Questions tagged [manpage]
A manpage is a piece of documentation (not just a single page) that comes with most programs installed on Ubuntu.This is invoked with the name of a program to call up a help manual with various sections detailing the operation of the program.
273
questions
0
votes
1
answer
36
views
How to access the manpage fo a flatpak application?
Where does one find the manpage of a flatpak application?
For example, I know that Thunderbird usually has a manpage. However, I have tried the following two commands to no avail.
[user ~]$ man ...
- 190
0
votes
0
answers
29
views
How do I view the manual page for Firefox snap
I'm using Firefox 113.02 on Ubuntu 22.04.
These commands produce nothing:
._. man firefox
No manual entry for firefox
._. find / -name "man" -xdev 2>/dev/null | grep firefox
I can see ...
- 562
0
votes
1
answer
140
views
No man page for strcpy_s
I don't have the man page for some c11 string functions such as strcpy_s and strncpy_s. I have the most updated version of gcc but somehow it doesn't recognize gcc -std=c11 -D_DEFAULT_SOURCE -Wall -...
0
votes
1
answer
40
views
How to print the manual of gzip program
I am new to Linux and I need to print the manual of gzip program but I am not able to figure it out. I have written the command man gzip but I am not sure whether it is reading or printing it.
I am ...
-1
votes
1
answer
94
views
Why is `man 3 printf` almost one year behind `glibc ver 2.35`?
glibc ver 2.35 was released 0n Feb 3, 2022, and added the %b and %B binary conversion specifiers. This is a long wished-for feature to display values as a string of "ones and zeros". I'd ...
- 554
1
vote
1
answer
392
views
apt-key command: What is the difference among '--recv-key', '--recv-keys' and '--recv' options?
For documentation purposes, about the apt-key command in many places I found these two variations:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys PUBKEY
sudo apt-key adv --...
- 1,365
0
votes
0
answers
17
views
Manual Page open take lot of time
I run man command to check manual page of netlink API
man 3 rtnetlink
It took long time in opening manual pages , Same observation for other manual pages
- 1
0
votes
0
answers
828
views
magic file capable of detecting file types
how to make a magic file called ft_magic that will be formatted appropriately to detect
files of 42 file type, built with a "42" string at the 42nd byte.
i tried to make a ft_magic file ...
0
votes
0
answers
12
views
help "404 Not Found [IP: 185.125.190.52 443 ]The repository '..' does not have a Release file. Updating from such a repository can't be done securely" [duplicate]
404 Not Found [IP: 185.125.190.52 443][enter image description here][1]
The repository 'https://ppa.launchpadcontent.net/mc3man/gstffmpeg-keep/ubuntu kinetic Release' does not have a Release file.
N: ...
- 1
1
vote
1
answer
74
views
How to set Vi key bindings for man pages
How can I set J/K keys to go up and down in manpages?
In less the keys work, but for some reason, manpages have configured J to be used for go to line. So when I accidentally press J, I am always ...
- 57
0
votes
1
answer
32
views
How do I link to a manpage on ubuntu.com without specifying an Ubuntu release?
Ubuntu has a website providing the manual pages ("manpage") shipped with Ubuntu packages. For example, here are the manpages for rsync:
Ubuntu version
Link to rsync manpage
Ubuntu 18.04 ...
- 40.4k
3
votes
1
answer
3k
views
Missing manpages on a Ubuntu LTS 22.04 Server minimal install
I've installed a 22.04 LTS Ubuntu Server as a minimal install and installed the following packages :
vim man-db manpages dialog bash-completion screen
Now when I run man ls, ubuntu is asking me to ...
- 2,091
0
votes
1
answer
298
views
Restore mandb-triggers after unminimizing installation
The Problem
I've installed Ubuntu 22.04 with minimized installation, then I "unmimized" it by executing sudo unminimize. However, the man package was not originally present and thus mandb-...
- 101
-1
votes
1
answer
35
views
Find the version of a program using the hash
how could i verify that the man is up to date for a command with the hash?
md5sum pwd
md5sum $(whereis history | awk '{print $2}'))
man history presents:
"The GNU History Library is Copyright (C) ...
0
votes
0
answers
27
views
No info on man-page, or on info-page for read command options
I'm new to Ubuntu.
I've read (I think) that man pages had all the information one would want... However, more often than not, I find commands whose man pages are left wanting.
Two examples:
Command ...
0
votes
2
answers
251
views
How can I correct faulty $MANPATH(environment variable)?
