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2014-05-24

how-to push files of specific type to ansible conf file defined hosts

# == START push files of specific type to ansible conf file defined hosts
export dir=/opt/foo/bar/sfw/sh
export ext=*.sh
ls -1 $dir/$ext | { while read -r line; do \
echo START === $line ; export src_file=$line ; export dest_file=$line ; 
export owner=root ; export group=root ; export mode=0770 ; \
ansible bdc -m command -a "mkdir -p $dir" ; \
ansible bdc -m copy -a "src=$src_file dest=$dest_file owner=$owner group=$group mode=$mode" ; \
echo -e "STOP  === $line \n\n" ; done ; }
# == STOP push files of specific type to ansible conf file defined hosts

how-to copy file with ansible to multiple hosts

# START === how-to copy file with ansible to multiple hosts
export src_file=/etc/ssh/sshd_config
export dst_file=/etc/ssh/sshd_config
export owner=root
export group=root
export mode=0600
ansible bdc -m copy -a "src=$src_file dest=$dst_file owner=$owner group=$group mode=$mode"
# STOP  === how-to copy file with ansible to multiple hosts

how-to scp file and run one-liner on multiple pkk configured hosts via ssh

# == START run ssh cmd and copy files in parallel on multiple hosts
export ssh_user="type_your_ssh_user_here"
#build the host names containing list file
export hosts_file=/tmp/hosts.lst
cat <<EOF > $hosts_file
managementnode1
datanode1
datanode2
datanode3
EOF
 
# define the name of the file to deploy on the hosts
export file=/etc/ssh/sshd_config
 
# optionally run any cmd on the hosts
export cmd="sh /opt/anc/anp/sfw/sh/file-saver.sh -f $file"
 
# run ssh in subshells in parallel and scp the file to all hosts
cat $hosts_file | while read -r host ; do ( \
echo -e "\n\n START $host" ; \
ssh $ssh_user@$host "$cmd" ; \
scp -p $file root@$host:$file \
& )& done ;
 
# clean-up
rm -fv $hosts_file
# == STOP run ssh cmd and copy files in parallel on multiple hosts

2014-05-16

how-to install ansible on Red Hat without yum

easy_install Jinja2
easy_install pkg
easy_install pip
pip install ansible

2014-05-15

how-to configure public private key authentication between ssh client and ssh server with open ssh

# START ====== configure root auth from client till server
# start from the client $ssh_user@$ssh_client [~] $ 
export ssh_user="the_user"
export ssh_server="the_ssh_server"
# START === how-to implement public private key ( pkk ) authentication 
# create pub priv keys on server
# START copy on the client
test -f ~/.ssh/authorized_keys || ssh-keygen -t rsa 
# copy the rsa pub key to the ssh server
scp ~/.ssh/id_rsa.pub $ssh_user@$ssh_server:/home/$ssh_user/
# to to the server
ssh $ssh_user@$ssh_server
# STOP copy  on the client
 
# START copy on the server
test -f ~/.ssh/authorized_keys || ssh-keygen -t rsa 
#Hist enter twice if prompted to
cat id_rsa.pub >> ~/.ssh/authorized_keys
cat ~/.ssh/authorized_keys
chmod -v 0700 ~/.ssh
chmod -v 0600 ~/.ssh/authorized_keys
chmod -v 0600 ~/.ssh/id_rsa
chmod -v 0644 ~/.ssh/id_rsa.pub
find ~/.ssh -exec stat -c "%U:%G %a %n" {} \;
rm -fv ~/id_rsa.pub
exit 
# and verify
ssh $ssh_user@$ssh_server
exit
# STOP COPY
 
# START copy 
# on the client
test -f ~/.ssh/authorized_keys2 || echo ssh-keygen -t dsa
# Hit enter twice if prompted to ...
scp ~/.ssh/id_dsa.pub $ssh_user@$ssh_server:/home/$ssh_user/
ssh $ssh_user@$ssh_server
 
# START copy on the server
test -f ~/.ssh/authorized_keys2 || ssh-keygen -t dsa
# hit enter twice if prompted to 
scp ~/.ssh/id_dsa.pub $ssh_user@$ssh_server:/home/$ssh_user/
cat id_dsa.pub >> ~/.ssh/authorized_keys2
cat ~/.ssh/authorized_keys2
chmod -v 0700 ~/.ssh
chmod -v 0600 ~/.ssh/authorized_keys2
chmod -v 0600 ~/.ssh/id_dsa
chmod -v 0644 ~/.ssh/id_dsa.pub
find ~/.ssh -exec stat -c "%U:%G %a %n" {} \;
rm -fv ~/id_dsa.pub
exit
# and verify
ssh $ssh_user@$ssh_server
exit
# STOP COPY
# STOP === how-to implement public private key authentication
# STOP ====== configure root auth from ssh_client till ssh_server

2014-05-06

how-to quickly get the current time in cmd and Windows

@echo off
:: file: GetNiceTime.cmd 
 
echo set hhmmsss
:: this is Regional settings dependant so tweak this according your current settings
for /f "tokens=1-3 delims=,: " %%a in ('echo %time%') do set hhmmsss=%%a%%b%%c
for /f "tokens=1-3 delims=,: " %%a in ('echo %time%') do set _hhmmsss=%%a:%%b:%%c
 
if /i %%a%%b%%c LSS 99999 SET hhmmsss=0%hhmmsss%
if /i %%a%%b%%c LSS 99999 SET _hhmmsss=0%_hhmmsss%
 
 
:: DEBUG PAUSE
ECHO hhmmsss IS %hhmmsss%
:: DEBUG PAUSE
:: echo yyyymmdd is %yyyymmdd%
:: this is Regional settings dependant so tweak this according your current settings
for /f "tokens=2-4 delims=. " %%D in ('echo %DATE%') do set  yyyymmdd=%%F%%E%%D
for /f "tokens=2-4 delims=. " %%D in ('echo %DATE%') do set  _yyyymmdd=%%F-%%E-%%D
::DEBUG 
ECHO yyyymmdd IS %yyyymmdd%
:: DEBUG PAUSE
 
 
 
set NICETIME=%yyyymmdd%_%hhmmsss%
set _NICETIME=%_yyyymmdd% %_hhmmsss%
 
 
:: THIS NEEDS THE CLIP.EXE command line tool from the windows server 2003 resource kit 
echo NICETIME IS %NICETIME% 
echo %_NICETIME%| CLIP
 
:: DEBUG PAUSE
echo THE NICETIME IS %NICETIME%
echo THE _NICETIME IS %_NICETIME%
:: DEBUG PAUSE
 
:: REQUIREMENTS
:: ============================================================================
:: CLIP - google download windows resource kit 
 
:: USAGE: 
:: ============================================================================
:: PLACE IN YOUR PATH 
:: Start - Run, type : GetNiceTime
:: Ctrl + V 
 
:: eof file: GetNiceTime.cmd 

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