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Article (Print)
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100%
Monitor your nodes with collectl
30.11.2025
Home
»
Archive
»
2012
»
Issue 09: Windo...
»
25-E SSD [
9
] courtesy of Intel is mounted as /dev/sdd ext4 filesystem with the default options Open MPI [10] v1.5.4 NAS Parallel Benchmarks 3.3.1-MPI [11] Iozone [
12
] Daemon ...
9
99%
RAM revealed
30.11.2025
Home
»
Archive
»
2011
»
Issue 6: Perfor...
»
chips with 128Mx8 organization (1-Gb chips) 5.132 2.57 AL28M72
A
8BJH
9
S 1 DDR3, Registered, ECC, 1 rank 2.241 2.24 AQ
12
M72E8BKH
9
S 4
93%
Configuring the JBoss application server
30.11.2025
Home
»
Archive
»
2011
»
Issue 4: Secure...
»
example, Mar 25, 2011, PrivateKeyEntry, 33 Certificate fingerprint (MD5): AC:D5:CB:5C:13:
9
D:EF:F2:85:6B:AB:89:49:F8:
48
:3
A
Finally, to enable the web connector's HTTPS port, you need to add
90%
Creating and evaluating kernel crash dumps
31.10.2025
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»
Archive
»
2012
»
Issue 11: Cloud...
»
kernel sles:~ # grep crash /proc/cmdline root=/dev/disk/by-uuid/10
a
83ffe-5
a
9
f-
48
a
2-b8cb-551c2cc6b42d resume=/dev/sda3 splash=silent text showopts crashkernel=128 sles:~ # /etc/init.d/boot.kdump status
89%
Checking password complexity with John the Ripper
30.11.2025
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»
Archive
»
2011
»
Issue 6: Perfor...
»
c/s virtual
12
13 Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE 14 Raw: 723 c/s real, 723 c/s virtual 15 16 Benchmarking: Kerberos AFS DES [
48
/64 4K]... DONE 17 Short: 378501 c/s real
88%
A Btrfs field test and workshop
31.10.2025
Home
»
Archive
»
2012
»
Issue 11: Cloud...
»
. Figure
12
: Another rebalance, this time only of the metadata, recovers 7GB of
9
GB for general use – per block device. To compensate for this, the sum of all block devices on the volume is displayed
87%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home
»
Archive
»
2012
»
Issue 12: NAS S...
»
that could justify the higher initial cost. Synology DS2413+ The DiskStation 2413+ is a brand-new, top-end model with
12
disk slots. This means it can accommodate up to
48
TB storage, and you can even double ...
12
87%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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Archive
»
2012
»
Issue 07: Xen v...
»
_world[]="Hello World\
n
"; 08 static dev_t hello_dev_number; 09 static struct cdev *driver_object; 10 static struct class *hello_class; 11 static struct device *hello_dev;
12
13 static ssize_t driver_read( struct file