My manpath seems to direct itself to the wrong file. when I call echo $MANPATH I get this output:
/usr/local/texlive/2021/texmf-dist/doc/man
and when I try to use man pages for anything like ls or ...
14
votes
5
answers
3k
views
How do I get a readable printed copy of a man page
I've a largish man page (psql) that I'm trying to digest. I've tried redirecting the output of man to a file, but the output confuses LibreOffice enough that whole pages are missing, even if I ...
- 432
-1
votes
1
answer
255
views
I can't update nor install themes , everytime I do , it displays this error [duplicate]
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
. literally for ...
0
votes
1
answer
61
views
Searching for Commands
I am new here, so thanks for accepting me.
Ok, so I have a really dum question, sorry, I am presently still learning.
So what if, I had no idea of what commands are available for a specific task or ...
0
votes
0
answers
80
views
Why can't I search with slash in the terminal?
After opening any man page and pressing / there is no reaction from man. Although if I open files with vim everything works fine and I can search through them.
$ uname -v
#47~20.04.2-Ubuntu SMP Mon ...
0
votes
1
answer
173
views
Trying to tweak my sudo configuration
so I am trying to tweak my sudo configuration(sudo visudo -f /etc/sudo.conf) but unfortunately the following errors appeared ???
/etc/sudo.conf:16:22: syntax error
Plugin sudoers_audit sudoers.so ...
- 41
0
votes
1
answer
44
views
Help on function options [closed]
I am writing documentation for a bash function that I am writing. It supports a colour option which can be one of --vlt --blu --grn --ylw --orn --pur --red --wht. I have used the following ...
- 359
1
vote
2
answers
508
views
How to determine the location of the main man page directory
I have an install script for a little program (script) that comes with man pages.
How can I find the location (full path) of the main man page directory?
As manpath gives me a list of directories, I ...
- 153
0
votes
0
answers
30
views
Man pages displaying oddly
I've noticed this happening to man pages just recently:
It's happened a few times before but seemed to have resolved itself, through updates I imagine.
Any advice on how to fix?
Thanks.
Ubuntu 21.04
- 201
2
votes
2
answers
2k
views
No manual entry for chdir
I tried to look up for this common error, but I was shocked to find out there is no one simple solution, all are very specific to the issue.
My issue is, on Ubuntu 20.04 LTS, that I try to run man ...
- 23
4
votes
1
answer
284
views
Where is the man or manpage for a flatpak application?
How would I read the man page for calibre when it's installed from flatpak as below?
nicholas@gondor:~$
nicholas@gondor:~$ flatpak info com.calibre_ebook.calibre
calibre - The one stop solution to ...
- 1,064
3
votes
3
answers
928
views
How to run or execute the ebook-convert script from a flatpak install of calibre?
Where and how can I run the ebook-convert script for calibre from the console?
nicholas@gondor:~$
nicholas@gondor:~$ flatpak info com.calibre_ebook.calibre
calibre - The one stop solution to all ...
- 1,064
1
vote
1
answer
351
views
man command showing: nothing appropriate
When I type the command man -k which
the console display which: nothing appropriate.
I using Ubuntu 18.04.3
0
votes
0
answers
45
views
Where is the manpage of endsgent?
https://code.woboq.org/userspace/glibc/gshadow/gshadow.h.html
I don't find the manpage of endsgent. Does anybody know which package has the manpage for endsgent?
- 941
1
vote
0
answers
78
views
Change location for man pages
Until Ubuntu 18.04, if you wanted to change the man pages location, you just have to execute something like this (depending on the desired language you wanted, in this case, spanish):
sudo apt install ...
- 373
0
votes
1
answer
720
views
No manual entry for interfaces
I was reading through Ubuntu 20.04 documentation and in the TCP/IP Configuration section there is a tip about man interfaces command. When i try to use it, I get No manual entry for interfaces. I ...
- 53
0
votes
1
answer
274
views
X11 apps (specifically xman) on a large 4K TV are tiny -- how does one upscale x11 apps? OR Have any recommendations for a man page GUI?[Ubuntu 20.04]
OS: Ubuntu 20.04
Display: 4096 × 2160 on a 4K TV
Display Settings: Use interface scaling: Double (Hi-DPI)
Howdy friends. I am rocking a 65-inch (165cm) TV as a monitor at 4K resolution on Ubuntu 20....
- 23
0
votes
0
answers
58
views
How to download the manpages of all ubuntu packages at one shot?
