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14%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
sprzblog mysql limesurvey -uroot -ppassword > backup.sql will take 21 seconds to complete: real 0m21.626s user 0m0.000s sys 0m0.000s In the case of larger databases on non-replicated servers
14%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18
14%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
/.acme.sh/www.example.com/www.example.com.cer -noout -issuer -subject -dates -serial issuer= /C=US/O=Let's Encrypt/CN=R3 subject= /CN=www.example.com notBefore=Feb 21 13:00:28 2021 GMT notAfter=May 22 13:00:28 2021 GMT serial=03B46ADF0F26B94C19443669
14%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
----------------------------------------------------------------- 21 22 Predicate Information (identified by operation id): 23 --------------------------------------------------- 24 1 - access("S"."EMPLOYEE_ID"="E"."EMPLOYEE_ID") 25 2 - filter<+>5<+>( "S
14%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
/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
14%
IPv6 Tables
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © gepard1979, 123RF.com
, you can define the following anti-spoofing rules: # Anti-spoofing ip6tables -A INPUT ! -i lo -s ::1/128 -j DROP ip6tables -A INPUT -i $WAN_IF -s FC00::/7 -j DROP ip6tables -A FORWARD -s ::1/128 -j DROP
14%
Mounting Compressed Archives as a User
25.01.2022
Home »  HPC  »  Articles  » 
 articles.tar.gz archivetest $ ls -s archivetest/ARTICLES total 4406    0 BCACHE                          0 INTERNET002             0 OCFS2    0 BEFORE                          0 IOSTAT                  0 PEARC21    0 BTRFS
14%
Managing Virtual Infrastructures
21.01.2013
Home »  Articles  » 
 
) is contained as a technology preview in Red Hat’s commercial virtualization solution RHEV 3.0 that became available in January of this year. RHEV Setup An installation of RHEV for servers typically consists
14%
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
14%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
->tv_nsec) * 1E-9; 24 } 25 26 int main(int argc, char* argv[argc+1]) { 27 if (argc < 2) { 28 fprintf(stderr, "Usage: %s NNN, NNN iterations\n", 29 argv[0]); 30 return EXIT_FAILURE; 31 } 32

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