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Creation time
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Article (Print)
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100%
Using Expect scripts to automate tasks
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
take lazy to a higher level and even cheat at writing Expect scripts by invoking a shell "watcher" or recorder script named Autoexpect [
2
]. Once invoked, Autoexpect watches your every keystroke ...
12
99%
Security without firewalls
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
starting
12
.34, so, for example,
12
.34.56.78 will be allowed to connect to ALL services and not just SSH. As well as these flexible options, you can also declare old school subnets directly: sshd: 1.
2
...
12
99%
Reading and understanding database execution plans
31.10.2025
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»
Archive
»
2012
»
Issue 12: NAS S...
»
(dbms_xplan.display );<+>
2
<+> 10 11
12
-----------------------------------------------------3------4---- 13 | Id | Operation | Name | Bytes | Cost | 14 ...
12
99%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
- sl plugin for Scientific Linux 09 10 Available platform plugins: 11 - vmware plugin for VMware
12
- ec
2
plugin for Amazon Elastic Compute Cloud (Amazon EC
2
) 13 - virtualbox plugin ...
12
32%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
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»
Archive
»
2010
»
Issue 1: System...
»
thing applies to the journal size (Listing 4). Listing 4 Maintenance with tunefs.ocfs
2
# tunefs.ocfs
2
-
Q
"NumSlots = %N\n" /dev/sda1 NumSlots =
2
# tunefs.ocfs
2
-N 4 /dev/sda1 # tunefs ... The vanilla kernel includes two cluster filesystems: OCFS
2
has been around since
2
.6.16 and is thus senior to GFS
2
. Although OCFS
2
is non-trivial under the hood, it is fairly simple to deploy. ... OCFS
2
... A simple approach to the OCFS
2
cluster filesystem
30%
Give your servers the once over with Nmap
31.10.2025
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»
Archive
»
2012
»
Issue 11: Cloud...
»
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.3 (protocol
2
.0) 25/tcp closed smtp
29%
Monitoring daemons with shell tools
30.11.2025
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»
Archive
»
2010
»
Issue 1: System...
»
check) or as RC scripts. Listing
2
CUPS Monitoring 01 #! /bin/sh 02 03 while true 04 do 05 06 lpq -Plp | grep -
q
"lp is ready" 07 08 if [ $? -gt 0 ] 09 then 10 cupsenable lp 11 fi
12
28%
Mandatory access control with Tomoyo Linux
30.11.2025
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Archive
»
2012
»
Issue 09: Windo...
»
.0
2.2
.x.
2
.6.30 through
2
.6.35 Debian 6 (Squeeze)
2
.3.x.
2
.6.36 through 3.0 Ubuntu 11.10
2
.4.x. 3.1. openSUSE
12
.1
2
.5.x. 3.
2
28%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
Model"; 11 $work = "ebiz-tx";
12
$node1 = "WebServer"; 13 $node
2
= "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime =
2.2
* 1e-3; # dummy service time 17 18
28%
Tracing applications with OProfile and SystemTap
30.11.2025
Home
»
Archive
»
2010
»
Issue 1: System...
»
confirm that the kernel and kernel-debuginfo packages have the same version number: rpm -
q
kernel-PAE kernel-PAE-debuginfo oprofilekernel-PAE-
2
.6.32.10-90.fc
12
.i686 kernel-PAE-debuginfo-
2
.6.32.10-90.fc
12
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