Questions tagged [configuration]

The action of modifying a program's behavior, generally by modifying a text file.

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Use a specific font for emojis

i’d like to use the pretty Segoe UI Symbol emoji. I installed the font by copying it over from my windows install, and awesomely enough, my system falls back to it for all emoji that my main font ...
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8 votes
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show running config of samba

Is there a way to unambiguously get the running config of a samba daemon? I can't find any reference to it in the manual. Of course you run testparm, but that would only show the validity of the ...
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Thunderbird: How to transfer CalDAV/CardDAV Connections from one Machine to another?

On my main machine I am running Thunderbird with Lightning and have several CalDAV calendars connected. Furthermore there is also a CardDAV address book hooked up. How can I transfer those CalDAV and ...
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Robust command line (CLI) configuration of Plasma (KDE) applets

Configuration of KDE desktop applets, like the launcher ("Kickoff") or the clock is held in ~/.config/plasma-org.kde.plasma.desktop-appletsrc (at least for KDE 5). I'd like to configure the applets on ...
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How do I make Xorg completely ignore one of my display adapters?

I use Linux Mint on an x86_64 machine with the following display adapters and X server: # inxi -G Graphics: Card-1: Intel Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller Card-2:...
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Why does postfix main.cf contain configuration like readme_directory, manpage_directory etc?

I am setting up a mailserver with Postfix. While configuring it, I see the following values in main.cf. What causes these entries to appear? manpage_directory = /usr/share/man ...
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5 votes
2 answers
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Backup and restore of Centos network interfaces

I have a server running Centos 7 which needs to be rebooted to upgrade some software. Some of the physical NICs have around 5-10 VLAN interfaces each. They're subject to change on a weekly/monthly ...
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Change default applications in Lubuntu

In Lubuntu I can change the default applications using Default applications for LXSession. It saves the default applications in the configuraion file /home/USER/.config/lxsession/Lubuntu/desktop.conf. ...
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Kernel config diffs - better way to maintain

I maintain one Linux distro (LEAF) with multiple kernel targets, so it needs to have multiple kernel configs (one reference config + usual patch files for other targets). But this adds headache on ...
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Is there a more elegant way to unlink two tmux clients sharing a session from inside tmux?

This is almost a code-review question, but very *nixy and more about configuration than code. For years since I switched to tmux from screen I've had a couple of nagging issues that I could not make ...
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sshd: "no hostkey alg" fixed but still confused

Apparently Fedora 35 does not list ssh-rsa in HostKeyAlgorithms or PubkeyAcceptedKeyTypes so trying to ssh from an old CentOS 6 machine yielded an error: $ ssh as1s16.intra.corp.us no hostkey alg So ...
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Automatic generation of mimeapps.list database

In a previous question I enquired about manually setting default applications for different mime types. Other than use tools one among several tools, it boiled down to add an entry to ~/.config/...
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ldap.conf simple auth

I am trying to configure ldap.conf for openldap. I am trying to do simple authentication like you can do with the -x in the ldapsearch commad. We currently have a script that uses a complex ldapsearch ...
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How to reject email falsely claiming to be from a local address in Postfix?

Let's suppose I run the mail server for example.com and the server is running Postfix on Ubuntu. There are two registered users, alice and bob. Postfix receives an email from badhost.com like so: To:...
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Is my ModPagespeedSlowFileLatencyUs setting ignored?

I have put ModPagespeedSlowFileLatencyUs 1500000 on the top level of /etc/httpd/conf.d/pagespeed.conf, as recommended by various posts, but I'm still getting PageSpeed error messages like the ...
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Can I change the X rotate the xf86-video-fbdev during execution?

Below is my /etc/X11/xorg.conf.d/1-fbdev.conf. /etc/X11/xorg.conf.d/1-fbdev.conf Section "Device" Identifier "LCD" Driver "fbdev" Option "fbdev" "/dev/fb0" Option "Rotate" "UD" EndSection I ...
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How best to enable end-user configuration of wifi or Ethernet on embedded device?

