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35%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
version is version 3. In contrast to its predecessors, SNMPv3 supports encrypted communication and secure authentication; however, many devices you can purchase today still only support SNMPv1 or SNMPv2
35%
News for Admins
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
 
-A ports, one USB 3.2 Type-C, two RJ-45 LAN ports, five audio jacks, built-in Intel® Wireless-AC (a/b/g/n/ac/ax), and Bluetooth 5.0. To accommodate such power, System76 had to put serious work ... In the news: Red Hat Enterprise Linux 8.3 Available, It's Official – Linux 5.10 is the Next LTS Kernel, System76 Unleashes World's Smallest Quad-GPU Workstation, Canonical Releases Autonomous
35%
Favorite benchmarking tools
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Lucy Baldwin, 123RF.com
, determined an expected value (mean) 1.6ms greater than requested with a standard deviation (sigma) of 0.3ms [7], and reported the range between the minimum and maximum values encountered – handling
35%
Accessing Fortran code with Python
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Kheng Ho Toh, , 123RF.com
, the Python module is secretcode. Listing 4 Testing the Code $ python3 Python 3.7.3 (default, Mar 27 2019, 22:11:17) [GCC 7.3.0] :: Anaconda, Inc. on linux Type "help", "copyright", "credits
35%
OpenACC – Parallelizing Loops
09.01.2019
Home »  HPC  »  Articles  » 
3: Gang Execution Fortran C !$acc parallel    do i=1,n       ! do something    enddo !$acc end parallel     #pragma acc parallel {    for (int i=0; i < n
35%
OpenStack installation with the Packstack installer
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Tom Wang, Fotolia.com
_KEYSTONE_ADMIN_PW=password CONFIG_NEUTRON_L3_EXT_BRIDGE=br-ex CONFIG_NEUTRON_ML2_TYPE_DRIVERS=vlan,flat CONFIG_NEUTRON_ML2_TENANT_NETWORK_TYPES=vlan CONFIG_NEUTRON_ML2_VLAN_RANGES=physnet1:1100:1199,physnet0 CONFIG
35%
Maatkit tools for database administrators
17.06.2011
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
 
11.43 0 0 datenkrake db 1.34 0 0 limesurvey db 2.75 0 0 sprzblog db 2.67 0 0 mysql db 3.45 0 0 piwik db 2.50 0 0
35%
Intruder Detection with tcpdump
28.11.2011
Home »  Articles  » 
 
is to put it in a filter: # tcpdump -n -s 1515 -c 5 -i eth1 tcp or udp or icmp This will catch only tcp , udp , or icmp . Tables 3 and 4 show you what you need to know to find all TCP packets with the SYN
35%
Storage cluster management with LINSTOR
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © sdecoret, 123RF.com
. You can determine this name with the uname -n command. The domain name can be omitted if it is not absolutely necessary to differentiate between the individual nodes: node create --node-type Combined
35%
Warewulf 4 – GPUs
20.02.2023
Home »  HPC  »  Articles  » 
 the file /usr/local/bin/gpu_devices.sh  (Listing 6). Listing 6: /usr/local/bin/gpu_devices.sh #!/bin/bash   /sbin/modprobe nvidia   if [ "$?" -eq 0 ]; then   # Count the number of NVIDIA controllers found.   NVDEVS=`lspci | grep -i NVIDIA`   N3

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