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.

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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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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-...
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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 ...
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2 answers
108 views

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, ...
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1 vote
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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 ...
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-2 votes
1 answer
297 views

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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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 ...
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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 ...
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2 votes
2 answers
227 views

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 ...
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1 answer
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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 "...
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2 answers
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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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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 ...
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4 answers
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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 answer
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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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1 answer
152 views

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 answer
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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 answer
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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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0 votes
1 answer
283 views

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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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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1 vote
2 answers
561 views

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, ...
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5 votes
1 answer
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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 ...
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1 answer
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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 ...
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0 votes
1 answer
269 views

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 [...
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1 vote
2 answers
1k views

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="...
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1 answer
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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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1 vote
0 answers
57 views

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 ...
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7 votes
1 answer
757 views

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 ...
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2 votes
1 answer
1k views

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 vote
1 answer
102 views

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 /...
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1 answer
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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 ...
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  • 355
0 votes
1 answer
256 views

Password Settings of AIX

esaadmin: password = * dbahx: password = ************* sysgina: password = ************* fsecbp: password = C6qoi9yK.H0So Hi All, I am trying to understand what does password = **...
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1 vote
1 answer
64 views

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 ...
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1 vote
0 answers
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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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0 votes
2 answers
1k views

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.. ...
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1 vote
2 answers
1k views

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 ...
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1 vote
2 answers
244 views

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 ...
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1 vote
1 answer
204 views

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 ...
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3 votes
1 answer
2k views

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 ...
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-3 votes
3 answers
149 views

How to display only names of the file [closed]

How to display only the names of the last 10 services listed in /etc/services?
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1 vote
0 answers
373 views

A more permanent change to readonly squashfs mounted /etc

I have an IP-camera with the BusyBox v1.22.1 operating system that has some accounts either without or with public known passwords that I want to change to make it more secure. I have managed to log ...
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1 vote
1 answer
345 views

OpenBSD: Check what files under /etc has changed in comparison to pristine base system

I'm planning on setting up a new personal OpenBSD-current system by means of installing the latest OpenBSD snapshot, and I would want it to look more or less similar to my existing OpenBSD-current ...
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  • 267k
0 votes
1 answer
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What is the difference between using crontab -e and /etc/crontab [duplicate]

I wish to run stuff from startup and also trigger reboots using cron. I was using sudo crontab -e and adding commands there. The commands work apart from the reboots. The reboots do not happen all ...
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1 vote
1 answer
896 views

Unable to edit auto_master under macOS Mojave [closed]

I'm running macOS since several years and I have an auto_master file that contains my mounts config. On a new Macbook, I cannot edit this file which is in the /etc folder and I have the following ...
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2 votes
1 answer
820 views

Why does the primary group of my user show up in /etc/group?

I'm following a course about Linux and it states the following: "The primary group of a user is not mentioned in the /etc/group file." However, my primary user "timgeldof" actually does show up in ...
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0 votes
1 answer
310 views

MAXWEEKS on Solaris is equals to 13

I have a server where MAXWEEKS is set to 13 in etc/default/passwd. I know that this setting means that password will expire after 13 weeks. My question is if the user does NOT change the password, ...
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1 vote
1 answer
82 views

Is there any way of resizing /etc directory in linux machine [closed]

I have tried to create a partition name "/etc' at OS installation time and my installation was not working.When I cancel creating "/etc" directory than it worked. Though all configuration files are ...
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2 votes
1 answer
593 views

Whitespaces in /etc/exports

I've read the following in a website [1]: /etc/exports is very sensitive to whitespace - so the following statements are not the same: /export/dir hostname(rw,no_root_squash) /export/dir hostname (...
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0 votes
1 answer
2k views

/etc/bashrc overrides my settings in home .bashrc

i have the following code for my prompt in .bashrc in home dir: PS1_TIME='\033[01;31m\]\t \033[01;32m\]' PS1_USERNAME='\[\e[1;36m\]\u\e[1;37m\]@\e[1;32m\]\h\[\033[00m\]' PS1_LOCATION='\[\033[01;34m\]\...
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2 votes
3 answers
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How to make name server address permanent in /etc/resolv.conf even after system reboot? [duplicate]

I changed nameserver in /etc/resolv.conf and after a system reboot it resets the nameserver back to what it was. I am using linux mint 19 (Cinnamon). # This file is managed by man:systemd-resolved(8)...
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1 vote
1 answer
615 views

user resources csh.login restrictions

I need to fix a vulnerability in a RedHat 6 server: File /etc/csh.login must exist, and must trigger an invocation of source /etc/profile.d/IBMsinit.sh. I verified file csh.login is in /etc, but I ...
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