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29%
IPRoute2: arp, route, and ifconfig in a Single Tool
06.08.2013
Home »  Articles  » 
 
-layer address means a host cannot be addressed. If you want to assign the IP address 10.1.1.1 to a fixed MAC address of 00:d0:a7:b1:c7:de on eth1, the following command will do the trick: ip neigh add 10
29%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
Manager (CLVM) is used to mount the shared storage. Architecture The two physical cluster nodes in this article each have four network cards: eth0 through eth3 . The first (eth0 ), and third (eth2 ... 0
29%
Check your VoIP networks with SIPVicious and sngrep
30.11.2025
Home »  Archive  »  2025  »  Issue 90 VoIP N...  » 
Photo by Quino Al on Unsplash
(6192 bits), 774 bytes captured (6192 bits) Ethernet II, Src: 00:1a:2b:3c:4d:5e, Dst: 00:6f:7g:8h:9i:0j Internet Protocol Version 4, Src: 192.168.1.101, Dst: 192.168.1.104 User Datagram Protocol, Src Port
29%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
such invocation is essentially a pure processor workload that will maximally use up to one CPU core while taking up close to zero I/O or memory resources. The top [3] command displays a perfect 1.00 load average
29%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
. The takeaway is the -j LOG option (line 12), which logs port scanning behavior to a logfile with the iptables: prefix. Listing 1 iptable Rules 01 *filter 02 *filter 03 :INPUT ACCEPT [0:0] 04
29%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
/.acme.sh/www.example.com/www.example.com.cer -noout -issuer -subject -dates -serial issuer= /C=US/O=Let's Encrypt/CN=R3 subject= /CN=www.example.com notBefore=Feb 21 13:00:28 2021 GMT notAfter=May 22 13:00:28 2021 GMT serial=03B46ADF0F26B94C19443669
29%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
)         libpgmp.so => /opt/pgi/linux86-64/16.10/lib/libpgmp.so (0x00007f5bc5694000)         libnuma.so.1 => /lib64/libnuma.so.1 (0x00007f5bc5467000)         libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f5bc524
29%
Failure to Scale
03.07.2013
Home »  HPC  »  Articles  » 
application, the speedup limit is 5.0. With a little math and a little computation, the asymptotic value of a is as shown in Figure 3. Figure 3: Asymptote
29%
Darshan I/O analysis for Deep Learning frameworks
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Michaela Murphy on Unsplash
) (None, 32, 32, 32) 9,248 max_pooling2d (MaxPooling2D) (None, 16, 16, 32) 0 conv2d_2 (Conv2D) (None, 16, 16, 64) 18,496 conv2d_3 (Conv2D
29%
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

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