Questions tagged [etc]
/etc is the directory that holds the essential system and software configuration. Use this tag for questions on the organization of /etc or the syntax of configuration files within /etc. Don't use this tag for questions on the configuration of particular software.
175
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Convention to install files to /etc/ as non-root?
This question possibly has relevance in both Unix & Linux and Stack Overflow; I'm posting at Unix & Linux first, because I think I'd like to understand the issue from the perspective of Unix/...
- 1,443
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2
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Why does the output of testparm differ from /etc/samba/smb.conf?
This is the output of the [global] section of the /etc/samba/smb.conf of a random Synology NAS:
~# cat /etc/samba/smb.conf
[global]
printcap name=cups
winbind enum groups=yes
...
- 243
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1
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54
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user login not working after overwriting /etc
I used rsync -aiiP to copy the /etc from my old laptop to the /etc of my new laptop. After locking the screen and trying to log back in, my password no longer works. I rebooted but it gets stuck on ...
- 1,056
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13
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Limitations, caveats, pitfalls when writing scripts to be run by /etc/network/interfaces
My /etc/network/interfaces file has grown too much.
I have a lot of lines with adding and deleting rules to iptables. I add them bypost-up and pre-down).
I want to organize iptables rules and put ...
- 699
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50
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Damage control after erasing /etc in Cygwin?
I was doing housekeeping using the Windows adminstrator account, and I erased Cygwin's /etc folder tree.
I cannot reinstall Cygwin, as I was in the process of taking stock of what files I need to ...
- 263
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97
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Which IP is chosen when multiple IP addresses in /etc/hosts point to the same name?
My hosts file contains two entries:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
I ...
- 39
2
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1
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420
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How to see all config files that differ from package maintainers' versions in Debian?
When installing an upgrade with sudo apt-get upgrade it displays:
Configuration file '/etc/grub.d/30_os-prober'
==> Modified (by you or by a script) since installation.
==> Package distributor ...
- 3,694
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415
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How to reset the printing system (CUPS)?
I would like to know how to cleanly reset the printing system (CUPS) to its initial state.
Alternatively, it may suffice for me to know how to take a "snapshot" of CUPS configuration and to ...
- 1,798
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1
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make /etc/profile take effect permanently
https://help.ubuntu.com/community/EnvironmentVariables#Persistent_environment_variables
https://unix.stackexchange.com/search?page=1&tab=Relevance&q=automatically%20source%20%2fetc%2fprofile
...
- 507
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28
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Why won't script placed in /etc/init run on startup until it is resaved?
Using WinSCP I've moved a .conf file from my desktop to /etc/init of my device so that it will run on startup of the device using Upstart. However, the file does not run on reboot of the device until ...
- 1
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26
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etc shadow file for passwd - calculate not only date but time
I want to know if there is a way to get the last password change date + time stamp ?
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1
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61
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I am not sure about correct way to export PATH
I have Java and Springboot cli added to PATH however, when source /etc/profile it gives error.
And on restarting PC, BASH is not loading.
My export in /etc/profile
export JAVA_HOME=/usr/lib/jvm/java-1....
- 103
0
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1
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159
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A script /etc/profile.d/{script1}.sh doesn't work correctly
cat /etc/profile.d/atlassian-plugin-sdk.sh
export PATH=$PATH:/opt/atlassian/plugin-sdk/bin
ls -al /etc/profile.d/atlassian-plugin-sdk.sh
-rwxr-xr-x 1 root root 48 Apr 17 21:36 /etc/profile.d/...
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97
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Does "no-auto-down" and "no-scripts" support pattern matching interfaces in /etc/network/interfaces?
I tried reading the manual from https://man.cx/interfaces(5) and searching for some open-source code.
But I didn't find any specific description of the option of "no-auto-down" and "no-...
- 103
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1
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Recovering /etc/passwd file
I deleted my /etc/passwd with my fat fingers.
I saw that there is a /etc/passwd- that looks like a backup file but I cannot copy it to restore the original one since I can't sudo anymore.
My volume is ...
- 456
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2
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407
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Where should I source /usr/local/etc/profile from? .bash_profile or /etc/profile?
I know that, by default, bash will source /etc/profile and ~/.bash_profile.
Now, suppose I also have machine-specific profile commands in /usr/local/etc/profile (involving stuff that's in /usr/local, ...
