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Unix & Linux

Questions tagged [documentation]

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Manuals or other information for system users detailing software features and functionality.

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I want to provide information to users. For example, it would be helpful to provide curated lists of recommended programs tailored to users’ needs-such as a Disk Usage Analyzer for those managing ...
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Just being curious: Question Is there an official (re)source where is list it all the categories of commands with their respective set of commands? Something like Linux Foundation for Filesystem ...
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Even though bash -n is a valid and widely used option, some manpages don't clearly document it in the bash options section, even though it is implemented. It's also not in the GNU Bash Reference ...
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I'm periodically running dwww+++ to add to searchable docs what info I add to local drive. It writes "Executing index++" and it runs for minutes, whereas my CPU load is ~2-3% of one core. ...
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I am trying to comprehend some man7.org documentation about the User Namespace and the /bin/unshare command. I started by reading this page: https://man7.org/linux/man-pages/man7/user_namespaces.7....
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As someone who hasn't hammered in all the parts of the OSI layers, I got quite frustrated with the documentation of bridge filtering in nftables: https://wiki.nftables.org/wiki-nftables/index.php/...
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I am working on understanding of how cgroups memory resource controller is enabled on Ubuntu 20.04. I have several Ubuntu machines that make up a Slurm 23.02.7 cluster. In cgroup.conf, SchedMD ...
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I am setting up router inside freebsd jail with ipfw, I might be blind, but I could not find comprehensive documentation on IPFW, which would make subject clear. I read both "firewall" and &...
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Is there any documentation for the default permissions of the /tmp folder on *nix, in particular Linux? (Or perhaps /tmp doesn't have specified default permissions?) Background: I'm trying to ensure ...
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I used to be able to just file bug reports on Launchpad, but now, with the ubuntu-bug application I am defeated. Specifying the package results in an error telling me that it cannot collect any ...
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The Fedora documentation on updating to a new Fedora release recommends that, after we update, we should update the GRUB bootloader. They provide the following suggested advice on how to update: $ ...
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When documenting command-line things, it is often necessary to use generic names. Sometimes I use input and output words, and they play nice: # example 1 pandoc input_file.md -o output_file.htm But ...
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In the official documentation of Samba, the smb.conf(5) page has an "Explanation Of Each Parameter" section. For some parameters, two possible values (either (G) or (S)) are shown at the end ...
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Here is an example: $ cat file1 hello there $ cat file2 some,very,long,line,hello,csv some,very,long,line,nope,csv $ join -t, -1 1 -2 5 file1 file2 hello,some,very,long,line,csv This works as ...
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I've used rsync for a while, and it's always performed very well. However, trying to rsync my macOS (source, APFS file system) with my Synology NAS (dest, btrfs filesystem) seems to always present &...
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First of all, I know what the option does. According to the Arch Linux Wiki, it gives the command line "wpa_cli" utility the permission to rewrite wpa_supplicant.conf: Warning: Setting ...
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Is there a vimtutor eqvivalent to ansible? I know I can read up on the syntax of a particular module using ansible-doc <module> - but what if I can't recall the module name? If I find myself ...
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I have read that support for the exfat filesystem has been incorporated in the Linux kernel since kernel ver 5.4 was released in late 2019 - early 2020. I'm confused about what this means wrt the ...
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This in reference to this question. Many thanks to user Marcus Müller for providing the silver bullet for getting Emacs 29 from Debian backports. I've done this already, and profited. However, one ...
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I've done a "Minimal" installation of NetBSD 9.3 from the ISO image, just to examine the behavior of one particular command (mktemp) as it differs from Linux. I'm not seeing man pages for… ...
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While researching the answer for this question, I noticed there is a documentation page for man 5 btrfs that I see online. But I don't see that on Debian 12. Did this get shipped at all? How can I ...
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I want to know the exact syntax for /etc/environment. I know it's not an ordinary shell script, but how exactly are single and double quotes processed? Can environment variables defined earlier in the ...
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Why, unlike Bash, almost all Zsh executable's option of '--help' cannot work, what'd be its counterpart to help user doing on it ?
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I have Linux git repository cloned, latest version of sphinx, GNU make, python, and all dependencies handled, running on MacOS (making the documentation to modify Linux on a VM), I am getting the ...
