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21%
Systemd network management and container handling
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Kritiya Sumpun, 123RF.com
] Name=docker0 [Network] DNS=192.168.100.1 Address=192.168.100.42/24 Gateway=192.168.100.1 Listing 3 Network Configuration (2) [Match] Name=enp2s25 [Network] Bridge=docker0
21%
Analyzing Kernel Crash Dumps
25.11.2012
Home »  Articles  » 
 
 crash /proc/iomem   03000000-0affffff : Crash kernel [root@rhel ~]# grep crash /proc/cmdline ro root=/dev/mapper/VolGroup00-LogVol00 rd_NO_LUKS KEYBOARDTYPE=pc \ KEYTABLE=de-latin1-nodeadkeys rd
21%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
, revenue DECIMAL(11, 2) 05 , customer_class CHAR(1) 06 ); 07 08 SQL> INSERT INTO customer 09 VALUES (1, 2016, 100.0), (2, 2016, 0.0), (3, 2016, 999.99); 10 SQL> INSERT INTO customer 11 VALUES (1, 2017, 500.0 ... What lacked maturity in MariaDB 10.2 has now been sorted out in version 10.3. We look at the benefits you can reap now. ... MariaDB 10.3 ... New features in MariaDB 10.3
21%
S3QL filesystem for cloud backups
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © stylephotographs, 123RF.com
metadata... 18 Wrote 0.00 MiB of compressed metadata. After creating an S3QL filesystem, I checked the mountpoint, /mnt/data1 (Listing 2). A few files are created as a result of the S3QL filesystem ... advantages: S3QL. ... S3QL filesystem for cloud backups
21%
Admin as a service with sysstat for ex-post monitoring
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Levente Janos, 123RF.com
in the /usr/lib/systemd/system/sysstat-collect.timer file. You can set a scan every five minutes by entering *:00/05 instead of the default setting *:00/10: [Unit] Description=Run system activity accounting
21%
Setting up an OpenNebula Cloud
05.09.2011
Home »  CloudAge  »  Articles  » 
 
-user@nebula-cloud-server:~$ onevm create kvmVM.template 02 nebula-user@nebula-cloud-server:~$ onevm list 03 ID NAME STAT CPU MEM HOSTNAME TIME 04 0 kvmVM pend 0 0 00 00:00
21%
Discovering device names
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© cbpix, 123RF.com
Recently, a customer asked me what was going on with his system. All of a sudden, he no longer had an eth0; instead, he was seeing strange names like em1 or p3p1 at the console. He wanted to know ... Ethernet devices in Linux have always been called eth0 and nothing else. All of a sudden, this universal truth has lost its validity, and Linux administrators need to understand why and how.
21%
Exploring the most famous performance tool
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Lucy Baldwin, 123RF.com
: The top command on a Linux system. 15:28:23 up 1 day, 20:10, 3 users, load average: 0.10, 0.14, 0.13 The second line of the display lists the aggregate state of the system's processes – 205 in all
21%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
(dayOfYear):as.factor(wday)Monday 16.64 18 8.382 < 2e-16 *** s(dayOfYear):as.factor(wday)Saturday 11.29 18 3.307 3.00e-09 *** s(dayOfYear):as.factor(wday)Sunday 12.92 18 4.843 1.02e-13 *** --- Signif. codes: 0
21%
Monitoring HPC Systems
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Alexander Rivosh, 123RF.com
Version CentOS 6.5 Ganglia 3.6.0 Ganglia web 3.5.12 Confuse 2.7 RRDtool 1.3.8 Before installing any binaries, I try

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