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linux syscall tracer Official repositories are at GitHub and GitLab. You can get latest binary packages from Fedora rawhide, OBS, Sisyphus. The latest officially signed release tarball can be found here. Development takes place on the mailing list (archive). Everyone is welcome to send bug reports, feature requests, comments and patches there. IRC channel: #strace@oftc. strace is released under th
dest-unreach / socat socat - Multipurpose relay Abstract what: "netcat++" (extended design, new implementation) OS: AIX, BSD, Linux, Solaris e.a. (UNIX) lic: GPL2 inst: tar x...; ./configure; make; make install doc: README; socat.html, socat.1 ui: command line exa: socat TCP6-LISTEN:8080,reuseaddr,fork PROXY:proxy:www.domain.com:80 keyw: tcp, udp, ipv6, raw ip, unix-socket, pty, pipe, listen, sock
Rescatux Fixes GRUB / GRUB2 Many UEFI boot options Check and fix filesystems Clear Windows password Change Gnu/Linux password Regenerate sudoers file And much more features… How to put Rescatux into a CDROM or a USB ~ 672 MB Size Super Grub2 Disk Boots into many systems and GRUB2 ones! Helps you to fix your GRUB or GRUB2 Loads Grub legacy confs (menu.lst) Optional LVM / RAID support How to put Sup
From: Rik van Riel <riel@redhat.com> Add a userspace visible knob to tell the VM to keep an extra amount of memory free, by increasing the gap between each zone's min and low watermarks. This is useful for realtime applications that call system calls and have a bound on the number of allocations that happen in any short time period. In this application, extra_free_kbytes would be left at an amount
SourceForge project page Section: PAM (8) Updated: 2009-07-21 Index PAM_SSH_AGENT_AUTH This module provides authentication via ssh-agent. It may take 5 arguments, file=/path/to/authorized_keys, debug, allow_user_owned_authorized_keys_file, authorized_keys_command=/path/to/command and authorized_keys_user=username. If an ssh-agent listening at SSH_AUTH_SOCK can successfully authenticate that it has
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Ubuntu Core What is Ubuntu Core Ubuntu Core is a minimal rootfs for use in the creation of custom images for specific needs. Ubuntu Core strives to create a suitable minimal environment for use in Board Support Packages, constrained or integrated environments, or as the basis for application demonstration images. It is available for the i386, amd64, and armel architectures. Ubuntu Core delivers a
TestDisk is OpenSource software and is licensed under the terms of the GNU General Public License (GPL v2+). TestDisk is powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software: certain types of viruses or human error (such as accidentally deleting a Partition Tabl
BFQ is a proportional-share storage-I/O scheduler that also supports cgroups. Available in Linux since 4.12, BFQ features the following performance (benchmark results here), on any type of storage medium (embedded flash storage, HDDs, SATA or NVMe SSDs, ...) and on systems ranging from minimal embedded systems to high-end servers: Low latency for interactive tasks Under load, BFQ loads application
liboverride - simpler function injection Posted Thu, 09 Jul 2009 What is liboverride? liboverride is a small toolset which (hopefully) lets you quickly write code you can inject to another program. It uses the run-time linker and LD_PRELOAD to inject functions into your programs. Requirements gnu make m4 How do I use it? Let's use an example. You have a server program that you want to bind to a sp
The document provides tools and techniques for profiling and debugging Linux systems and Ruby applications. It discusses the lsof tool for listing open files, strace for tracing system calls… Document Informationclick to expand document informationThe document provides tools and techniques for profiling and debugging Linux systems and Ruby applications. It discusses the lsof tool for listing open
The USE Method provides a strategy for performing a complete check of system health, identifying common bottlenecks and errors. For each system resource, metrics for utilization, saturation and errors are identified and checked. Any issues discovered are then investigated using further strategies. This is an example USE-based metric list for Linux operating systems (eg, Ubuntu, CentOS, Fedora). Th
Valgrind's Tool Suite The Valgrind distribution includes the following debugging and profiling tools: Memcheck Cachegrind Callgrind Massif Helgrind DRD DHAT Experimental Tools Other Tools Memcheck Memcheck detects memory-management problems, and is aimed primarily at C and C++ programs. When a program is run under Memcheck's supervision, all reads and writes of memory are checked, and calls to mal
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