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14%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
-1600) CentOS 6.5 (updates current as of August 22, 2014) For testing, I used a Samsung SSD 840 Series drive that has 120GB of raw capacity (unformatted) and is connected via a SATA 3 (6Gbps) connection
14%
Port Knocking
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © rasslava, 123RF.com
seq_timeout = 10 08 tcpflags = syn 09 command = /usr/sbin/iptables -A INPUT -s \ %IP% -p tcp --dport 22 -j ACCEPT 10 11 [closeSSH] 12 sequence = 9000
14%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
via 192.168.1.1 dev eth1 13 $ ip netns exec ns1 ping -c2 8.8.8.8 14 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. 15 64 bytes from 8.8.8.8: icmp_seq=1 ttl=51 time=22.1 ms 16 64 bytes from 8.8.8.8: icmp
14%
Secure remote connectivity with VS Code for the Web
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © fckncg, 123RF.com
Code Server * .. * [2023-10-07 22:40:26] info Successfully registered service... [2023-10-07 22:40:26] info Successfully enabled unit files... [2023-10-07 22:40:26] info Tunnel service successfully
14%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
RAID Status cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[1] sdc1[0]       244065408 blocks super 1.2 [2/2] [UU
14%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17
14%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
; 22 my_record.z = counter + 2; 23 my_record.value = (float) counter * 10.0; 24 /* write out my_record */ 25 } 26 return 0; 27 } One-by-One Initially, I’m just going
14%
HDF5 and Parallel I/O
17.05.2017
Home »  HPC  »  Articles  » 
, ALLOCATABLE, TARGET :: DATA(:,:)   ! Data to write 18      INTEGER :: RANK = 2             ! Dataset rank 19    20      CHARACTER(MPI_MAX_PROCESSOR_NAME) HOSTNAME 21      CHARACTER(LEN=100) :: FILENAME  ! File name 22      CHARACTER(LEN=3) :: C
14%
Shared Storage with NFS and SSHFS
12.09.2018
Home »  HPC  »  Articles  » 
. Moreover, you don't need to add or run a special client tool on the client nodes or a special server tool on the storage node; SSH just needs to be active on your system. Almost all firewalls allow port 22
14%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
't need to add or run a special client tool on the client nodes or a special server tool on the storage node; SSH just needs to be active on your system. Almost all firewalls allow port 22 access, so you

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