In the post “Using execve” we saw how it can be used to launch a new process and also pass arguments to it. execl also launches a new process replacing the current one. The syntax of execl is: int execl(const char *path, const char *arg, ...); Arguments: path: Path to the e...
root@kali:~#head-n2 strace_*==>strace_r.txt <==0.000000 execve("/sbin/ifconfig",["ifconfig","eth0"],[/*34 vars*/])=0 0.000192 brk(0)=0x75a000==>strace_ttt.txt <==1399201553.405215 execve("/sbin/ifconfig",["ifconfig","eth0"],[/*34 vars*/])=0 1399201553.405410 brk(0)=0...
However, if the output is “# CONFIG_KPROBE_EVENTS isn’t set,” it means that kprobes isn’t enabled in the kernel configuration. Consequently, kprobes functionality isn’t available for use in this kernel. If kprobes isn’t enabled in our kernel configuration, but we want to use this po...
and system resources. There are three basic kinds of hardware resources: CPU, memory, and I/O. Processes vie for these resources, and the kernel’s job is to allocate resources fairly. The kernel itself is also a resource—a software resource that processes use to perform tasks such as cre...
proot warning: Unable to create temp directory for f2fs bug probe: No such file or directory proot error: execve("/system/bin/sh"): No such file or directory proot info: possible causes: the program is a script but its interpreter (eg. /bin/sh) was not found; ...
本文是How To Use the Linux Auditing System on CentOS 7的中文版,翻译不到之处,还请指出和多多包涵。本文并不会完全遵从原文的一些格式,而是加入自己学习的理解。 另请参考:Auditd - Linux 服务器安全审计工具 引言 Linux审计系统可帮助系统管理员创建审核跟踪记录,即服务器上每个操作的日志。我们可以通过检查审...
6 most common types of software supply chain attacks explained 25 Oct 202315 mins feature 15 top open-source intelligence tools 15 Aug 202321 mins feature Microsoft Exchange ProxyNotShell vulnerability explained and how to mitigate it 15 Dec 20227 mins ...
use to perform tasks such as creating new processes and communicating with other processes. Many of the tools that you see in this chapter are often thought of as performance-monitoring tools. They’re particularly helpful if your system is slowing to a crawl and you’re trying to figure out...
I need to use sudo to run process as a different user. But how to use sudo with exec like: sudo -u www-data exec php -r 'sleep(2); echo 5;' to replace the sudo process? Why and requirements? minimize total processes count commands are started continously, there is no possibility...
2.2. Why use TCP keepalive? You can live quite happily without keepalive, so if you're reading this, you may be trying to understand if keepalive is a possible solution for your problems. Either that or you've really got nothing more interesting to do instead, and that's okay too. ...