Questions tagged [fedora]

Fedora is a Linux distribution with a fast release cycle, maintained by a community and sponsored by Red Hat.

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113 votes
4 answers
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How can I make a script in /etc/init.d start at boot?

I think I read something a while back about this, but I can't remember how it's done. Essentially, I have a service in /etc/init.d which I'd like to start automatically at boot time. I remember it ...
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  • 36.1k
137 votes
2 answers
131k views

What is this folder /run/user/1000?

What is this folder: /run/user/1000 on my Fedora system and what does it do? ~ $ df -h Filesystem Size Used Avail Use% Mounted on tmpfs 1.2G 20K 1.2G 1% /run/user/1000 EDIT: 7 ...
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62 votes
11 answers
206k views

What is the equivalent of 'update-grub' for RHEL, Fedora, and CentOS systems?

In Ubuntu (and I guess in Debian too) there is a system script named update-grub which automatically executes grub-mkconfig -o with the correct path for the GRUB configuration file. Is there a similar ...
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  • 2,530
74 votes
1 answer
28k views

Why doesn't my systemd user unit start at boot?

I'm trying to create a systemd user unit and have it start when the system boots. The service does start manually, however it does not start at boot. From searching the Internet I learned that in ...
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9 votes
2 answers
5k views

Why doesn't umask set the execute bit? [duplicate]

I'm new to Linux. I have been practicing a few commands. My question is about when I'm creating different files using a different umask. For example: umask 222, as I understand it, is the same as 777 ...
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  • 99
65 votes
9 answers
37k views

Who's consuming my inotify resources?

After a recent upgrade to Fedora 15, I'm finding that a number of tools are failing with errors along the lines of: tail: inotify resources exhausted tail: inotify cannot be used, reverting to ...
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  • 26k
38 votes
5 answers
146k views

yum installs kernel-devel different from my kernel version

I am attempting to install the VMWare player in Fedora 19. I am running into the problem that multiple users have had where VMware player cannot find the kernel headers. I have installed the kernel-...
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47 votes
10 answers
93k views

How can I remove Orphan Packages in Fedora?

I just switched from Ubuntu to Fedora14. In Ubuntu we had the apt-get autoremove thing to remove orphan/unused packages. What is the counterpart in Fedora?
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  • 521
44 votes
3 answers
117k views

How to make Fedora user a sudoer?

I want to give a Fedora user sudo privileges. How do I do that?
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  • 61.6k
24 votes
6 answers
94k views

How can I change the default "ens33" network device to old "eth0" on Fedora 19?

I've just installed a Fedora 19 on VMware workstation 9. The default network device is "ens33" instead of "eth0" on RHEL. The reason I have to use "eth0" is that the license component of one of our ...
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  • 343
25 votes
2 answers
27k views

service vs. systemctl scripts -- which to use

In Fedora we have 'systemctl' and 'service' scripts. It seems that service internally calls systemctl. So what is the correct/right way on Fedora to start or stop services -- via systemctl or service ...
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  • 1,481
19 votes
7 answers
11k views

How to replicate installed package selection from one Fedora instance to another?

I have a Fedora system (A) where I have installed some packages over the time. Now I want to install Fedora on another computer (B) and I want to install the same packages on it. In Debian terms I ...
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  • 53.6k
20 votes
2 answers
23k views

ulimit PICKLE: "Operation not permitted" and "Command not found"

I'm trying to increase the maximum number of open files for the current user > ulimit -n 1024 I attempt to increase and fail as follows > ulimit -n 4096 bash: ulimit: open files: cannot ...
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  • 565
8 votes
11 answers
53k views

File /etc/resolv.conf deleted on every reboot, why or what?

I am having an issue where DHCP (I though as I read in other similar topics) is clearing the /etc/resolv.conf file on each boot. I am not sure about how to deal with this since the post I have found (...
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  • 811
7 votes
3 answers
4k views

How to disable Internal Keyboard on Fedora 26 (Wayland)?

I installed Fedora 26 and noticed that the Internal keyboard is behaving a bit weird. Keys are getting pressed all the time. I use an external keyboard, so I can do without the built-in one. P.S : ...
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3 votes
1 answer
4k views

Getting capabilities of my CD/DVD drive when wodim --devices doesn't work

I used to be able to run either commands successfully on my Fedora 14 Thinkpad T410 laptop: $ wodim --scanbus $ wodim --devices However since upgrading to Fedora 19 this no longer seems to work and ...
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  • 348k
7 votes
1 answer
213 views

bash 4.3 "multiple dot" commands fails silently on Fedora

I just noted this on bash 4.3; exact version number is 4.3.42(1)-release (x86-redhat-linux-gnu). $ .. $ ... $ .... $ ..... Why do the "command not found" is not prompted ? $ ... $ echo $? $ 127 ...
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  • 4,067
5 votes
1 answer
2k views

journalctl shows very old boots which are not recycled

The system has very old boots (2 and 3 years old), which are not recycled and I haven't been able to vacuum them: $ journalctl --list-boots --no-pager -16 53baf678f0d749d6b390afea4a3ef96b Wed 2014-04-...
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  • 313
4 votes
2 answers
639 views

