib-bin/")
#*
cd /tmp/
extract_chmLib \
  ~/tmp/OReilly.SSH.The.Secure.Shell.The.Definitive.Guide.2nd.Edition.May.2005.eBook-DDU.chm \
  /tmp/snail/

#*
# (find-fline "/tmp/")
# (find-fline "/tmp/snail/0596008953/")
# (code-c-d "snailbook" "/tmp/snail/0596008953/")
# (find-snailbookfile "")
# (find-snailbookw3m "index_P.html" "port forwarding")




#####
#
# sskaskpass
# 2007dec28
#
#####

# «sshaskpass»  (to ".sshaskpass")
# http://www.dicas-l.com.br/dicas-l/20050804.php
# (find-fline "~/.ssh/")
# (find-caramelofile "")
# (find-caramelofile ".ssh/")
# (find-fline "~/.ssh/")
# (find-es "ssh")

* (eepitch-eshell)
* (eepitch-kill)
* (eepitch-eshell)
# ssh-keygen

cd (ee-caramelofile "")
mkdir .ssh/
cd .ssh/
cp ~/id_rsa.pub .
cp ~/id_rsa.pub authorized_keys


* (eepitch-eshell)
* (eepitch-kill)
* (eepitch-eshell)
# ssh-keygen

# (find-zumbifile "")
cd  (ee-zumbifile "")
mkdir .ssh/
cd .ssh/
cp ~/.ssh/id_rsa.pub .
cp ~/.ssh/id_rsa.pub authorized_keys




#####
#
# openssh (from the debian sources)
# 2008jan30
#
#####

# «openssh-deb-src»  (to ".openssh-deb-src")
# «ssh-copy-id»  (to ".ssh-copy-id")
# http://ftp.debian.org/debian/pool/main/o/openssh/
# http://ftp.debian.org/debian/pool/main/o/openssh/openssh_4.7p1-2.dsc
# http://ftp.debian.org/debian/pool/main/o/openssh/openssh_4.7p1-2.diff.gz
# http://ftp.debian.org/debian/pool/main/o/openssh/openssh_4.7p1.orig.tar.gz
#*
rm -Rv ~/usrc/openssh/
mkdir  ~/usrc/openssh/
cd $S/http/ftp.debian.org/debian/pool/main/o/openssh/
cp -v openssh_4.7p1* ~/usrc/openssh/
cd     ~/usrc/openssh/
dpkg-source -sn -x openssh_4.7p1-2.dsc
cd     ~/usrc/openssh/openssh-4.7p1/
# dpkg-buildpackage -us -uc -b -rfakeroot     |& tee odb

#*
# (find-fline "~/usrc/openssh/")
* (eepitch-shell)
cd ~/usrc/openssh/
sudo dpkg -i *.deb

#*
# (code-c-d "openssh" "~/usrc/openssh/openssh-4.7p1/")
# (find-opensshfile "")
# (find-opensshgrep "grep -nH -e authorized_keys $(find *)")
# (find-man "1 ssh-copy-id")

# (find-man "ssh-add")

* (eepitch-shell)
* (eepitch-kill)
* (eepitch-shell)
cd ~/.ssh/
cd ~/.ssh/id_rsa.pub
ssh-copy-id edrx@dekooning
ssh-copy-id -i ~/.ssh/id_rsa.pub edrx@dekooning

cd ~/.ssh/
cd ~/.ssh/id_rsa.pub
# (find-fline "~/.ssh/id_rsa.pub")

* (eexterm-dekooning)
* (find-sh0 "xhost +dekooning")
* (find-sh0 "xhost +10.1.0.101")
R
export DISPLAY=10.1.0.101:0
xterm &
ae /etc/hosts


* (eepitch-dekooning)
* (eepitch-kill)
* (eepitch-dekooning)

* (eepitch-dekooning)
* (eepitch-kill)
* (eepitch-dekooning)





cd ~/.ssh/
cd ~/.ssh/id_rsa.pub
ssh-copy-id edrx@dekooning
ssh-copy-id -i ~/.ssh/id_rsa.pub edrx@dekooning




#####
#
# ssh-vulnkey
# 2009apr26
#
#####

# «ssh-vulnkey»  (to ".ssh-vulnkey")




#####
#
# "The authenticity of host 'blah' can't be established"
# 2009oct21
#
#####

# «known_hosts»  (to ".known_hosts")
# (find-man "5 ssh_config")
# (find-man "5 ssh_config" "UserKnownHostsFile")
# (find-man "5 ssh_config" "CheckHostIP")
# (find-man "5 ssh_config" "BatchMode")
# (find-man "5 ssh_config" "RSAAuthentication")
# (find-fline "/etc/ssh/ssh_config")
# (find-fline "/etc/ssh/ssh_config" "IdentityFile")
# (find-fline "~/.ssh/known_hosts")

# (find-man "1 ssh")
# (find-man "1 ssh" "    -o option")
# (find-man "1 ssh" "known_hosts")
# (find-man "1 ssh" "    -i identity_file")
# (find-man "1 ssh" "RSAAuthentication")
# (find-man "1 ssh" "HashKnownHosts")
# (find-angg "EXPECT/autopasswd")
# The authenticity of host '127.0.0.1 (127.0.0.1)' can't be established.
# RSA key fingerprint is fe:91:96:a9:eb:9b:d5:5f:50:36:7d:9e:68:3a:26:cd.
# Are you sure you want to continue connecting (yes/no)? yes

