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17%
DiffServ service classes for network QoS
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Elgris, Fotolia.com
4 Low drop AF11 = 10 (001010) AF21 = 18 (010010) AF31 = 26 (011010) AF41 = 34 (100010) Medium drop AF12 = 12 (001100) AF22 = 20 (010100
17%
News for Admins
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
 
3297841472b4e53e22e53826eea9e483d993e5) (by Red Hat's David Howells), the notification queue will also "…have the ability to cache your kerberos tickets in the session, user or persistent keyring so
17%
Managing Linux systems with Spacewalk
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © NASA
, $user, $pass) = (split); 17 close(IN); 18 19 my $client = new Frontier::Client(url => "http://$server/rpc/api"); 20 my $session = $client->call('auth.login', $user, $pass); 21 22 return ($client
17%
Setting up SSL connections on Apache 2
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
pnphoto, 123RF
abbreviations. In the above example, RC4+RSA would enable all possible cipher suites that include RC4 and RSA. The example is also the default in Apache 2.2. Apache 2.4, however, accepts the default settings
17%
Nagios alerts implemented via VoIP
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Zentilia, 123RF.com
if [[ ! -f /tmp/caller.lock ]]; then 21 touch /tmp/caller.lock 22 locked=true 23 else 24 sleep 5 25 fi 26 done 27 28 # Generating the message 29 $TEXT2WAVE -o $SOUNDFILE -f 8000
17%
Docker and Podman environments on Windows and Mac machines
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bowie15 , 123RF.com
systemctl start podman.socket 20 usermod -aG podman $SUDO_USER 21 SHELL 22 end Once you have installed both VirtualBox and Vagrant, either with Homebrew or an installation archive, save
17%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© 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
17%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
(s)    wr/rd(s)   close(s)   total(s)   iter ------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ---- write     1835.22    28.68      0.120209    5242880    65536      0.000934   11.16      2.50       11.16      0   Summary of all tests: Operation   Max(MiB)   Min(MiB)  Mean(MiB)     StdDev   Max(OPs
16%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
options, and just execute the binary as I normally would. To provide a performance baseline, I first ran the serial version of the code in Listing 1 with a problem size of 1,000 (i.e., m=1000 ). Notice
16%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
first ran the serial version of the code in Listing 1 with a problem size of 1,000 (i.e., m=1000). Notice that it finished in just a little over 44.5 seconds on a single core. I can tell it only used

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