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9%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
-cert.pub /etc/ssh/server.example.com-cert.pub: Type: ssh-rsa-cert-v01@openssh.com host certificate Public key: RSA-CERT SHA256:uJbAVibJhbFXr0z5l0i/O08/fOwMq+JGbCDqz+/PJ7s Signing CA: RSA SHA256:vIQWA43cZ4b6
9%
Cross-Vendor IPsec
25.10.2011
Home »  Articles  » 
 
authentication_algorithm pre_shared_key; 08 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
9%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
.1' (RSA) to the list of known hosts. root@10.1.0.1's password: Last login: Sun Apr 29 19:16:14 2012 -bash-4.1# ls -s total 0 And The Eagle has Landed – or, in this case, Warewulf is working. Summary I
9%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
= 0; j < SIZE; j++) array[i][j]++; return 0; } Listing 2 column.c #include #define SIZE 10000 ** int array[SIZE][SIZE] = {0}; int main() { for (int i = 0
9%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
on hand; it is available on the web [2]. You will also find it useful to have the current version 1.0.2 [3] of the OCF Resource Agent Developer's Guide , created by Hastexo's Florian Haas. The Developer
9%
Artificial intelligence improves monitoring
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Photo by Ivan F on Unsplash
situations in the future or, in some cases, even initiate the response automatically. In contrast to traditional reactive monitoring, AI-based methods can look a bit further into the future and notify
9%
Combining Directories on a Single Mountpoint
19.05.2014
Home »  HPC  »  Articles  » 
write test using IOzone using the same command line for both NFS and SSHFS: ./iozone -i 0 -r 64k -s 16G -w -f iozone.tmp > iozone_16G_w.out The command only runs the sequential write and re-write tests
9%
Unicode migration with an Oracle database
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© joingate, 123RF.com
, the characters in the data are translated: The application code page is mapped to that of the database. However, this is only the case if you have character data types (CHAR, VARCHAR2, CLOB, LONG, NCHAR, NVARCHAR2
9%
Detecting and analyzing man-in-the-middle attacks
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Soner Eker on Unsplash
with the active share, allowing traffic to be recorded on the Kali computer, even though the data is running back and forth between Target 2 and Target 1 and the Kali computer is not involved – a typical MITM case
9%
Demystified: The facts about green IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Iakov Kalinin, 123RF
, and operating hours of technical equipment, as well as research in publications and on the Internet. The researchers compared a number of different sources, and, in many cases, the results they obtained clearly

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