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UNIX for Dummies Questions & Answers
Interesting date/ps time mismatch
Post 92659 by r0sc0 on Tuesday 13th of December 2005 12:50:46 PM
12-13-2005
Here's the output, file times are not affected.
I would say that something is pretty wrong even though files are affected 
This is not good!
Quote:
SHELL=/bin/bash
TERM=xterm
HISTSIZE=1000
USER=root
USERNAME=root
MAIL=/var/spool/mail/root
PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/courier-imap/sbin:/usr/lib/courier-imap/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin
INPUTRC=/etc/inputrc
PWD=/root
LANG=en_US.UTF-8
SHLVL=1
HOME=/root
BASH_ENV=/root/.bashrc
LOGNAME=root
LESSOPEN=|/usr/bin/lesspipe.sh %s
G_BROKEN_FILENAMES=1
_=/bin/env
[root@system root]# type ps ; type date
ps is hashed (/bin/ps)
date is hashed (/bin/date)
[root@system root]# date ; date -u
Tue Dec 13 12:41:54 EST 2005
Tue Dec 13 17:41:54 UTC 2005
[root@system root]# date ; perl -e 'print time(), " ", localtime(time()), "\n"'
Tue Dec 13 12:41:54 EST 2005
1134495715 554112131110523460
[root@system root]# touch fubar ; date ; ls -l fubar
Tue Dec 13 12:41:55 EST 2005
-rw-r--r-- 1 root root 0 Dec 13 12:41 fubar
[root@system root]# { sleep 1000 & } ; ps -fp $! ; ls -l /proc/$! ; kill $!
[1] 16681
UID PID PPID C STIME TTY TIME CMD
root 16681 12733 0 12:54 pts/83 00:00:00 sleep 1000
total 0
dr-xr-xr-x 2 root root 0 Dec 13 12:44 attr
-r-------- 1 root root 0 Dec 13 12:44 auxv
-r--r--r-- 1 root root 0 Dec 13 12:44 cmdline
lrwxrwxrwx 1 root root 0 Dec 13 12:44 cwd -> /root
-r-------- 1 root root 0 Dec 13 12:44 environ
lrwxrwxrwx 1 root root 0 Dec 13 12:44 exe -> /bin/sleep
dr-x------ 2 root root 0 Dec 13 12:44 fd
-r-------- 1 root root 0 Dec 13 12:44 maps
-rw------- 1 root root 0 Dec 13 12:44 mem
-r--r--r-- 1 root root 0 Dec 13 12:44 mounts
lrwxrwxrwx 1 root root 0 Dec 13 12:44 root -> /
-r--r--r-- 1 root root 0 Dec 13 12:44 stat
-r--r--r-- 1 root root 0 Dec 13 12:44 statm
-r--r--r-- 1 root root 0 Dec 13 12:44 status
dr-xr-xr-x 3 root root 0 Dec 13 12:44 task
-r--r--r-- 1 root root 0 Dec 13 12:44 wchan
[1]+ Terminated sleep 1000
TERM=xterm
HISTSIZE=1000
USER=root
USERNAME=root
MAIL=/var/spool/mail/root
PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/courier-imap/sbin:/usr/lib/courier-imap/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin
INPUTRC=/etc/inputrc
PWD=/root
LANG=en_US.UTF-8
SHLVL=1
HOME=/root
BASH_ENV=/root/.bashrc
LOGNAME=root
LESSOPEN=|/usr/bin/lesspipe.sh %s
G_BROKEN_FILENAMES=1
_=/bin/env
[root@system root]# type ps ; type date
ps is hashed (/bin/ps)
date is hashed (/bin/date)
[root@system root]# date ; date -u
Tue Dec 13 12:41:54 EST 2005
Tue Dec 13 17:41:54 UTC 2005
[root@system root]# date ; perl -e 'print time(), " ", localtime(time()), "\n"'
Tue Dec 13 12:41:54 EST 2005
1134495715 554112131110523460
[root@system root]# touch fubar ; date ; ls -l fubar
Tue Dec 13 12:41:55 EST 2005
-rw-r--r-- 1 root root 0 Dec 13 12:41 fubar
[root@system root]# { sleep 1000 & } ; ps -fp $! ; ls -l /proc/$! ; kill $!
[1] 16681
UID PID PPID C STIME TTY TIME CMD
root 16681 12733 0 12:54 pts/83 00:00:00 sleep 1000
total 0
dr-xr-xr-x 2 root root 0 Dec 13 12:44 attr
-r-------- 1 root root 0 Dec 13 12:44 auxv
-r--r--r-- 1 root root 0 Dec 13 12:44 cmdline
lrwxrwxrwx 1 root root 0 Dec 13 12:44 cwd -> /root
-r-------- 1 root root 0 Dec 13 12:44 environ
lrwxrwxrwx 1 root root 0 Dec 13 12:44 exe -> /bin/sleep
dr-x------ 2 root root 0 Dec 13 12:44 fd
-r-------- 1 root root 0 Dec 13 12:44 maps
-rw------- 1 root root 0 Dec 13 12:44 mem
-r--r--r-- 1 root root 0 Dec 13 12:44 mounts
lrwxrwxrwx 1 root root 0 Dec 13 12:44 root -> /
-r--r--r-- 1 root root 0 Dec 13 12:44 stat
-r--r--r-- 1 root root 0 Dec 13 12:44 statm
-r--r--r-- 1 root root 0 Dec 13 12:44 status
dr-xr-xr-x 3 root root 0 Dec 13 12:44 task
-r--r--r-- 1 root root 0 Dec 13 12:44 wchan
[1]+ Terminated sleep 1000
This is not good!|
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LEARN ABOUT ULTRIX
gzexe
GZEXE(1) General Commands Manual GZEXE(1) NAME
gzexe - compress executable files in place SYNOPSIS
gzexe name ... DESCRIPTION
The gzexe utility allows you to compress executables in place and have them automatically uncompress and execute when you run them (at a penalty in performance). For example if you execute ``gzexe /usr/bin/gdb'' it will create the following two files: -rwxr-xr-x 1 root root 1026675 Jun 7 13:53 /usr/bin/gdb -rwxr-xr-x 1 root root 2304524 May 30 13:02 /usr/bin/gdb~ /usr/bin/gdb~ is the original file and /usr/bin/gdb is the self-uncompressing executable file. You can remove /usr/bin/gdb~ once you are sure that /usr/bin/gdb works properly. This utility is most useful on systems with very small disks. OPTIONS
-d Decompress the given executables instead of compressing them. SEE ALSO
gzip(1), znew(1), zmore(1), zcmp(1), zforce(1) CAVEATS
The compressed executable is a shell script. This may create some security holes. In particular, the compressed executable relies on the PATH environment variable to find gzip and some standard utilities (basename, chmod, ln, mkdir, mktemp, rm, sleep, and tail). BUGS
gzexe attempts to retain the original file attributes on the compressed executable, but you may have to fix them manually in some cases, using chmod or chown. GZEXE(1)