I'm building a device that includes an embedded Linux computer and I need to allow the device user to (easily) configure the device to connect to their wired or wireless network. I know there are ...
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Configure a freeRadius server with dhcp function

I have installed a freeradius server on a debian machine and it is working correctly. I want to configure my freeradius server to provide IP addresses for the authenticated users! Can any one tell ...
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Share alsa capture device with alsaloop

I'm trying to 'share' the microphone input such that programs can have access to it. Initial naive attempt. In one terminal: alsaloop -C hw:1,0 -P hw:0,0 -t 500 -c1 -A 5 -T-1 --resample -v In ...
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How can the xkb layout settings be simplified?

The question is, if there is a way to simplify the structure of the xkb configuration related to keyboard layouts? As explained in further detail below there are 5 independent places in which a ...
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4 votes
1 answer
146 views

Protecting process's envvars from exposure

From I've read about current best practices for developing web applications (such as the Twelve Factor guide), the recommended approach for storing configuration data is within environment variables. ...
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How to configure postfix to send mail to external SMTP server?

I have a machine with http://phabricator.org/ set up on it and I would like to set up postfix to enable e-mail sending to my company's mailboxes (as for notification emails coming from e.g. ...
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How to get a Finepoint Digitizer Tablet to work under Fedora Core 16?

How to get a Finepoint Digitizer Tablet to work under Fedora Core 16? The hardware in question is a Gateway m285-E. It uses an active pen (has a battery in the pen). cat /dev/ttyS0 returns ...
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Configure sendmail to send only

I want to configure sendmail only to send emails – not to listen and receive. In /etc/mail/sendmail.conf I’ve got: DAEMON_MODE="None"; QUEUE_MODE="Daemon"; Iptables are disabled (temporarily; only ...
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  • 141
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1 answer
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UEFI boot Fedora from USB 2.0 on 3.0 port (l75d-a7280)

I'm trying to make a bootable usb in ubuntu for fedora, but my settings are not working. I formatted the USB with FAT & Ext4, MBR, and Legacy BIOS bootable. My BIOS allows the USB 3.0 controller ...
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4 votes
0 answers
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How to properly configure GRUB settings from KDE System Settings

I'm using Kubuntu 12.04 with KDE 4.10, and I recently installed the kde-config-grub2 that places a nice Grub configuration panel into KDE System Settings. I played around a bit, more for learning how ...
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1 answer
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vi setting for new window

I'm using Terminator for my terminal emulator. Whenever I open it, the initial workspace comes with the setting I defined in the config file. But whenever I split the workspace, the new workspace ...
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3 votes
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How do you setup the catalog zone in BIND9?

I've been trying to setup a catalog zone in BIND9 so that way I do not have to manually update my slaves each time I add or remove a domain. I asked this question and the answer would be to use the ...
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kernel 2.6.35.3 - how to convert .config to defconfig

If you have newer kernel (i.e. > 2.6.35.3) you can create a 'defconfig' from a '.config' by using make savedefconfig But in kernel 2.6.35.3 - does not provide you with 'savedefconfig' target. How ...
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Thermald throttle unsupported CPU after certain temperature using coretemp

I have a Samsung R519 notebook running Arch Linux 4.19.2. The CPU is an Intel Pentium Dual T3400 (2.16GHz). The CPU often hits its thermal critical level and shuts down during heavy workloads. Fan is ...
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3 votes
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Timeout to keep or reset settings when configuring displays

I'm using Ubuntu 18.04 on my Lenovo W540, and I want to connect three external displays to it through the "Ultra Dock" docking station, and not use the build-in display. According to the manual one ...
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3 votes
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Restore backup of $HOME via rsync

I'm using Opensuse Leap 42.2 and use zypper as my preferred package manager. I did regular incremental updates of my home directory to an external drive via the script: #!/bin/bash source="/home/...
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3 votes
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Freeradius server for multiple vendor network

We have been using network switches from Enterasys and for logging in to these switches, with AD credentials, we have setup a freeradius server on RHEL 6.5 server, that is working absolutely fine. ...
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3 votes
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609 views

Deactivate the new native gesture support in GNOME 3.14

The new version 3.14 of the GNOME desktop now supports multitouch gestures natively. (see e.g. Multi-touch gestures in GNOME 3.14) How can I deactivate this feature? I would like to continue using ...
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3 votes
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Awesome WM loads personal rc.lua but then overwrites with system settings

I just started playing with awesome-wm. Sometimes, when I reload my config, the settings hold. Other times, I can see some settings take for a second, but then are overridden by the defaults. I ...
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3 votes
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Administratively spread several Thunderbird per-recipient rules for some users?

