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27%
Secure access to Kubernetes
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Zachery Blanton, 123RF.com
. Listing 1 kube-system Namespace Pods $ kubectl get pods -n kube-system NAME READY STATUS RESTARTS AGE coredns-5644d7b6d9-7n5qq 1/1 Running 1
27%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
of processes. A fork bomb [6] spawns so many processes so quickly that it often results in a denial-of-service attack against the machine it is running on. Once a fork bomb has been launched, it might actually
27%
Systemd network management and container handling
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Kritiya Sumpun, 123RF.com
off unmanaged 6 docker0 ether routable configured 7 virbr0 ether no-carrier unmanaged The previously set up DNS stub resolver now uses the DNS
27%
Securing the container environment
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © zeferli, 123RF.com
--server 3.71.72.105 -i Figure 2: Getting all secrets from containers in the cluster. 6. Container breakouts: Attackers might exploit vulnerabilities
27%
GENEVE network tunneling protocol
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Eugene Zhyvchik on Unsplash
and the beginning of the frame. MAC addresses: 6 bytes for the MAC address of the target device, followed by 6 bytes for the MAC address of the source device. 802.1Q tag: 4 bytes with information about the VLAN
27%
News for Admins
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
 
kernel 5.13, support for a wide variety of hardware including x64-64, ARMv7, ARM64, POWER8, POWER9, IBM s390x (LinuxONE), and RISC-V, and software updates such as Qemu 6.0, libvirt 7.6, PHP 8.0.8, Apache 2
27%
Hardening network services with DNS
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Amy Walters, 123RF.com
before the fingerprint encode the algorithm and hash method used [1]. Digits 1 to 4 on the left stand for (in ascending order) RSA, DSA, ECDSA, and Ed25519. No algorithm has been assigned for 5 yet, and 6
27%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
 
, most administrators should be aware of the coming "IPocalypse," with the world running out of IPv4 addresses. If you are not already preparing for the coming of IPv6, it's time to start – and if you
27%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
for internal communication in the node and one for communication with the applications. The following example uses CentOS 6.2 with the newest updates. At first, the installer should make certain that all
27%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
. The badness score calculation for the popular 2.6.32 kernel [5] follows this logic: Any process caught in the swapoff() system call is killed first, followed by a score evaluation that baselines on memory size

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