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Old 03-08-2012, 01:02 PM
lina
 
Default history configuration

On Thu, Mar 8, 2012 at 12:01 PM, Karl Vogel <vogelke+debian@pobox.com> wrote:
>>> On Wed, 29 Feb 2012 00:19:19 +0800, lina <lina.lastname@gmail.com> said:
>
> L> How to configure to make each terminal share one "history"? *I found
> L> each terminal saves its own history and no sharing. *Is it possible to
> L> let them share?
>
> * You can if you don't mind stretching the definition of "share". *Have a
> * look at this page to see how to save your command history to syslog:
> * * *http://jablonskis.org/2011/howto-log-bash-history-to-syslog/
>
> * Here's an example. *I added this to the end of ~/.bashrc to save history
> * to my own file and the system log:
>
> * * *export PROMPT_COMMAND='history -a >(tee -a ~/.bash_history |
> * * * *logger -p local2.notice -t "$USER [$$] $SSH_CONNECTION")'
>
> * This sends my history to facility "local2" with priority "notice".
> * I fixed syslog so local[25] messages only show up in one place; I already
> * use local5 for output from a backup program. *Here's the relevant part
> * of /etc/syslog.conf -- backslashes must be at the end of the lines:
>
> * * *# Log anything (except mail) of level info or higher.
> * * *# Don't log private authentication messages!
> * * **.info;kern.none;mail.none;
> * * * * authpriv.none;auth.none;local2.none;
> * * * * local5.none;cron.none * * * * * * * * * /var/log/messages
> * * *# Auth logfiles are restricted.
> * * *authpriv.* * * * * * * * * * * * * * * * * /var/log/secure
> * * *auth.* * * * * * * * * * * * * * * * * * * /var/log/authlog
> * * *# Local logs.
> * * *local0.* * * * * * * * * * * * * * * * * * /var/log/local0log
> * * *local1.* * * * * * * * * * * * * * * * * * /var/log/local1log
> * * *local2.* * * * * * * * * * * * * * * * * * /var/log/local2log
> * * *local3.* * * * * * * * * * * * * * * * * * /var/log/local3log
> * * *local4.* * * * * * * * * * * * * * * * * * /var/log/local4log
> * * *local5.* * * * * * * * * * * * * * * * * * /var/log/local5log
> * * *local6.* * * * * * * * * * * * * * * * * * /var/log/local6log
> * * *# Cron stuff
> * * *cron.* * * * * * * * * * * * * * * * * * * /var/log/cron
>
> * Here's what my history looks like:
>
> * * *me% tail -3 /var/log/local2log
> * * *Mar 7 22:09:22 svr1 vogelke [149] 1.2.3.4 46555 5.6.7.8 22: which logger
> * * *Mar 7 22:09:31 svr1 vogelke [149] 1.2.3.4 46555 5.6.7.8 22: echo $PATH
> * * *Mar 7 22:09:44 svr1 vogelke [149] 1.2.3.4 46555 5.6.7.8 22: dir /var/log/local*
>
> * * *me% tail -3 $HOME/.bash_history
> * * *which logger
> * * *echo $PATH
> * * *dir /var/log/local*
>
> * "1.2.3.4" is where I'm connecting from, "5.6.7.8" (aka "svr1") is the
> * host I'm connecting to via SSH. *If you use the Z-shell instead of bash,
> * the method is pretty similar -- add this function to the bottom of your
> * ~/.zshrc file:
>
> * * *# Log commands, return codes and the current working directory.
> * * *# Based on:
> * * *#
> * * *# * http://blogs.sun.com/chrisg/entry/logging_commands_in_korn_shell
> * * *# * Logging commands in korn shell
> * * *# * Chris Gerhard
> * * *# * Thu, 2 Mar 2006 09:47:29 -0500
> * * *#
> * * *# Don't try to put local on the x= line. *If you do,
> * * *# any command arguments (i.e., "ls -la") will throw an error:
> * * *# * precmd:local:2: not an identifier: -la
> * * *precmd () {
> * * * * *typeset -i stat=$?
> * * * * *local x
> * * * * *x=$(fc -ln -1)
> * * * * *local d="$(/bin/pwd)"
> * * * * *logger -p local2.notice -t "$LOGNAME $$" $stat: $d: ($x)
> * * *}
>
> * In order to really share this, you'd probably have to write something to
> * grub around in the syslog file.

Thanks Karl, I will "bookmark" this email and do it one day when I get
more understandings.

Best regards,
>
> --
> Karl Vogel * * * * * * * * * * *I don't speak for the USAF or my company
>
> She acts like she's on the phone to avoid certain customers. *One time it rang.
> * * * * * * * * * * --Jimmy Fallon, #mycoworkeriscrazy tweets, 2 Mar 2012
>
>
> --
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