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79%
Moving HPC to the cloud
31.10.2025
Home
»
Archive
»
2012
»
Issue 11: Cloud...
»
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from
2.2
to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
79%
Creating an SFTP jail
30.11.2025
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»
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
79%
Monitoring daemons with shell tools
30.11.2025
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»
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
79%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
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»
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2012
»
Issue 07: Xen v...
»
Resource 01 primitive p_filesystem ocf:heartbeat:Filesystem params 02 device="/dev/drbd/by-res/disk
0/0
" directory="/opt" fstype="gfs2" 03 op monitor interval="120
s
" meta target-role="Started" 04 clone cl
78%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
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2011
»
Issue 6: Perfor...
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.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
77%
Netcat – The admin's best friend
31.10.2025
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2012
»
Issue 12: NAS S...
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seconds, for example: # nc -p 16000 -w 30 examplehost.tld
22
If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -
s
1
77%
Julia: A new language for technical computing
30.11.2025
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2012
»
Issue 10: Traff...
»
.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
77%
Archiving email and documents for small businesses
30.11.2025
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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
77%
Dispatches from the world of IT
30.11.2025
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2011
»
Issue 3: Are yo...
»
. In addition to dual-stack support, the
1.3
release brings new reporting features, improvements in database support, new notification settings, and a host of fixes for previous releases. Why Icinga instead
77%
Connecting dissimilar IPsec implementations
30.11.2025
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2011
»
Issue 4: Secure...
»
aes256-sha1;
13
} 14 vpn racoonvpn { 15 bind-interface st
0.0
; 16 ike { 17 gateway racoon; 18 proxy-identity { 19 local 192.168.1.0/24; 20 remote
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