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Monitoring daemons with shell tools
30.11.2025
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© Shariff Che'Lah, 123RF.com
exit codes when it terminates, you can use Unix conventions. 0 stands for error-free processing, whereas 1 indicates some problems were encountered. This value is stored in the $? shell variable, which
16%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
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© Kheng Ho Toh, 123RF.com
name. In OCFS2's case, a single ASCII file is all it takes (Listing 1). Listing 1 /etc/ocfs2/cluster.conf node: ip_port = 7777 ip_address = 192.168.0.1 number = 0
16%
OpenVPN with e-tokens in large-scale environments
30.11.2025
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© sTan, fotolia.com
approach to setting up the PKI; you will find the scripts in /usr/share/doc/openvpn/examples/easy-rsa/2.0. You can start by modifying a couple of things in the vars; this is mainly to make the procedure more
16%
The fine art of allocating memory
30.11.2025
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main(int argc, char *argv[]) 06 { 07 char *newblock = NULL; 08 09 for (int allocation = 0; newblock = (void *) malloc(1024 * 1024); allocation++) 10 { 11 //for (int i=0; i < (1024 * 1024
16%
Customizing PortSentry
30.03.2012
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to "0" to make the # command run *after* the blocking has occurred. # KILL_RUN_CMD_FIRST = "0" # # KILL_RUN_CMD="commands_to_run" Customization I came across a few limitations with the way a third
16%
PowerShell Part 3: Keeping PowerShell in the Loop
10.05.2012
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need is a little patience and light scripting skills. PowerShell versions 1.0 and 2.0 have a somewhat limited ability to grab information from remote systems singly or in bulk. Therefore, you have
16%
Build system images with Kiwi
02.08.2021
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Lead Image © chachar, 123RF.com
Kiwi XML Profile 0" encoding="utf-8"?> 1.15.2
16%
Apache OpenMeetings video conferencing platform
06.10.2022
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Photo by Chris Montgomery on Unsplash
AOM cd /opt sudo wget https://archive.apache.org/dist/openmeetings/6.2.0/bin/apache-openmeetings-6.2.0.tar.gz sudo tar xzvf apache-openmeetings-6.2.0.tar.gz sudo mv apache-openmeetings-6.2.0 open620
16%
Cron alternatives fcron and hcron
05.12.2019
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Lead Image © stillfx, 123RF.com
.2.1 $ ./configure $ gmake [...] # gmake install Listing 2 Installing FcronQ # dnf install python3 python3-PyQt5 python3-PyQt4 [...] $ wget https://downloads.sourceforge.net/project/fcronq/FcronQ/0.5.0
16%
Creating reports with JasperReports
10.06.2015
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Lead Image © Sergey Nivens, 123RF.com
needs 32-bit versions of some libraries, such as libgtk-x11-2.0.so, which need to be installed separately. Otherwise, the application will not work. Using ldd shows which libraries

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