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stress --cpu 2
stress: info: [3855] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd
^C
real 0m53.820s
user 0m47.143s
sys 0m0.000s
This load is enough to take the program's share of the CPU to 98
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these servers send more information out to the Internet than they receive (like a typical web server).
I'm going to assume that, in this case, the Internet-facing network interface is eth0. In other words, when
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sprzblog mysql limesurvey -uroot -ppassword > backup.sql
will take 21 seconds to complete:
real 0m21.626s
user 0m0.000s
sys 0m0.000s
In the case of larger databases on non-replicated servers
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CPU PROCESS/NLWP
# 173 daemon 17M 11M sleep 59 0 3:18:42 0.2% rcapd/1
# 17676 apl 6916K 3468K cpu4 59 0 0:00:00 0.1% prstat/1
# ...
# ZONEID NPROC SWAP RSS MEMORY TIME
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. 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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. Vmtouch comes to the rescue with its most powerful option: -dl, for "daemonize and lock."
Listing 1
Vmtouch Gzip Example
01 $ ./vmtouch /bin/gzip
02 Files: 1
03 Directories: 0
04
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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
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are missing, potential causes include invisible SIP traffic, incorrect selection of the network interface, or missing permissions. Your first step is to check whether SIP traffic exists
sudo tcpdump -i eth0
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dh_group modp1024;
09 }
10 generate_policy off;
11 }
12
13 sainfo address 192.168.2.0/24 any address 172.16.0.0/16 any {
14 pfs_group modp1024;
15 encryption_algorithm aes256;
16
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. This type of attack is known as a man-in-the-middle attack.
In this article, I mention a number of tools used in ARP cache poisoning attacks, including ettercap, arpspoof, Nemesis, p0f, dsniff, and Scapy