- 8,143
1
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0
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1k
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Why is `pam_nologin.so` denying access despite no existence of `/etc/nologin`?
After A lot of searching, I managed to debug a PAM configuration file, and it turns out the pam_nologin.so module was denying access to my system. Now, this is particularly strange since, according to ...
- 61
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1
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1k
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How to use curl to get a file from a specific directory?
I'm working on the VulnBox DriftingBlues 7. I'm trying to figure out how to curl from, for example, /etc. I can't figure out the syntax though. I'm trying to do something like this: curl http://vuln....
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0
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60
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Can ADB debugging make XAPK downloads possible?
I have just got the adb debugging method started on my chrome os for an alternate developer mode approach. However, I noticed that apks are starting to transfer into XAPKS which are a somewhat ...
- 13
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43
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Why is the IP address lookup in /etc/hosts only sometimes work?
The '/etc/hosts' file in a Linux laptop (with LAN IP 172.17.37.21) by default contains :
127.0.1.1 Acer-Aspire-6930G
When I want to reach this laptop wirelessly from a smartphone or a PC using an FTP ...
- 197
2
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2
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608
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Removed /etc folder how do I keep my data after booting
I accidently removed the whole /etc folder (rm -f /etc) please don't ask why I was in a rush. Then I panicked and restarted my computer. Now all I have is GRUB. Is there a way to recover my data? I'm ...
- 21
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796
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Why does Kali Linux have other existing users from /etc/passwd file? I never created these users
I simply wanted to see my user that I just created in the terminal but I came across this sea of users in my existing Kali Linux vm. The command I used displayed a list of users. It started with "...
1
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2
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92
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What if I wanted /etc to be called something else?
Aside from the kernel itself, the Filesystem Hierarchy Standard is perhaps the only major feature common to all linux systems. Some obscure distributions modify it only slightly: stali, for example, ...
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95
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Is it safe to hardcode /etc/ path for configurations in an application I'm contributing to?
The application I'm contributing to requires configuration files as a part of its operation. This is currently placed within the root directory of the application.
If I followed the FHS, the config ...
- 119
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4
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1k
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Is /etc/services actively used when an application binds to a port?
When an application is looking for a port to bind to,
is /etc/services actively searched to ensure there are no clashes?
I.e., if a port is registered in /etc/services,
is it reserved whether it’s ...
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1
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310
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Trying to understand the /etc/resolv.conf
I am trying to understand the entries in the /etc/resolv.conf file in linux systems.
The file contains a list of keywords and values.
This is an example of the contents of the /etc/resolv.conf:
...
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200
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Error when loading /home/user_name/.profile
I was trying to install awesomeWM and after logging out i saw this message.
Error when loading /home/user_name/.profile
tput: No value for $TERM and no -T specified
As a result the session will not ...
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1
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166
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What will happen if I add 1 million lines in /etc/hosts/ [duplicate]
I am trying to write a website blocker and the simplest thing I found is putting lines at the end of /etc/hosts. If I want ot have 1 million websites blocked that redirect to localhost would that slow ...
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1
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124
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How to display a system account with the highest user id
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/...
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369
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What to do when you can't edit /etc/hosts
I need to override DNS for a few hostnames on a Linux Centos 7 machine. I do not have write access to the file, however. What can I do in this case?
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165
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env variable in /etc/ld.so.conf
I've created a test.conf file in /etc/ld.so.conf.d/ folder with written:
TEST_PATH=/path/To/My/Parent/Folder
In my /etc/ld.so.conf I've added instead:
$TEST_PATH/mylib1
$TEST_PATH/mylib2
$...
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2
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1k
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Someone is locking /etc/group for a very long time - what to do?
I want to change something in /etc/group - namely, to add some user to some group. But something - I don't know what or who - has created an /etc/group.lock file. fuser /etc/group.lock gives nothing, ...
- 8,143
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1
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What replaces /etc/services in openSUSE, and how
I am running openSUSE Linux, the Tumbleweed version. I discovered that it does
not use an /etc/services file, though I do not know what is replacing it, or
how it is done, and I do not have much ...
