Your ability to identify each stage of the boot process will prove invaluable in fixing boot problems and understanding the system as a whole. However, the default behavior in many Linux distributions often makes it difficult, if not impossible, to identify the first few boot stages as they pro...
To change permissions, use the chmod command. First, pick the set of permissions that you want to change, and then pick the bit to change. For example, to add group (g) and world (o, for “other”) read (r) permissions to file, you could run these two commands: 要修改权限,使用ch...
After the kernel has started, the user-space startup procedure often generates messages. These messages will likely be more difficult to view and review because on most systems you won’t find them in a single log file. Startup scripts usually print the messages to the console and they’re ...
Having some experience with Linux, you probably know that you can't just share a command or a utility between systems. The reason that you can't simply copy an executable from one system to another is because of dependencies, such as libraries and other supporting packages. Some utilities cer...
Enabling Core Dump in Linux The first step is to check if core dump is enabled. For this purpose, use the following command. If the core file size is 0, as in the example below, then core dump is disabled. ulimit-a|grepcore
How to configure abrt to automatically generate an application core How do I collect process core file in a container? Resolution Red Hat Enterprise Linux 6/7/8 has a service calledabrt, which automatically collects the core dump files on the server and stores them inside the/var/spool/abrt....
As you guys can see the output of the lscpu command is in a human-readable format and easier to read than the output we pulled manually from the /proc/cpuinfo file, but it does not provide many details for a linux geek. It is very useful for creating a basic idea for your CPU. Unt...
The point where the kernel starts its first user-space process, init, is significant—not just because that’s where the memory and CPU are finally r...
error: "kernel.core_name_format" is an unknown key Resolution In current linux kernels, thekernel.core_patterntunable is used to define a file name for core dumps. According to thecore(5)man page, the following specifiers can be used: ...
Apps are in read-only mode Software is removed just by deleting the AppImage file Applications packaged in AppImage are notsandboxedby default. How to use AppImage in Linux Using AppImage is pretty simple. It is done in these three simple steps: ...