Prompt for sudo password rather than give access error

Can I configure Fedora 22 so anything needing root privileges asks for a password, rather than giving an error, and needing me to re-run with sudo? I wouldn't even mind having to type my password ...
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  • 1,118
20 votes
3 answers
13k views

Flash plugin up to date but Firefox keeps telling me that I have the old version

According to my browser (Firefox 34.0) the installed version of the Shockwave Flash plugin appears to be 11.2.202.424. This version is considered to be insecure: https://helpx.adobe.com/security/...
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  • 1,253
18 votes
2 answers
35k views

Change default port for PulseAudio (line out, not headphones)

When I boot, PulseAudio defaults to sending output to Headphones. I'd like it to default to sending output to Line Out. How do I do that? I can manually change where the output is current sent as ...
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  • 3,524
16 votes
4 answers
7k views

dnf equivalent of "yum update --security"

yum update --security installs only security updates. I think it's an extension from the yum-security plugin. Is there an equivalent dnf command? (dnf replaced yum in Fedora 22)
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  • 623
14 votes
1 answer
10k views

How can I trigger the screensaver's locking feature using D-BUS from the command line?

How can I trigger the screen saver manually from the command line? I'm using GNOME 3.8.4 on Fedora 19, but the solution should not necessarily be specific to this distro.
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  • 348k
6 votes
5 answers
27k views

Fedora won't boot after installing Nvidia drivers

I followed this tutorial about Nvidia drivers installation and I accidentally forget to do 5th point (disabling nouveau drivers), so now I can't boot my system. I know I am idiot but is there anything ...
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7 votes
4 answers
4k views

What is the Fedora equivalent to the Debian/Ubuntu package search pages?

The Debian/Ubuntu package search pages are very useful to look up what version of a program is available in what distribution series, how programs are split along multiple packages etc. For example I ...
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  • 53.6k
4 votes
1 answer
4k views

Fedora's command-not-found doesn't work

I've recently installed Fedora 19. Packagekit-command-not-found is installed. But its own examples don't work. When I enter gedti the output is: bash: gedti: command not found... Similar command is: '...
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  • 317
14 votes
2 answers
6k views

How do I look at the source code for a command? [closed]

I suddenly decided I'd like to look at the source code for 'echo' $ which echo /usr/bin/echo so $ ls -al /usr/bin/echo -rwxr-xr-x. 1 root root 32536 Oct 31 2016 /usr/bin/echo so $strings /usr/...
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9 votes
2 answers
3k views

Linux console Shift + PgUp not working anymore

I run Fedora 24 and sometimes use a virtual console.(I use Ctrl+Alt+F3 to switch to the virtual console, so it's not a terminal in X).In the past I could use Shift+PgUp or Shift+PgDown to scroll but ...
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26 votes
4 answers
9k views

Why a long delay after command not found?

Often when I mistype a command such as ls (e.g. I hit ENTER before I type 's') there is a long (~2s) delay after the terminal displays: bash: l: command not found... I can understand the reasons for ...
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  • 565
5 votes
0 answers
11k views

Fedora not detecting my Hard Drive when installing (Fedora 27) [closed]

I am trying to install Fedora as my primary OS (Completely get rid of Windows), here are the steps I have done: Put the ISO on to my 128GB USB. Booted into the USB and clicked Install to Hard Drive I ...
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64 votes
7 answers
56k views

Fedora 23 -- Can I safely delete files in /var/cache/PackageKit/metadata/updates/packages?

I noticed that the folder referenced in the subject line is taking up 1.5 GB. Can I run the below to clear it without causing permanent damage to my system? rm -rf /var/cache/PackageKit/metadata/...
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  • 743
16 votes
2 answers
18k views

Dual Boot Bluetooth LE (low energy) device pairing

I'm trying to pair two bluetooth devices, a mouse and a keyboard on fedora 26. I also have Windows 10 installed. What I did was: pair them on linux then on Windows, but when I tried to insert the key ...
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31 votes
7 answers
31k views

Pairing Bose QC 35 over Bluetooth on Fedora

I am running Fedora 24 with Gnome Shell. I try to pair my new Bose QuietComfort 35 over Bluetooth. I started using the Gnome interface. Unfortunately, the connection seems not to hold. It appears as ...
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  • 593
24 votes
3 answers
31k views

Where does Chrome gets its list of certificate authorities from?

