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15%
Managing Active Directory sites and subnets
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Allan Swart, 123RF.com
like this will usually help you identify quickly which DC is the root cause of the problem. Then, you can take a closer look at it and check whether it is working within its site. The next step
15%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
a switch from attack. Layer 2 Switch Operation A switch provides Data Link Layer (or Layer 2) connectivity on an Ethernet network. Devices transmit data frames based on a unique 48-bit MAC address (Figure
15%
News for Admins
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
 
SSHion" vulnerability (CVE-2024-6387 – https://www.cve.org/CVERecord?id=CVE-2024-6387), is "a signal handler race condition in OpenSSH's server (sshd)," which allows unauthenticated remote code execution (RCE) as root
15%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
and right. Unfortunately, my laptop has a 16:9 display with a resolution of 1,600x900 pixels. Common Denominator Some research on the topic of screen resolution reveals the root cause: the maximum
15%
PowerDNS Authoritative server high availability with MariaDB Galera
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Sergey Nivens, 123RF.com
.0.0.1 mysql -h localhost -u root -p create database pdns; Listing 1 shows a quick user addition to the database and the granting of permissions. To exit from the MariaDB shell, use the quit; command
15%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
1, 47 MPI_LONG, 48 0, 49 2, 50 MPI_COMM_WORLD); 51 } 52
15%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
files in ext3/ext4 filesystems Zipf theta - Estimate of Zipfian distribution theta Ioprof is written in Perl and is fairly easy to run, but it has to be run as root (or with root privileges
15%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
5221548db 58 seconds ago 5.67MB 80dc7d447a48 About a minute ago 167MB alpine 3.9 78a2ce922f86 5 months ago 5.55MB The command you really
15%
Read-only File Compression with SquashFS
14.06.2017
Home »  HPC  »  Articles  » 
, mounting it requires root access (or at least sudo access). As an example, I'll take a directory (/home/laytonjb/20170502 ) on my desktop where I have stored PDFs, ZIP files, and other bits of information
15%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
.bcast(data, root=0) 16 17 if rank == 0: 18 print("bcast finished") 19 # end if 20 21 print("data on rank %d is: "%comm.rank, data) The data is broadcast with the bcast function, which is part of communicator

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