* (eepitch-shell)
* (eepitch-kill)
* (eepitch-shell)
rm -v ~/.ssh/known_hosts
ssh -o 'CheckHostIP=no' edrx@127.0.0.1
ssh -o 'BatchMode=yes' edrx@127.0.0.1
ssh -o 'CheckHostIP=no' -o 'VisualHostKey=yes' edrx@127.0.0.1
ssh -o 'User=aleph' 127.0.0.1



# (find-adduser-links "aleph" "aleph")

* (eepitch-shell)
* (eepitch-kill)
* (eepitch-shell)
ssh aleph@127.0.0.1
# Does not work:
ssh aleph@127.0.0.1 sudo -u edrx zsh




# @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
# @       WARNING: POSSIBLE DNS SPOOFING DETECTED!          @
# @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
# The RSA host key for angg.twu.net has changed,
# and the key for the corresponding IP address 66.135.44.32
# is unknown. This could either mean that
# DNS SPOOFING is happening or the IP address for the host
# and its host key have changed at the same time.
# @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
# @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
# @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
# IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
# Someone could be eavesdropping on you right now (man-in-the-middle attack)!
# It is also possible that a host key has just been changed.
# The fingerprint for the RSA key sent by the remote host is
# 68:80:43:76:23:49:0a:69:5a:e9:a7:9e:eb:d6:1b:e5.
# Please contact your system administrator.
# Add correct host key in /home/edrx/.ssh/known_hosts to get rid of this message.
# Offending RSA key in /home/edrx/.ssh/known_hosts:1
# RSA host key for angg.twu.net has changed and you have requested strict checking.
# Host key verification failed.





#####
#
# X11 forwarding
# 2010jul01
#
#####

# «x11-forwarding»  (to ".x11-forwarding")
# (find-man "1 ssh" "-X" "Enables X11 forwarding")
# (find-efunction 'find-adduser-links)
# (find-adduser-links "aleph" "aleph")

* (eexterm "A")
ssh -X aleph@localhost
aleph
xterm &
exit

* (eexterm "A")
ssh -X aleph@localhost xterm
aleph
xterm &
exit

* (eexterm "A" "ssh -X aleph@localhost")
aleph
ssh -X aleph@localhost xterm


ssh -X aleph@localhost




#####
#
# Remove a key from ~/.ssh/known_hosts
# 2012apr03
#
#####

# «removing-keys»  (to ".removing-keys")
# (find-man "1 ssh-keygen")
# (find-man "1 ssh-keygen"   "-R hostname")
# (find-man "1 ssh-keygen" "  -R hostname")
# http://askubuntu.com/questions/20865/is-it-possible-to-remove-a-particular-host-key-from-sshs-known-hosts-file
# http://superuser.com/questions/30087/remove-key-from-known-hosts





#####
#
# Expect tricks (unfinished)
# 2010jul01
#
#####

# «expect-ssh-xterm»  (to ".expect-ssh-xterm")
# (find-efunction 'find-adduser-links)
# (find-adduser-links)
# (find-adduser-links "aleph" "aleph")
# (find-es "ssh" "x11-forwarding")
# (find-angg ".zshrc" "autopasswd")
#*
# (eev-bounded)

rm -Rv ~/.ssh/
expect -c '
  eval spawn ssh -X aleph@localhost xterm
  proc answer {str} { sleep 0.5; send $str\n }
  interact {
    -o "password: " { send_user "p4ssword: "; answer aleph }
       "(yes/no)? " { send_user "(yes/n0)? "; answer yes }
  }
'

#*
# (find-es "expect" "passwords")
# (find-expcommand "interact")

* (eexterm-dekooning)
* (find-sh0 "xhost +dekooning")
* (find-sh0 "xhost +10.1.0.101")
R
export DISPLAY=10.1.0.101:0
xterm &
ae /etc/hosts




#####
#
# sshpass
# 2013feb13
#
#####

# «sshpass» (to ".sshpass")
# (find-status   "sshpass")
# (find-vldifile "sshpass.list")
# (find-udfile   "sshpass/")
# http://sourceforge.net/projects/sshpass

# (find-man "1 sshpass")
# (find-udfile "sshpass/changelog.gz")

sshpass -p edrx ssh edrx@127.0.0.1



#####
#
# Generating a key
# 2013jul20
#
#####

# «ssh-keygen» (to ".ssh-keygen")
# (find-es "x" "xclip")
# (find-man "1 ssh-keygen")
# (find-man "1 ssh-keygen" "-t type")
# (find-man "1 ssh-keygen" "-t type" "-C comment")
# (find-man "1 ssh-keygen" "~/.ssh/id_rsa")
# https://help.github.com/articles/generating-ssh-keys
# https://help.github.com/articles/working-with-ssh-key-passphrases



#####
#
# rsync between the machines at birdland
#
#####

# (find-zsh "dmissing sshd")
apti openssh-server



http://blogs.perl.org/users/smylers/2011/08/ssh-productivity-tips.html






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