I administer several computers that have Thunderbird/Icedove installed and I want to spread Thunderbird per-recipient rules for some users. The rules are stored in a file - pgprules.xml in the user ...
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3 votes
2 answers
253 views

Vim settings within ncftp edit

I'm using the ncftp utility. It has an edit command which handles the get, edit, put sequence for me as in GUI ftp clients. It's great except for one thing, I get vanilla vim, with none of my ...
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3 votes
0 answers
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Are there any editline configuration files available to make it act more like readline?

With editline replacing readline in a few software packages I use, the annoyance is growing at editline's behaviors and shortcomings. Is there someone maintaining a configuration file to at least make ...
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3 votes
1 answer
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Ubuntu server 16.04 tty not working

I have upgraded my office server to Ubuntu server 16.04, but I have a problem with virtual terminals: they don't open. The system boot correctly, also ssh works, but if I want to use the console by ...
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2 votes
0 answers
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Ssh on unix, ssh_config file not working

I use ssh on my mac and I was deleting know hosts in the /ssh folder. Unfortunately the ssl package stopped working because of my ssh_config. I am a little unsure how to fix this, I have tried using ...
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2 votes
0 answers
64 views

Write logs to specifc file in linux

I have logs coming from my stormshield firewall to my debian server looking like this : 92.168.2.253 → 12.12.4.58 Syslog 758 USER.WARNING: 1 2021-12-22T10:45:38+01:00 FW-STORMSHIELD asqd - - - \357\...
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Why does xorg.conf produce an incorrect monitor order?

My monitor setup is as follows: But everytime I login to any Qtile or KDE the default layout is set to this: Even when I explicitly tell the xorg.conf to put HDMI-0 on the left. Does anyone know why ...
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  • 121
2 votes
1 answer
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understanding ssh: /etc/ssh/ssh_host_rsa_key vs and ~/.ssh/id_rsa_key

I'm trying to understand the difference bw these two files: /etc/ssh/ssh_host_rsa_key ~/.ssh/id_rsa_key Which one's on the server side? which one on the client, connecting via ssh to a remote host? ...
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2 votes
2 answers
967 views

.conf changes have no effect on reboot in WSL?

I've tried making some changes in various .conf files in my Ubuntu WSL2 install, such as editing /etc/sysctl.conf with nano, adding vm.max_map_count=262144 at the end of it, saving, then rebooting ...
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2 votes
0 answers
332 views

Synaptics touchpad, i2c-hid and hid-rmi

I have a similar question as asked here: how should I interpret this line from syslog: psmouse serio1: synaptics: Your touchpad (PNP: SYN1ef3 SYN1e00 SYN0002 PNP0f13) says it can support a different ...
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2 votes
0 answers
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PulseAudio default.pa causes "No card found by this name or index."

I have some lines in my default.pa that I want to use to establish a default for a device whenever it may exist, like this: set-port-latency-offset bluez_card.FC_58_FA_B9_10_64 headphone-output 50000 ...
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2 votes
1 answer
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Unable to create Xorg.conf

I opened a terminal and ran Xorg -configure, then I received error. _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed _XSERVTransMakeAllCOTSServerListeners: server already ...
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2 votes
2 answers
1k views

How do I enable a configuration in a Kernel?

As the title says, I am trying to enable KASAN in my Manjaro distribution for a project, but I have no idea how to. The documentation here (https://www.kernel.org/doc/html/v4.14/dev-tools/kasan.html) ...
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2 votes
0 answers
234 views

Strongswan AUTH_FAILED

I am trying to configure VPN server Strongswan and have a problem: the server always sends to the clients the following response: IKE_AUTH [ N(AUTH_FAILED) ] I've tried to change log level editing ...
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  • 121
2 votes
0 answers
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How to generate network interface config file?

On CentOS, is there a way to generate again the network interface config files? The ones stored in /etc/sysconfig/network-scripts/ifcfg-<ifaceName> It's quite easy to do manually: Get ...
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