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27%
Managing virtual machines
30.11.2025
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© Igor Klimov, 123RF.com
/sysconfig/network-scripts/ifcfg-eth0-e "s///" You need a similar approach with the Udev rules mentioned earlier. In this way, you can also replace the hostname so that it matches the name assigned during
27%
I/O benchmarks with Fio
30.11.2025
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© Kheng Ho Toh, 123RF.com
/0K /s] [4137 /0 iops] [eta 00m:06s] In the example, the first job is performing a sequential read, marked as r in square brackets, while Fio hasn't initialized the second job, marked as P
27%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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© Daniela Mangiuca, 123RF.com
. The following command tells the system the hex address of the code segment and the two data segments: add-symbol-file path/hello.ko 0xd8817000 -s .data 0xd88170e0 -s .bss 0xd8817294 Now you can set a breakpoint
27%
Tracing applications with OProfile and SystemTap
30.11.2025
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© boing, Photocase.com
: all cores 0x40: core: this core 0x30: prefetch: all inclusive 0x10: prefetch: Hardware prefetch only 0x00: prefetch: exclude hardware prefetch 0x08: (M)ESI: Modified 0x04: M
27%
Overview of cloud platforms and appliances
30.11.2025
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Athiphan Chunmano, 123RF
, Hybrids, Software as a Service (SaaS), Platform as a Service (PaaS) – the list goes on and on. In this article, we will attempt to peek through the mist of terminology and provide readers
27%
Configuring the JBoss application server
30.11.2025
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HONGQI ZHANG, 123RF.com
procedure took (Listing 2). Listing 2 Startup Status 01 19:58:19,965 INFO [ServerImpl] JBoss (Microcontainer) [5.1.0.GA (build:SVNTag=JBoss_5_1_0_GA date=200905221634)] Started in 54s:991ms
27%
Server virtualization with Citrix XenServer
30.11.2025
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Goss Vitalij, Fotolia
between Citrix and Microsoft is demonstrated by the availability of graphical management tools. Basic management tasks on the host system (Dom0 ) can be handled using the Curses-based xcconsole and the xe
26%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
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© Maxim Borovkov, 123RF.com
Resource 01 primitive p_filesystem ocf:heartbeat:Filesystem params 02 device="/dev/drbd/by-res/disk0/0" directory="/opt" fstype="gfs2" 03 op monitor interval="120s" meta target-role="Started" 04 clone cl
26%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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© 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
26%
Julia: A new language for technical computing
30.11.2025
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.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8

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