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17%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
, for example, 12.34.56.78 will be allowed to connect to ALL services and not just SSH. As well as these flexible options, you can also declare old school subnets directly: sshd: 1.2.3.4/255.255.255.0 As well
17%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
to it, you can begin to appreciate what compilers and linkers do for users today. Listing 1 Show Linked Libraries (ldd) $ pgf90 test1.f90 -o test1 $ ldd test1 linux-vdso.so.1 => (0x
17%
Cron alternatives fcron and hcron
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © stillfx, 123RF.com
.2.1 $ ./configure $ gmake [...] # gmake install Listing 2 Installing FcronQ # dnf install python3 python3-PyQt5 python3-PyQt4 [...] $ wget https://downloads.sourceforge.net/project/fcronq/FcronQ/0.5.0
17%
Docker and Podman environments on Windows and Mac machines
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bowie15 , 123RF.com
edit podman.socket 08 mkdir -p /etc/systemd/system/podman.socket.d 09 cat >/etc/systemd/system/podman.socket.d/override.conf 10 [Socket] 11 SocketMode=0660 12 SocketUser=root 13 Socket
17%
Big data tools for midcaps and others
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Roman Gorielov, 123RF.com
range of Hadoop services. Amazon offers Elastic MapReduce (EMR) [8], an implementation of Hadoop with support for Hadoop 2.2 and HBase 0.94.7, as well as the MapR M7, M5, and M3 Hadoop distributions
17%
Bare metal deployment with OpenStack
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Anatolii Nesterov on Unsplash
-physical-network physnet1 --share provisionnet # openstack subnet create --network pxenet --subnet-range 192.168.21.0/24 --ip-version 4 --gateway 192.168.21.254 --allocation-pool start=192.168.21.22,end=192
17%
pdsh Parallel Shell
08.07.2018
Home »  HPC  »  Articles  » 
read the hosts from a file other than the WCOLL environment variable: $ pdsh -w ^/tmp/hosts uptime 192.168.1.4:  15:51:39 up  8:35, 12 users,  load average: 0.64, 0.38, 0.20 192.168.1.250:  15:47:53 up
17%
Hadoop for Small-to-Medium-Sized Businesses
06.05.2014
Home »  HPC  »  Articles  » 
-oriented midcaps can choose from a wide range of Hadoop services. Amazon offers Elastic MapReduce (EMR), an implementation of Hadoop with support for Hadoop 2.2 and HBase 0.94.7, as well as the MapR M7, M5, and M3
17%
Shared Storage with NFS and SSHFS
12.09.2018
Home »  HPC  »  Articles  » 
, the first step is to specify the filesystems (directories) that are to be exported to the compute nodes. The /etc/exports file lists the filesystems and the permissions, such as: /usr/local   192.168.0.1(ro
17%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
, the first step is to specify the filesystems (directories) that are to be exported to the compute nodes. The /etc/exports file lists the filesystems and the permissions, such as: /usr/local 192.168.0.1(ro

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