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16%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
that at an online MCrypt man page [22]. Using mcrypt is very similar to the other Crypt replacement tools (Listing 11). Listing 11 Using MCrypt $ ls -s total 7288 196 hpc_001.html 7092 MFS2007.pdf
16%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
a favor by restricting the output to less information. The devices connected to individual routers or access points are provided by the ipNetToMediaEntry (OID 1.3.6.1.2.1.4.22.1 ) branch, for example. You
16%
Environment Modules
23.02.2012
Home »  HPC  »  Articles  » 
at a time. When it’s finished I can then change my .bashrc and submit a new job. Because you are using a different compiler/MPI combination from what is in the queue, even for something as simple as code
16%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
---------------------------------------------------------------------------------------------------- 20 Seq Scan on mail (cost=0.00..5628.25 rows=4 width=961) (actual 21 time=2.401..1519.809 rows=672 loops=1) 22 Filter: (msg ~ '(updatable|views)'::text) 23 Rows Removed by Filter: 40148 24
16%
Userspace secure filesystem
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © mipan, 123RF.com
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked
16%
Protecting Samba file servers in heterogeneous environments
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by rawpixel on Unsplash
[::]:* LISTEN As you can see, only port 22 for SSH is open for incoming connections for both IPv4 and IPv6. If you are not (yet) using IPv6 on your network, you should disable it, because what good
16%
Build and host Docker images
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Sebastian Duda, 123RF.com
. The following example assumes a system with Ubuntu 22.04. To begin, you need to install some required software management packages (Listing 1, line 1); download the GPG key used to sign Docker's package lists
16%
Network performance in the world's favorite data center
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Lucy Baldwin, 123RF.com
hardware support [7]. I am using Ubuntu 22.04 (Jammy) for this test in the original us-east-1 availability zone. $ aws ec2 run-instances --image-id ami-0ea1c7db66fee3098 --region us-east-1 --key federico
16%
Successful automatic service detection
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dmitriy Denysov, 123RF.com
to find out more details about specific services. Listing 1 Nmap Command root@sandbox:~# nmap -v -A www.haribo.de ... Host www2.haribo.com (213.185.81.67) is up (0.011s latency). Interesting
16%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Mike Flippo, 123RF
the target host once. In order to ping continuously, as on Linux, you will need to specify the -s option. Listing 2 Ping on Solaris # uname -sr SunOS 5.10 # ping server server is alive # ping -s

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