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13%
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
13%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
_metadata_bak_0 09 4 -rw-r--r-- 1 root root 602 Nov 10 10:15 s3ql_metadata 10 4 -rw-r--r-- 1 root root 262 Nov 10 10:23 s3ql_seq_no_3 11 4 drwxr-xr-x 4 root root 4096 Nov 10 10:25 . 12 56 drwxr
13%
A ptrace-based tracing mechanism for syscalls
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Nadjib BR on Unsplash
_init_remote(&unw_cursor, g_unw_as, unw_ctx)); 05 06 /* - Search - */ 07 bool found_stack_entry = false; 08 do { 09 unw_word_t ip = 0; 10 unw_get_reg(&unw_cursor, UNW_REG_IP, &ip); 11 12 Dwfl_Module* module = dwfl
13%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
Standard Filesystems Distribution Filesystem Debian (from v7.0 wheezy) ext4 Ubuntu (from v9.04) ext4 Fedora (from v22) XFS SLES (from v12
13%
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
13%
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
13%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
.lbl.gov/sites/default/files/DataCenterEnergyReport2016_0_0.pdf Bizo, D. Silicon heatwave: the looming change in data center climates. Uptime Institute Intelligence report 74, 2022: https://uptimeinstitute.com/uptime_assets/4cf0d2135dc460d5e9d22f028f
13%
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
13%
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
13%
Supercomputing Conference 2024
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © djem, 123RF.com
SC24 took place in Atlanta, GA, November 17-22. As I'm writing this, 17,959 attendees – that's 3,000+ more than last year – registered. More than 500 companies filled the exhibition floor, which

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