15%
10.09.2012
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 17:00
15%
30.11.2025
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,000rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use
15%
13.12.2018
disk reads: 1306 MB in 3.00 seconds = 434.77 MB/sec
federico@cybertron:~$ sudo hdparm -W /dev/sdb
/dev/sdb:
write-caching = 1 (on)
federico@cybertron:~$ sudo hdparm -W 0 /dev/sdb
/dev/sdb:
write
15%
14.03.2013
/sbin/named ...
774 ?? SsJ 0:00,12 /usr/sbin/sshd ...
781 ?? IsJ 0:00,87 /usr/sbin/cron -s
...
The jls command lets you view all the currently active jails, as shown in Listing 6.
Listing 6
Active Jails
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18.07.2013
rq2 ra92
08 set rq3 cdrom
09
10 attach rq0 d0.dsk
11 attach rq1 d1.dsk
12 attach rq2 d2.dsk
13
14 attach -r rq3 cdrom.iso
15
16 set rl disable
17 set ts disable
18
19 set xq mac=08-00-2B-AA-BB-CC
20
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20.10.2013
. The output for the Samsung SSD is:
[root@home4 ~]# smartctl -i /dev/sdb
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-358.18.1.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, http
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05.11.2018
# for your environment.
05 #
06 #
07 # slurm.conf file generated by configurator.html.
08 #
09 # See the slurm.conf man page for more information.
10 #
11 ClusterName=compute-cluster
12 Control
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13.12.2018
.conf file generated by configurator.html.
08 #
09 # See the slurm.conf man page for more information.
10 #
11 ClusterName=compute-cluster
12 ControlMachine=slurm-ctrl
13 #
14 SlurmUser=slurm
15 Slurmctld
15%
17.01.2023
to NTP server (162.159.200.123) at stratum 4
time correct to within 21 ms
polling server every 64 s
Your output will not match this exactly, but you can see that it’s using an outside source to synchronize
15%
04.04.2023
the ntpstat utility on the head node and then running it:
$ sudo yum install ntpstat
$ ntpstat
synchronised to NTP server (162.159.200.123) at stratum 4
time correct to within 21 ms
polling server every
