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====== Linux Professional Institute Certification Level 1 ==
===== xinetd ==

''/etc/xinetd.conf'' is the general config file of xinetd and ''/etc/xinetd.d'' contains a config file for each service, e.g. ''daytime''.

To (de)activate a xinetd subservice use eg ''chkconfig daytime on''

===== RAID ==

^        RAID ^  1   ^  0        ^  5         ^
^        read | IYES | IYES IYES | IYES IYES  |
^       write | INO  | IYES IYES |  IYES      |
^ reliability | IYES |  INO      |  IYES      |

===== Sticky Bit ==

|           ^ user  ^ group ^ others ^
^ directory |  INO  | FIXME | only creator can delete(?) |
^ file      | run with the rights of the owner of the file | run with the rights of the group of the file(?) |  INO  |

===== Services ==

''chkconfig'' is  used  to manipulate the runlevel links at boot time (see init.d(7))

''/etc/sysconfig'': startup config for services

''/etc/sysconfig/sysctl'': ''IP_FORWARD="no"'' :!:

===== Examples ==

<code bash>
#!/bin/bash

cat > $1/fSet.sh << ENDE
#!/bin/bash

test -d $1/$2 || groupadd $2
test -d $1/$3 || groupadd $3
test -d $1/$4 || groupadd $4

test -d $1/$2 || mkdir $1/$2
test -d $1/$3 || mkdir $1/$3
test -d $1/$4 || mkdir $1/$4

chown root:$2 $1/$2
chown root:$3 $1/$3
chown root:$4 $1/$4

chmod 3770 $1/$2
chmod 3770 $1/$3
chmod 3770 $1/$4
ENDE

chmod +x $1/fSet.sh
</code>

  grep "^maA:" /etc/passwd | cut -d: -f6

<code bash>
  */2 * * * * date > /dev/tty12
  /var/spool/cron
</code>

===== Todo / Misc ==

  * set -o vi
  * 
  * ACM
  * ctrl-z
  * col?
  * /proc/dma
  * rpm : oldpackage
  * {{lpi.zip|Sample questions}}
  * .xinitrc <=> .xdefaults
  * http://www.4shared.com/network/search.jsp?searchmode=2&searchName=117+101 :!:
  * xhost
  * X fonts
  * kill -9 (-15) pid
  * vi ctrl F on page forward
  * [[erich@3ers.de|Erich Dreier]]

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