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9%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util 22 20120310 13:39:10 sdb 0 0 0 2 4 24 12 0 12 2 0 sda 0 0 0 0 0 0 0 0 0 0
9%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
-host-alive' command definition 09 define command{ 10 command_name check-host-alive 11 command_line $USER1$/check_ping -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 12 5 13
8%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
are started and stopped by init scripts for the cluster framework and OCFS2. Listing 5 OCFS2 Processes # ps -ef|egrep '[d]lm|[o]cf|[o]2' root 3460 7 0 20:07 ? 00:00:00 [user
8%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
ADDRESS [Cut first seven hops for brevity] 8 10.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142) 9 11.00 metro0.sv.svcolo.com (208.185.168.173) 10 9
8%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
$ john -wordlist:password.lst passfile.txt 02 Loaded 2 passwords with 2 different salts (FreeBSD MD5 [32/64]) 03 admin (root) 04 t-bone (khess) 05 guesses: 2 time: 0:00:00:00 100% c
8%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
, you can use the current package from Debian Sid [4], which is available there as version 0.19+20120328. After meeting these preconditions, you can start with a fresh Ubuntu 12.04 LTS server default
8%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
.network.type = veth 04 lxc.network.flags = up 05 lxc.network.link = br0 06 lxc.network.hwaddr = 08:00:12:34:56:78 07 #lxc.network.ipv4 = 0.0.0.0 08 lxc.network.ipv4 = 192.168.1.69 09 lxc.network.name = eth0 10 lxc
8%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
686 oprofile-0.9.5-4.fc12.i686 To profile the kernel, you need to tell OProfile where the kernel image is located with the --vmlinux option: opcontrol --setup --vmlinux=/usr/lib/debug/lib/ modules
7%
One metric to rule them all
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
at the output of uptime [1] on OS X: 13:03 up 2 days, 12:01, 2 users, load averages: 0.52 0.59 0.63 The uptime command displays the load average in its common form, averaging the last one, five, and 15 minutes
7%
Igel thin clients
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dana Bartekoske, 123RF
. To automate this process on a Windows DHCP server, you can use the netsh command. To create a new reservation, just issue the following: netsh dhcp server scope 10.10.0.0 add reservedip 10.10.47.11 00E0C0E0B0B

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