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12%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
rules: 48 - proto: udp 49 from_port: 12345 50 to_port: 12345 51 cidr_ip: 0.0.0.0/0 52 - proto: tcp 53 from_port: 22 54 to_port: 22 55 cidr_ip: 0.0.0.0/0
11%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
): root@c31656cbd380:/# apt-get update Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB] ... Fetched 18.0 MB in 9s (1960 kB/s) After the package repositories are synced, I can
11%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
Home »  HPC  »  Articles  » 
 $if | bzip2 ‑9 > $if.bz2; 04 done 05 real    0m27.005s 06 user    0m11.745s 07 sys     0m14.623s 08  09 $ time find . ‑name "*.gz" ‑print | parallel ‑j +0 'zcat {} | bzip2 ‑9 > {.}bz2' 11  12 real    0m
11%
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
11%
Mounting Compressed Archives as a User
25.01.2022
Home »  HPC  »  Articles  » 
_notes.txt    4 ext2_notes.txt.gz              12 md_article_2.tar.gz     4 squashfs_notes.txt~    4 EXT4_JOURNAL_ARTICLE            4 METARATES               4 STORAGE038  424 ext4_journal_article.tar.gz    48
11%
Update your Docker containers safely
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © yelenayemchuk, 123RF.com
_web latest c100b674c0b5 13 months ago 19MB nginx alpine bf85f2b6bf52 13 months ago 15.5MB With the image ID in hand, you can inspect the image manifest: docker inspect bf85f2b6bf52
11%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
Name=slurm-node-0[0-1] Gres=gpu:2 CPUs=10 Sockets=1 CoresPerSocket=10 \ ThreadsPerCore=1 RealMemory=30000 State=UNKNOWN PartitionName=compute Nodes=ALL Default=YES MaxTime=48:00:00 DefaultTime=04:00:00 \ Max
11%
Understanding Layer 2 switch port security
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Taffi, Fotolia.com
) win 512 a:60:b2:3d:fc:af d3:7c:5b:36:4a:61 0.0.0.0.17578 > 0.0.0.0.4432: S 727135709:727135709(0) win 512 18:75:26:4c:a8:23 10:81:2a:12:e1:be 0.0.0.0.42271 > 0.0.0.0.61161: S 1071867223:1071867223(0
11%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
service_description PING 11 check_command check_ping!100.0,20%!500.0,60% 12 } 13 define service{ 14 use generic-service ; Name of service template to use 15
11%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
, you can use the current package from Debian Sid [4], which is available there as version 0.19+20120328. After meeting these preconditions, you can start with a fresh Ubuntu 12.04 LTS server default

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