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17%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
141.20.108.124 07 active_checks_enabled 1 08 passive_checks_enabled 0 09 max_check_attempts 3 10 check_command check-host-alive 11
16%
The logging module in Python
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© svl861, 123RF.com
logging.basicConfig() 04 05 mylog = logging.getLogger("mylogger") 06 mainlog = logging.getLogger("mylogger.main") 07 mainlog.setLevel(logging.DEBUG) 08 09 mainlog.debug('only for troubleshooting') 10
16%
Static code analysis finds avoidable errors
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Andrey KOTKO, 123RF.com
illustrates the differences. Listing 1 Two Ways to Indent Code 01 if (x == y) then 02 { 03 do something; 04 } 05 06 while ( x < y) { 07 x = x+1; 08 } The indentation depth
16%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
16 services.yml 01 x-tcpservice: &tcpservice 02 type: tcp 03 check_interval: 60 04 timeout: 15 05 allow_notifications: true 06 notify_after: 0 07 notify_all_changes: true 08
16%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
Child Read and Write 01 Use IO::Handle; 02 03 pipe(READHANDLE, WRITEHANDLE); 04 05 WRITEHANDLE->autoflush(1); 06 READHANDLE->autoflush(1); 07 08 if ($processed = fork) { 09 close(READHANDLE); 10
16%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
to storage 08 mv archiv/cur/$i storage 09 10 # Create storage directory for email 11 mkdir storage/$pref.$i 12 13 # Extract attachments from mail 14 ripmime -i storage/$i -d storage/$pref.$i 15 16
16%
Nagios alerts implemented via VoIP
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Zentilia, 123RF.com
=/opt/pjsua.conf 06 SOUNDFILE=/tmp/alert.wav 07 TEXT2WAVE=/usr/bin/text2wave 08 DURATION=20 09 NUMBER=01234567890 10 MESSAGE="Monitoring Alert" 11 12 # Setting a lock file 13 # We can't make more than one call 14
16%
RESTful APIs in practice
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Michal Bednarek, 123RF.com
RIP_cjLiRiSyQXyt2kM1eXU2XLFZQ0Hro15HikJQT_eNeT_9XQ") 04 05 # output of the account number and balance 06 session.accounts.each do |account| 07 print "ID: #{account.account_id}" 08 print " | ANR: #{account
16%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
 #include  03 #endif 04 #include  05 int main() { 06     double a[1000000]; 07     int i; 08     #pragma omp parallel for 09     for (i=0; i<1000000; i++) a[i]=i; 10     double sum = 0; 11
16%
VMware Server 2.0 on recent Linux distributions
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Dmitry Tsvetkov, 123RF.com
revealed the issue – the vmware-hostd process had crashed with a segmentation fault (Listing 1). Listing 1 Segmentation Fault in vmware-hostd 01 Dec 6 13:30:08 virtual kernel: [ 175

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