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High-availability workshop: GFS with DRBD and Pacemaker

30.11.2025

Home » Archive » 2012 » Issue 07: Xen v... »

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

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Workshop: Container virtualization with LXC on Ubuntu 10.04

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

.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

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Creating an SFTP jail

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

-local 04 bash#> 05 bash#> pkgadd -d tcp_wrappers-7.6-sol10-sparc-local 06 07 The following packages are available: 08 1 SMCtcpdwr tcp_wrappers 09 (sparc) 7.6 10 11 Select package(s

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Monitoring daemons with shell tools

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

#! /bin/sh 02 03 while true 04 do 05 06 zeit=$(date +%d.%m.%y\ %H:%M\ ) 07 08 psql -U monitor -d monitor -c "select * from watch;" 09 10 if [ $? -eq 2 ]; 11 12 then 13 14 echo "$time: Database

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I/O benchmarks with Fio

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

/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

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VMware Server 2.0 on recent Linux distributions

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

(0x0000003c0d200000) 11 libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f086f4d5000) 12 libc.so.6 => /lib64/libc.so.6 (0x0000003c0ca00000) 13 /lib64/ld-linux-x86-64.so.2 (0x0000003c0c600000

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Connecting dissimilar IPsec implementations

30.11.2025

Home » Archive » 2011 » Issue 4: Secure... »

versions worked best (and worst) together. My tests included the following: Kame/Racoon on Mac OS X and Linux Solaris 10 Windows Server 2008 Cisco-Router with IOS 12 Juniper SRX

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Archiving email and documents for small businesses

30.11.2025

Home » Archive » 2012 » Issue 08: FreeNAS »

1 split.sh 01 #! /bin/sh 02 for i in `ls -1 archive/cur` 03 do 04 # Define name component for the individual mail directory 05 pref=`date +%Y-%m-%d-%H-%M-%S` 06 07 # Push mail

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High availability clustering on a budget with KVM

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

06 I_T nexus information: 07 LUN information: 08 LUN: 0 09 Type: controller 10 SCSI ID: deadbeaf1:0 11 SCSI SN: beaf10 12 Size: 0 13

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Debugging the Linux kernel with the Qemu emulator

30.11.2025

Home » Archive » 2012 » Issue 07: Xen v... »

output/images/rootfs.ext2 -append "root=/dev/sda rw" -s -S & 6. Launch the debugger:gdbDebugger session:file vmlinuxtarget remote :1234continue 7. Log in, load the driver, and identify the memory

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