2013年7月10日 · If you don't want a system-wide change, use ADDR_NO_RANDOMIZE personality flag to temporarily disable ASLR. Controlling of this flag can be done with setarch and its -R option, like. setarch `uname -m` -R /bin/bash This will open a new Bash shell for you with ASLR disabled, including all child processes run from this shell.

2019年5月4日 · According to what brought in How Effective is ASLR on Linux Systems?, programs must be compiled as Position Independent Executable to gain ASLR benefits. For the GCC compiler, the -fPIE switch should be used to compile programs which use ASLR: gcc -fPIE -o ./test.o test.c^

2011年3月28日 · And if you want heavier-duty ASLR than the Linux default, you can build your own kernel the PaX patchset, which offers higher entropy at a small compatibility cost. – Kees Cook Commented Mar 28, 2011 at 21:27

2015年12月1日 · How to detect if KASLR is enabled or disabled in runtime? I wasn't satisfied with the prior answers as they really don't get to the meat of validating what KASLR is all about - especially embedded or custom kernels that don't implement the same kernel command-line interface (e.g. ARM64 requires a device-tree chosen node called kaslr-seed to be present …

2011年10月21日 · To create a new user with admin privileges in Ubuntu 12.04 and later: adduser <username> --ingroup sudo In Ubuntu 11.10 and earlier, use this instead:

Is there Exec Shield buffer overflow protection for Ubuntu? I tried to enable Exec Shield on Ubuntu 12.04 with the following command sudo sysctl -w kernel.exec-shield=1 but it said error: "kernel.

Q&A for Ubuntu users and developers. Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2021年12月10日 · I am new to Windows and have installed WSL2 based on the instructions provided here. It works fine, but I cannot locate where it has been installed on my computer. The output for pwd is home/nkp68....

2017年12月12日 · useradd --help shows that the login name has to be the last parameter. It says also that the password given with -p is the encrypted password of the new account which does not seem to be the case in your example.

2011年5月2日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.