Is there a way to download the manpages of all ubuntu packages without installing the packages. I just want to look up the manpages in a non-ubuntu machine. So I don't want to and can not install the ...
- 941
0
votes
1
answer
49
views
Iterating over man page's parameter options by script
This might be a really stupid question but I really haven't found an answer or even information that would help me with what I am trying to do.
I just wanted to know if it is somehow possible to ...
- 3
2
votes
1
answer
197
views
How to install the `htop` manpage?
I have htop installed via snap, but apparently the man page (man htop) is not installed. Is it possible to install this?
- 1,799
0
votes
0
answers
159
views
sudo is required to view manpages when using most as the pager
I've installed most to be used as the default pager to view the man pages. most is exported as the PAGER in .bashrc. When I run a command like man grep I get the following error:
man: can't execute “...
0
votes
1
answer
43
views
Lack of some manual entries
I tried to find some manual entries e.g. man 3p printf, man stdlib.h (in general any posix section 3 entries, nor C libraries), but I'm getting a message that there are no manual entries for them. The ...
- 101
9
votes
2
answers
1k
views
How to use grep to search for options in a man page? [duplicate]
I want to search for specific options like -s, -f, -l in a manpage and display only the results that contain info on what those options do. I tried this command hoping that the single quotes would ...
user1131566
0
votes
1
answer
145
views
Uneven spacing in man pages
What I have observed is that there is uneven spacing in the text in the man pages. Between some words there is a single space, where as some words have a double spacing.
What I have observed is that ...
- 2,565
0
votes
1
answer
161
views
Man page for jdk commands like jshell, jlink
On ubuntu, I have installed java doc via command:
sudo apt install openjdk-11-doc
But, still can't find any doc via man jlink.
Does that means javadoc doesn't include man page for jlink or I didn't ...
- 472
3
votes
1
answer
855
views
What does it contain in linux manual's section 9 of Kernel routines
There are 9 sections in Linux manuals. of which, the ninth is Kernel routines [Non standard].
I check my Kubuntu but get no results feedback.
$ man -s 9 -k .
.: nothing appropriate.
What does it ...
- 2,821
0
votes
1
answer
69
views
Ubuntu Server on-line manual incomplete
I've realized that man in Ubuntu Server (Bionic) is incomplete if compared with Ubuntu Desktop (Bionic) version.
I searched for some system calls like fork using the command man 2 fork and it return ...
- 184
0
votes
0
answers
25
views
How to directly run the examples of "man" for a particular function [duplicate]
man function are best way for learning new information in Ubuntu. They are the most extensive source possible. Every man has a section of **Example (in majority of cases),my query is on ways to use it ...
- 181
1
vote
0
answers
36
views
How to display classic man page from local file with troff format?
I have a file with troff format and would like to recast to man page
file.txt:
.. c:function:: bool is_module_percpu_address (unsigned long addr)
test whether address is from module static ...
- 121
0
votes
1
answer
1k
views
Man doesn't work on Ubuntu 18.04
I recently updated my machine from Ubuntu 16 to 18
Now man doesn't work at all
man man
man: nroff: Bad system call (core dumped)
man: command exited with status 159: (cd /usr/share/man && /...
- 111
0
votes
1
answer
185
views
apt upgrade command option not explained in man or --help
There is a -u option in this command:
apt -u upgrade
Can anyone explain what -u option stands here for ?
And why isnt' it explained in the
man apt
- 403
1
vote
2
answers
3k
views
How to Install Flashforge FlashPrint 3D app in Ubuntu
Sorry.. completely new to linux so go easy.. and none of the .man threads seem to make any sense to me. I have downloaded the flashprint 3d software from flashforge and within the zip file (...
- 19
1
vote
0
answers
194
views
man shows old version of g++ despite installing newer version
I've installed gcc-9 and g++-9 as written in this answer
answer
and updated the alternatives as shown in the comment, still when I type man g++ it shows the man page of the previous version.
The ...
- 11
0
votes
0
answers
305
views
MAN pages are not displaying properly
man ls command output
My man pages are not displaying properly in Ubunut 16.04
The command line arguments are not displaying, instead of them comma is being displayed as shown in attached image above....
1
vote
1
answer
369
views
How to add man page for postgres?
I just install postgres 9.6 inside my /opt directory. I want to show the man page of the postgres. While I type man postgres, it says,
No manual entry for postgres.
I think this error may arises ...
- 121