Re: Teach me, please!!!

[Phung Phuong Nam <ppn@iist.unu.edu>]

Vu Thanh Ca wrote:
> 
> Ca'm o+n hai ba'c Paul Pham va` DDa`m So+n. Tuy nhie^n, to^i dda~
> du`ng le^.nh df ma` kie^?m tra, ddi~a cu+'ng co`n i't nha^'t 100 MB.
> Ma` cu~ng kho^ng muo^'n mua the^m ddi~a cu+'ng vi` ca'i ma'y na`y
> dda~ bi. coi la` garbage ro^`i. To^i cho ra(`ng khi kho+?i ddo^.ng,
> ma^'y ca'i file message do' se~ ddu+o+.c load le^n bo^. nho+'. Bo^.
> nho+' la` 30 MB, ma` to^i chi? mo+'i xo'a co' 6MB tho^i, the^' ma` no'
> dda~ to^'t ro^`i. Ba'c na`o bie^'t the^m thi` chi? cho to^i nhe'.
> 
> Ca.
ba'c ca,

ca'i shell script na`y ne^n dda(.t te^n la` remove
   ba'c ta.o te^.p remove co' no^.i dung nhu+ sau :<>
   ca'i te^.p na`y la` cu?a user Local ba'c pha?i su+?a la.i no^.i dung
   cho phu` ho+.p vo+'i ba'c tho^i.
   ddo^?i quye^`n cha.y te^.p cho remove va` chi? co' ba'c ddu+o+.c
ddo.c
      ca:> chmod 700 remove
   te^.p na`y ddu+o+.c thie^'t ke^' cho qua?n tri. ma.ng nho?
   va` ddang ch.ay tre^n ma'y RedHat, SunOS 4.1.3 va` SunSolaris 2.5.1
      ca:> remove
   no' se~ kho^ng la`m gi` vo+'i ca'c user co' thu+ mu.c la`
Local/Mirror
   no' se~ email ke^'t qua? cho user operator qua le^.nh mail

du` sao thi` SysAdmin cu~ng la` co^ng vie^.c kho^ng de^~
ne^'u ba'c thi'ch tui se~ gu+?i cho ba'c "hu+o+'ng da^~n ve^` SysAdmin"

chu'c ba'c tha`nh co^ng


#!/bin/sh
# script to remove those files which have not been accessed
# for two weeks and match the following
# 1) *~, *.rsl%
#
# for one week
# 2) *.aux, *.dvi, *.log, *.dlog, *.toc,   and #* except those in
~/archive
# 3) ,* in /home/*/Mail
# 4) .raise_dump.*
# 5) ,*
#
# daily removing of core files
# 6) core
# 7) .netscape-cache
# 8) /disks/x3/space/pstmp
#
#-------------------------------------------------------------------------
# Create 2.1997 by ppn@iist.unu.edu
#-------------------------------------------------------------------------
#
# determine log file
wd=`date  '+%a'`
ts=`date +%y%m%d%H%M%S`
f=/home/Local/removelogs/$ts
g=$f
touch $f
if [ ! -w $f ] ; then
  f=/`date +%y%m%d%H%M%S`
  touch $f
  if [ ! -w $f ] ; then
    f=/etc/`date +%y%m%d%H%M%S`
    touch $f
    if [ ! -w $f ] ; then
      f=/dev/null
    fi
  fi
fi
if [ $f != $g ]; then
    echo removed log file is $f | /usr/ucb/mail operator
fi

# make sure log file is empty
echo removed log file `date` > $f

# For files generated by LaTeX
cd /home
# two weekly removing
for d in *; do
    if [ "$d" != "Mirror" -a "$d" != "Local"  ]; then
       find /home/$d/.  \( -name '*~'  -o  -name '*.rsl%'  \) \
          -atime +14  -ls >> $f -exec rm {} \;  -o \( -name archive
-prune \)
    fi
done

# Weekly removing
cd /home
for d in *; do
    if [ "$d" != "Mirror" -a "$d" != "Local"  ]; then
       find /home/$d/.  \( -name '*.aux' -o  -name '*.dvi' -o -name
'*.log' \
          -o -name '*.dlog'  -o -name '*.toc' -o  -name '#*' \
          -o  -name '.raise_dump.*'  \) \
          -atime +7  -ls >> $f -exec rm {} \;  -o \( -name archive
-prune \)
    fi
done
#
# daily removing files
cd /home
for d in *; do
    if [ "$d" != "Mirror" -a "$d" != "Local"  ]; then
       find /home/$d/.  \(  -name core  \) \
          -ls >> $f -exec rm {} \;  -o \( -name archive -prune \)
    fi
done
 
# For old mail messages: expiration time 7 days
for i in /home/*/Mail; do 
     find $i  -name ',*' -atime +7 -ls >> $f -exec rm {} \;
done

# Delete .netscape/cache
for i in /home/*/.netscape/cache/*; do 
     #find $i  -name '*'  -ls >> $f -exec rm  {} \;
     echo $i >> $f
     rm -r $i
done
 
# dailly removing pstmp files
for i in /disks/x3/space/pstmp/*; do 
     echo $i >> $f
     rm -r $i
done

# clean up log file references, delete old log files
if [ $f = $g ]; then
   /etc/chown local $f
   oldlog=`ls -l /home/Local/removelogs/$wd | awk '{print $NF}'`
   rm -f /home/Local/removelogs/$wd /home/Local/removelogs/$oldlog
   (cd /home/Local/removelogs; ln -s $ts $wd)
   chmod 444 $f
fi

# After removing finished, informing operator
echo removing completed | /usr/ucb/mail operator

# End of file remove