On Fedora, I'm talking about the list displayed when you go to settings > manage certificates > authorities tab. I've read that it should be in the NSS shared DB, but this command returns an empty ...
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19 votes
3 answers
23k views

Reinstalling packages with missing/corrupt files

Following an unclean shutdown and a colourful fsck, a whole bunch of files have gone missing. The output of 'rpm -Va' is several hundred lines long (mostly missing files but also some checksum and ...
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14 votes
3 answers
36k views

How to add more /dev/loop* devices on Fedora 19

How to add more /dev/loop* devices on Fedora 19? I do: # uname -r 3.11.2-201.fc19.x86_64 # lsmod |grep loop # ls /dev/loop* /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3 /dev/loop4 /dev/loop5 /...
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9 votes
2 answers
37k views

SELinux httpd write access to a directory

I am new to SELinux. came from debian. I want to give httpd access to a directory. SELinux Alert Browser suggests: # grep httpd /var/log/audit/audit.log | audit2allow -M mypol # semodule -i mypol.pp ...
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  • 281
30 votes
3 answers
7k views

Fedora boot screen shows both Fedora logo and Lenovo logo. Why and How?

I have an old-ish Lenovo ideapad 110-15ISK with Fedora 30 installed (and a LUKS-encrypted SSD as storage). When I boot this machine: The "Lenovo" logo (actually just a text) is displayed, briefly. ...
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14 votes
4 answers
32k views

What is the prefered way of updating all software in a Fedora installation?

When I install some system, I usually look for a bulk update method, one that will update my recently-installed software. For example, in Debian, that would be changing the sources.list to point to ...
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  • 3,844
35 votes
2 answers
69k views

How to permanently change hostname in Fedora 21

I've heard that changing the hostname in new versions of fedora is done with the hostnamectl command. In addition, I recently (and successfully) changed my hostname on Arch Linux with this method. ...
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  • 1,364
24 votes
4 answers
14k views

Is there a way to install and remove packages in a single yum command?

Is there a way to add and remove packages at the same time with a single yum command? For example, installing postfix and removing sendmail without running two separate commands/transactions.
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8 votes
4 answers
71k views

Enable remote desktop for Gnome from command line?

I am trying to set up some automation scripts to set up a Linux environment. I would like to enable remote desktop sharing without the user having to actually use the GUI to do so. My plan is to write ...
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  • 183
21 votes
3 answers
34k views

How to disable useless "audit success" log entries in dmesg

Short version: How to disable audit messages (dmesg) on a Fedora system? A Fedora system keeps logging "audit: success" messages in dmesg - in such an extreme way that dmesg has become ...
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  • 5,685
15 votes
1 answer
3k views

Can I restrict a user to use special programs?

Is it possible to add a user and restrict him to run special programs? For example after this user logs in, he can only open Firefox to use Internet and no other programs can be run by this user. For ...
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  • 1,249
10 votes
3 answers
30k views

How to run 32 bit programs on 64 bit Fedora 17?

Although the Android Development Tools (ADT) bundle is available as a zip package for 'Linux 64 Bit' it states following requirements: 64-bit distributions must be capable of running 32-bit ...
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  • 53.6k
37 votes
3 answers
22k views

finding systemd unit 'owning' a running daemon process

To debug a JACK/Pulseaudio issue, I want to understand when and why the pulseaudio daemon is started by systemd (on Fedora). Using: $ ps -o'pid,ppid,args' `pgrep pulse` I see that the pulseaudio ...
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  • 473
17 votes
1 answer
9k views

What is the purpose of /usr/lib/.build-id/ dir?

After a fresh inst of f27 (netinstall) I noticed that many pkgs place tiny files in /usr/lib/.build-id/ dir. At 1st I thought I somehow had enabled some obscure "debug" mode for dnf, but even $ dnf ...
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15 votes
1 answer
9k views

how to create a custom SELinux label

I wrote a service/single binary app that I'm trying to run on Fedora 24, it runs using systemd, the binary is deployed to /srv/bot this service/app I wrote needs to create/open/read and rename files ...
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  • 381
12 votes
4 answers
16k views

Low sound volume on Lenovo laptop under Fedora

I'm having trouble hearing anything at all under Fedora 16 on this Lenovo T520. Everything in alsamixer is at 100% (both pulseaudio and card). I installed Windows 7 on the laptop to check if the same ...
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  • 851
13 votes
3 answers
33k views

Safely uninstalling GNOME desktop environment on Fedora 29

This question is similar to What is secure to remove from GNOME Desktop => GNOME (but not a duplicate). I want to remove the GNOME desktop environment. Running the proposed command in this ...
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