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Agile system management in large-scale environments with Func
30.11.2025
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bowie15, 123RF
/bin/python 02 03 import func.overlord.client as fc 04 05 results = fc.Client("@ldap").service.status("dirsrv") 06 07 for (host, returns) in results.iteritems(): 08 if returns == 0: 09 print host, "LDAP ... 3
70%
Apache 2.4 with mod_lua
30.11.2025
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© Tom Grundy, 123RF.com
type="text" name="firstname"> 07
08 09 10 11 Listing 3 shows the content
70%
Managing computers with Rex
31.10.2025
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© Stanislav Rishnyak, 123RF.com
_syslog => "local0"; You need to add one of the two lines to the Rexfile before the first task. A word of caution: In both cases, only the messages generated by Rex itself end up in the logfiles. The returned uptime
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Installing your own Git server
30.11.2025
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© Guido Vrol, 123RF.com
="/usr/local/bin/gl-auth-command ofrommel",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty ssh-dss AAAAB3NzaC1kc3MAAACBAOvwG6F0D2v2J8d+RsQFwozOqqFAgGkMfDK86TUA 04 ... 05 # gitolite end If everything worked, you
70%
Professional backup solutions compared
30.11.2025
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Kamil Macniak, 123RF
.6 v6.2 v5.0.3 v4.0 v7.0 Product Details Operating Systems (Server) Linux Asianux, CentOS, Debian, Fedora, openSUSE, RHEL, SLES 10, Ubuntu Fedora
70%
Intrusion detection with Prelude
30.11.2025
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© Chittima Kasa, 123RF.com
went to press. I installed Prelude on Debian Squeeze (6.0) and Ubuntu 11.10 for this article. Seeing Past False Positives SIEM systems are, without a doubt, an important component of any modern
70%
Script utilities in depth: grep, awk, and sed
30.11.2025
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© jirkaejc, 123RF.com
/share/zoneinfo -type f | \ 07 grep -v 'posix|right|Etc|SystemV | \ 08 grep -i $city` 09 echo -n "Time in $1: "; TZ=`echo $z` date The first section of this code ensures that the script's argument
69%
Monitoring daemons with shell tools
30.11.2025
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© Shariff Che'Lah, 123RF.com
is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22
69%
Sys Admin On the Go
30.11.2025
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Laurent Davoust, 123RF.com
\@mydomain.com"; 06 07 while(<>) { 08 if ( /^From:/ ) { 09 `sudo /etc/init.d/gdm restart` if ( /$legit_sender/ ); 10 exit 0; 11 } 12 } Two final authorization changes are needed to make ... 0
69%
Give your servers the once over with Nmap
31.10.2025
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© ragsac, 123RF.com
.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

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