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15%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
, most likely, (3/2) x 15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s 20 instructs sshguard
15%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
getsockopt ... 17 Resolving symbol close ... 18 Resolving symbol epoll_wait ... 19 Resolving symbol select ... 20 All dynamic symbols could be resolved. 21 socket(2, 1, 6) = 3 22 Socket 3 will be Knockified
15%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
remains to finish (20% in this case). When the test is done, the output looks like this: [root@home4 ~]# smartctl -l selftest /dev/sdd smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-358.18.1.el6.x86
15%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
} 20 \usepackage{ngerman} 21 \usepackage[official,right]{eurosym} 22 \\\begin{document}" > att1.tex 23 echo "\end{document}" > att3.tex 24 25 # Merge Latex file components 26 27 cat att1.tex searchkey
15%
Rethinking RAID (on Linux)
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © nikkikii, 123RF.com
that your boot-loader understands md/v1.x metadata, or use --metadata=0.90 mdadm: /dev/sdc1 appears to be part of a raid array: level=raid1 devices=2 ctime=Sat Jan 9 15:22:29 2021 Continue
15%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
.Exit(1) 15 } 16 17 run(os.Args[1]) 18 } 19 20 func row() { 21 for i := 0; i < size; i++ { 22 for j := 0; j < size; j++ { 23 array[i][j]++ 24 } 25 } 26 } 27 28
15%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
, a server, MongoDB, and Elasticsearch. Installation Prerequisites for the installation of Graylog 2.4 – in this example, under CentOS 7 – are Java version 1.8 or higher, Elasticsearch 5.x [2
15%
Secure remote connectivity with VS Code for the Web
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © fckncg, 123RF.com
): ssh-keygen -t ed25519 -a 100 -f ubuntu-sre-id_ed25519 -q -N 2. Copy the SSH public key data on the target server to the authorized_keys file in the $HOME/.ssh directory. You can use the secure copy
15%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
://mirrors.gigenet.com/centos/RPM-GPG-KEY-CentOS-5 # cd /repo/CentOS/5.6/iso/x86_64 # cat /dev/dvd > CentOS-5.6-x86_64-bin-DVD-1of2.iso # wget http://mirror.nic.uoregon.edu/centos/5.6/isos/x86_64/sha1sum.txt # sha1sum -c sha1sum.txt # mount -o loop
15%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
=TR/CN=John_Doe/emailAddress=jd@example.com 07 Serial: 03 08 Serialized id: SafeNet\x20Inc\x2E/eToken/xxxxxxxx/eToken/xxxxxxxxxxxxxxxxxx OpenVPN Management Interface Because Linux systems don't have a crypto store, you need

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