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75%
Getting started with I/O profiling
30.11.2025
Home
»
Archive
»
2012
»
Issue 08: FreeNAS
»
: Device name. rrqm/
s
: Number of read requests merged per second that were queued to the device. wrqm/
s
: Number of write requests merged per second that were queued to the device. r/
s
: Number
75%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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»
Archive
»
2012
»
Issue 07: Xen v...
»
output/images/rootfs.ext2 -append "root=/dev/sda rw" -
s
-
S
& 6. Launch the debugger:gdbDebugger session:file vmlinuxtarget remote :1234continue 7. Log in, load the driver, and identify the memory
75%
Business continuity for small to medium-sized enterprises
30.11.2025
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»
Archive
»
2012
»
Issue 08: FreeNAS
»
. In the test scenario, I defined a backup schedule with the following settings: Schedule: weekly Daily full backup: Monday – Friday 20:
00
Daily incremental backup: Monday – Friday 08:
00--18:00
, 30
75%
Configuring the JBoss application server
30.11.2025
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»
Archive
»
2011
»
Issue 4: Secure...
»
for Enterprise JavaBeans (EJB) [2] and a web server based on Tomcat that supports servlets and JavaServer Pages (JSP). History and Architecture JBoss was developed in the 1990
s
by Marc Fleury as a pure EJB
75%
Targeted defense against brute force attacks
30.11.2025
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Archive
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2011
»
Issue 3: Are yo...
»
specific ports with sshguard, you can use the --destination-ports parameter to find them. For example, sudo iptables -A INPUT -m multiport -p tcp --destination-ports 21,
22
-j sshguard would block only
75%
Building a custom Cyberdeck
07.10.2025
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2025
»
Issue 89: Autom...
»
and furious as rapid troubleshooting demands. It's time to give this project another try, but with the modern hardware of the 2020
s
! Figure 1: The diminutive
75%
Develop a simple scanning application with the NAPS2 SDK
27.05.2025
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»
2025
»
Issue 87: Light...
»
ScanOptions 21 {
22
Device = device, 23 PaperSource = PaperSource.Feeder, 24 PageSize = PageSize.A4, 25 Dpi = 300 26 }; 27 28 var images = new List
74%
Maatkit tools for database administrators
30.11.2025
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»
Archive
»
2010
»
Issue 2: Backup...
»
sprzblog mysql limesurvey -uroot -ppassword > backup.sql will take 21 seconds to complete: real 0m21.626
s
user 0m0.000
s
sys 0m0.000
s
In the case of larger databases on non-replicated servers
74%
High availability clustering on a budget with KVM
30.11.2025
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Archive
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2010
»
Issue 0: Active...
»
/sda 20 Account information: 21 ACL information:
22
ALL Network Bonding To prevent the network cards and thus the connection to the cluster and storage network from becoming a single
74%
Archiving email and documents for small businesses
30.11.2025
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»
Archive
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2012
»
Issue 08: FreeNAS
»
1 split.sh 01 #! /bin/sh 02 for i in `ls -1 archive/cur` 03 do 04 # Define name component for the individual mail directory 05 pref=`date +%Y-%m-%d-%H-%M-%
S
` 06 07 # Push mail
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