Download Linux Debugging and Performance Tuning: Tips and Techniques by Steve Best PDF
By Steve Best
A different source that exhibits Linux kernel AND Linux program programmers tips to write bug-free code that's optimized for functionality.
* Debugging ideas for Linux purposes and the kernel
* functionality tuning options for Linux software and the kernel
* pattern courses that express how debugging instruments can locate programming errors
* pattern courses that exhibit how profiling instruments can exhibit which exercises purposes spend the main time in
* Key gains that may be arrange within the kernel to trap facts as soon as an issue happens.
Read or Download Linux Debugging and Performance Tuning: Tips and Techniques PDF
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A useful consultant to imposing penetration checking out concepts on web pages, net functions, and conventional net protocols with Kali Linux
• examine key reconnaissance innovations wanted as a penetration tester
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Kali Linux is outfitted for pro penetration trying out and defense auditing. it's the next-generation of go into reverse, the most well-liked open-source penetration toolkit on the earth. Readers will how you can imagine like genuine attackers, take advantage of platforms, and divulge vulnerabilities.
Even even though internet functions are built in a truly safe atmosphere and feature an intrusion detection approach and firewall in position to observe and forestall any malicious task, open ports are a pre-requisite for engaging in on-line enterprise. those ports function an open door for attackers to assault those functions. accordingly, penetration checking out turns into necessary to attempt the integrity of web-applications. net Penetration trying out with Kali Linux is a hands-on consultant that might provide you with step by step tools on discovering vulnerabilities and exploiting internet applications.
"Web Penetration checking out with Kali Linux" appears to be like on the facets of internet penetration checking out from the brain of an attacker. It presents real-world, functional step by step directions on the way to practice net penetration checking out exercises.
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Flip your Raspberry Pi into your personal undercover agent toolbox with this set of intriguing projects
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flip your Raspberry Pi right into a multipurpose undercover agent equipment for audio/video surveillance, wireless exploration, or enjoying pranks in your neighbors
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Raspberry Pi for mystery brokers, moment variation has every little thing you must flip your Raspberry Pi into an information-gathering powerhouse. Use the sensible secret agent and pranking options to amuse your self or your mates.
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Additional info for Linux Debugging and Performance Tuning: Tips and Techniques
The queue is limited on various TCP implementations; therefore a SYN flood can fill it up, causing the machine to reboot or to crash. In Linux, the TCP listen queue differs from one kernel version to another. 0 kernels, there was a backlog keeping track of opened and partially opened TCP connections. The listen queue can be seen and modified using sysctl parameter tcp_max_syn_backlog: root@router:~# cat /proc/sys/net/ipv4/tcp_max_syn_backlog 1024 root@router:~# echo 2048 > /proc/sys/net/ipv4/tcp_max_syn_backlog The first command shows the backlog size of 1024, and the second command sets it to 2048.
19 ] Networking Fundamentals The main protocol found at the Internet layer is IP (Internet Protocol), which provides connectionless, best-effort delivery routing of packets. IP handles logical addressing, and its primary concern is to find the best path between the endpoints, without caring about the contents of the packet. IP does not perform error checking and error correction, and for this reason is called an unreliable protocol. However, these functions are handled by the transport layer (TCP) and/or the application layer.
Physically, a CAM is a normal memory limited in size. In 1999, Ian Vitek created a tool called macof, later integrated in dsniff, which floods switches with invalid source MAC addresses (up to 155,000/minute). This tool quickly fills up the CAM table of the switch to which the computer running the tool is connected, and also the adjacent switches. The result of this attack is an abnormal behavior of the switch by flooding incoming traffic out on all ports (like a simple old Hub), thus making possible a Man-In-the-Middle (MIM) attack—the attacker can start sniffing network traffic.