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I want to construct a program utility synopsis for optional comma separated keywords. utility [KEYWORD[,KEYWORD]...] I worder where I should put the repeating pattern .... I want to allow the ...
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For example the Samsung Galaxy S10 has an Exynos 9820 CPU with integrated NPU. We all know Android is based on Linux. So where can I find the Linux API documentation about how to interact with the NPU?...
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Trying to understand why does the grep manual state the character classes with one square bracket. https://www.gnu.org/software/grep/manual/html_node/Character-Classes-and-Bracket-Expressions.html For ...
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I want to print some usage information for some functions. I customarily use echo or printf for each line. echo "-V, --version" echo " Display the version number and copyrights ...
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I am not new to Linux but I am new to Linux Mint since I switched from Ubuntu due to reasons out of scope of this question (snapd, update borked my computer) I selected for FDE (Full Disk Encryption) ...
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I want to preview these unix docs : https://github.com/axboe/liburing/tree/master/man , what should I do?
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For systemd's system units (the units you operate with systemctl --system (default)), it's possible to specify DynamicUser=yes to make systemd dynamically allocate a user and group for the service to ...
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when I cat /etc/group and cat /etc/passwd I get a list in which I find many I don't know. I know only group sudo group. But there is are many which I don't knows such as sys, adm .... I like to learn ...
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I am working on the installation for Maxima, a computer algebra system. The reference manual is written as a collection of Texinfo files. The primary documentation is English, but there are several ...
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I had the following experience: ps command: how to know all the headers with their respective descriptions? The answer is totally valid, the man available by the OS itself is not updated, so the web ...
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In vim, there is both a function and a variable called complete. If you do help complete, you get the function's help. How do you get the help for the variable?
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I want to read more about the Linux Kernel argument for memtest. Where can I find out more information about the arguments my kernel accepts?
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The file -b <path> command seems useful for scripting (filtering file types, not necessarily by extension). But for that you have to know the actual string output for your target filetype(s) If ...
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On GNU/Linux is it possible to change the default pager for info command? I would like to use less as the pager (similar to man pages). I have customized less to use colors to make navigation of man ...
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For applications installed via system package manager, binaries, man pages, and docs go in /usr/bin/, /usr/share/man/man<n>/, and /usr/share/doc/<app-name>/ respectively. For example: ...
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I understood that man <command> is the manual page for any command. For man groupdel is possible see only two options: -h --help -R --root CHRROT_DIR Until here at a first glance one can assume ...
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I use kernel.org docs to read about kernel functions. Now I am trying to make possible reading manuals for kernel-mode functions, such as printk with man 9 printk. The section 9 is used for this ...
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I'm looking for good documentation for sysfs; the man page is incomplete and even has one sentence that just stops half way through. I've found the Linux kernel documentation but that's a little bit ...
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i wanted to find a website to download linux kernel documents offline in eother pdf or html or any kind but i dont know where to find and where to download any help would be appreciated the link i ...
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Most of the times when I use apropos I don't care about system calls, library calls etc — I'm just trying to find a command I forgot the name of. Is there a way to trim down the output of apropos to ...
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I'm looking for textual explanation of Linux exit codes (like 124 for timeout, 130 for SIGINT received, etc). I thought errno from moreutils does this but it seems it is for looking for error numbers? ...
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The NOTES section of $ man 5 sysctl.conf states: The description of individual parameters can be found in the kernel documentation. But is there a way for me to find this kernel documentation offline? ...
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Many VPN software use the TUN or TAP kernel driver to create a virtual network interface (mainly for Linux and FreeBSD systems). I know how they work and the differences, this is purely a ...
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Simple, top level question (which, maddeningly has eluded my sorry level of Google-fu): Poking around in my (admittedly out of date) machine, I find the following file: /lib/modules/4.9.0-0.bpo.14-...
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https://stackexchange.com/users/9328287/telcom I found a very useful and meaningful answer of yours about this error: E: The repository 'http://download.virtualbox.org/virtualbox/debian n/a ...
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In the context of adding capabilities to BaseX,I can see some information about a package: nicholas@mordor:~$ nicholas@mordor:~$ apt show basex Package: basex Version: 9.0.1+ds-1 Priority: optional ...
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