- 826
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267
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Alternative to modifying /etc/hosts for dns lookup
I am a networking newb - ping cannot locate certain dns names, so I put them in /etc/hosts like this:
10.128.0.22 kafka.marathn.meso
10.128.0.31 elasticsearch.marathn.meso
and then ping can find ...
- 8,992
0
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1
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399
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Why systemd stopping immediatly after spawning?
I am facing issue while loading vpp.service in systemd.
I have written following service.
[Unit]
Description=Vector Packet Processing Process
After=syslog.target network.target auditd.service
[...
- 11
1
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2
answers
2k
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How can I `usermod` old users with new `/etc/skel` files?
I want to "update" old users with new /etc/skel content on Debian and Ubuntu installations. Scripting this is possible...
find /home -maxdepth 1 -mindepth 1 -type d | while read homedir; do
user="...
- 724
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383
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Persisting sshd_config settings
When modifying Linux configuration files, it is often recommended to place local changes under a .d directory, e.g., /etc/sudoers.d/ or /etc/apt/sources.list.d. In my understanding this is to avoid ...
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101
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Stuck setting up multiple network interfaces with one gateway using /etc/network/interfaces
I'm an advanced noob and I'm running into the limitations of my understanding of how to set up my network. My gateway to the internet should be 10.0.1.1, and I have 2 PCI 10ge nic cards installed to ...
- 11
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1
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1k
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Can msmtp rewrite addresses?
I am trying to get all my system emails to be forwarded to my gmail address, using msmtp 1.8.3 and /etc/aliases on debian. It works, but I get errors from gmail.
When I email root (via echo "hello ...
- 209
2
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1
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2k
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Strange issue with DNS: drill works but getent hosts does not
I'm running Arch Linux ARM on a Raspberry Pi 4. I'm currently having an issue with the domain resolution. The "user space" applications including ping, web browser, etc. do not resolve hosts, although ...
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1
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121
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Use /etc/profile settings for passwordless user
I'm having a small issue. I have a passwordless user (jenkins) on a Unix system. This user is used by jenkins to perform some commands.
Because I installed nvm on this unix system, I needed to add to /...
- 13
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1
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4k
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vsftpd service does not start saying vsftpd.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
I am configuring with Ansible a VM running Ubuntu to run this FTP server: vsftpd, however after the installation when I inspect the logs with journalctl -u vsftpd.service I see:
Nov 20 17:49:58 my-vm ...
- 425
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420
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Password Settings of AIX
esaadmin:
password = *
dbahx:
password = *************
sysgina:
password = *************
fsecbp:
password = C6qoi9yK.H0So
Hi All,
I am trying to understand what does
password = **...
- 7
1
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1
answer
83
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Git/etckeeper shared between systems
I've four Raspberry PiZeroW on my system running ArchLinux ARM (alarm) that I use solely as snapclient for streaming music synchronously about the house.
Initially I had one PiZeroW and I used ...
- 511
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0
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97
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How to create user who will not be using /etc/passwd for authentication?
I want to add a user to my Ubuntu who will be authenticated using SQLite or another database. I don't want to use /etc/passwd file. How can I achieve it?
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2k
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Unable to save file in /etc/ssh/ because incorrect permissions (Linux Mint/Debian)
When I attempt to edit '/etc/ssh/sshd_config', and save the file, I get an error saying: 'Could not save the file /etc/ssh/sshd_config. You do not have the permissions necessary to save the file.. ...
- 187
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2
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1k
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backup - can I use git to backup /etc? [duplicate]
I am using mac, and /etc is just a symlink to /private/etc, which contains hundreds of (important) configuration files, and the total size of /private/etc directory is smaller than 1 MB.
Is it a good ...
- 417
3
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2
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365
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Is the .d notation for folders in /etc recommended or not?
When building a new software that will store a directory of configuration files in /etc, should the directory be named software_name.d or just software_name?
I can't seem to find good style guides ...
- 41
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1
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277
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Find hostname of Mac OS client for NFS /etc/exports (permission denied)
I'm trying to set up an NFS server to browse files from a remote Ubuntu server on a Mac client.
I'm having trouble finding out what to put as my client hostname/address in the /etc/exports entry. I ...
- 111
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1
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2k
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Source of /etc/protocols and /etc/services?
Those files are databases which contain IP protocol number, alias and service mappings. As a user I don't usually interact with those in any direct way, but the need to create special Linux/GNU ...
