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30.11.2025
dh_group modp1024;
09 }
10 generate_policy off;
11 }
12
13 sainfo address 192.168.2.0/24 any address 172.16.0.0/16 any {
14 pfs_group modp1024;
15 encryption_algorithm aes256;
16
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mainlog.info('an informative message')
11 mainlog.warning('a warning')
12
13 mylog.debug('no message from My-Module')
14 mylog.setLevel(logging.DEBUG)
15 mylog.debug('another message from My
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07.10.2025
a mouse. Fortunately, I have explored terminal user interface (TUI) tools often in this column. Tools like btop [12], glances [13], speedometer [14], nethogs [15], and even plain old top [16] are ready
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27.05.2025
;
05
06 public class HelloWorldSample
07 {
08 static async Task Main(string [] args)
09 {
10 await HelloWorldSample.Run();
11 }
12
13 public static async Task Run()
14 {
15 using var scanning
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30.11.2025
) (out= 131)(deflated 17%)
adding: WEB-INF/(in = 0) (out= 0)(stored 0%)
adding: WEB-INF/web.xml(in = 63) (out= 48)(deflated 23%)
# cp helloworld.war ../../jboss-5.1.0.GA/server/all/deploy/
20:15
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30.11.2025
: 1386145 0 IO-APIC-edge pata_sch
07 15: 0 0 IO-APIC-edge pata_sch
08 16: 9 0 IO-APIC-fasteoi pciehp
09 17: 3398067 0 IO
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27.05.2025
transformation, extracting only the values of the required tags (Figure 15). In this way, you receive the desired information as needed and can see directly how many and where optimizations are possible
43%
08.04.2025
of the system names (to run hostname
). In this example, the system names are compute-01
, compute-02
, compute-03
, and compute-04
. You can use all sorts of range combinations with pdsh
, such as compute-[01-03,05-08,10,13,14,15
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30.11.2025
. We're still left running regular expressions on config files on the server's disk. How old fashioned will this sound in 15 years?
Duck, Duck, NoSQL
There are two ways of offering a low-level cloud
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30.11.2025
were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual
