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Questions tagged [hosts]

An /etc/ file that lists the hosts on a network (/etc/hosts ).

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Make Hosts Only Edit Via Custom (not sudo) Password - To Stop Addiction

I use Firefox extensions and modifications to the hosts file in the /etc directory to block websites like Instagram, Reddit, and YouTube. However, I sometimes bypass these self-imposed restrictions ...
amateur_bot07's user avatar
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87 views

sudo: unable to resolve host: Name or service not known

I noticed that in my team's Docker CI sudo commands, e.g. time sudo xvfb-run coverage run -m pytest test/gui, report an error such as: sudo: unable to resolve host runner-qwqjblm--project-1351-...
Olumide's user avatar
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1 answer
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hosts.deny file breaks when I edit it with python- why? and how do I edit the file with python without losing functionality?

I've started monitoring system logs on my ubuntu sever and noticed thousands of failed ssh attempts from ips all over the world. I wrote a simple python script to track the ips and then edit them into ...
KawaiiKhed's user avatar
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94 views

Unexplained read error w/hosts.allow hostname lookup only

Yesterday I was locked out of a server with the error "kex_exchange_identification: read: Connection reset by peer" and I immediately found the cause after having connected over KVM that the ...
Melt Down's user avatar
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54 views

Is it possible to block ONLY the homepage of YouTube but not its videos using /etc/hosts?

Use Case: Block the homepage of YouTube (https://www.youtube.com) but not YouTube videos (https://www.youtube.com/watch?v=Y1lsbF9NWW0) In order to block the YouTube homepage, I modified my /etc/hosts ...
user21819272's user avatar
0 votes
2 answers
350 views

Host and fstab file messed up after try to change swap size

I was trying to increase the swap size of my Ubuntu. I, naïve, followed the steps of this answer: Check the swap that is in use: sudo swapon -s If swap partition(s) are found: sudo swapoff -a sudo ...
Simón's user avatar
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1 answer
245 views

I am unable to access or write to etc/hosts file

I am attempting to edit theetc/hosts file. I am able to access it through the graphic file system to find that it is read only. When using sudo nano etc/hosts as many suggest, I see that the directory ...
hysiminai's user avatar
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1 answer
45 views

Multi sites hosts on a virtualbox webserver

I have a LAMP server on Kubuntu running in virtualBox (NAT network). I have two sites site1.conf and site2.conf too create virtualhosts I have modify hosts to have access localy site1.local and site2....
Gaëtan BILLON's user avatar
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0 answers
144 views

How to block a specific youtube video on ubuntu?

I can already block whole websites using /etc/hosts. Right now I want to block some specific Youtube videos for all users. The exact URL blocking is not working and the URL itself is dynamic. How can ...
Likhon's user avatar
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24 views

After fresh install my laptop is still hosting on my router even with wifi disabled?

I have a Dell Inspiron N5010, did a fresh install via USB erasing the disck & using automatic applied settings (Did not have wifi or bluetooth on both soft/hard). I did this because I my laptop ...
dailytruthseeker's user avatar
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59 views

How to deny some commands from a specific IP address?

I was inspecting some browsers securities and while entering a game page my snort rules detected this. It was something about an privilege escalation from this server. I don't want to block it, ...
Tekomo Nakama's user avatar
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202 views

Help with error: Failed to restart hostname.service: Unit hostname.service not found

Followed a tutorial for setting my hosts and hostname file. When I go to service hostname restart I get error: Failed to restart hostname.service: Unit hostname.service not found. My hosts file is set ...
ubudoge's user avatar
  • 31
1 vote
1 answer
98 views

Check a host file for modification and if missing add it

I'm using docker in which the container has its own /etc/hosts file. It gets cleared out when rebooting. I'd like to create a script to check for an entry and if missing add it. So if /etc/hosts has ...
Mark Vetter's user avatar
1 vote
1 answer
4k views

Editing /etc/hosts using WSL vs. using Notepad as an administrator

Why am I not able to modify my /etc/hosts file in Ubuntu through WSL? But if I try to run Notepad as an administrator and name the file as c:\Windows\System32\drivers\etc\hosts, I am able to modify ...
Ommm's user avatar
  • 51
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1 answer
321 views

Grep doesn't return any value in the search

I am looking for a specific value while searching a text file, but with grep I am unable to pull that value. with -head 50, I can see the first 50 lines. with cat and filename, I see the output as ...
ksv001's user avatar
  • 13
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0 answers
292 views

Editing hosts file to block sites isn't working for 4chan, how do I fix it?

I have blocked quite a few sites by editing the hosts file but have just discovered that this method doesn't seem to be working for 4chan. The method I'm using is sudo -i gedit /etc/hosts and then of ...
firgnaw's user avatar
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0 answers
517 views

Multiple hosts name possible on samba server side?

I want to use 2 hostnames to access my samba server. such as like this... I mean, On my local network, I want to access the same server (everything is similar) but with 2 different names on network. ...
armacomputer's user avatar
1 vote
0 answers
379 views

How to Set mac address as host name and hosts 127.0.1.1

I'm using Ubuntu for my OS and I'm struggling to set my host name and hosts to a mac address automatically any help on this would be great. NAME=$GATEWAY_MAC| sed s/://g hostnamectl set-hostname $NAME ...
Kasey champion's user avatar
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1 answer
62 views

How to prevent my computer from connecting to a specific site [duplicate]

I recently decided to make the switch to Ubuntu. And I had a question pertaining to site connections. Before beginning, I need to give some context. I am/was addicted to youtube. I think at my peak in ...
GoodSalt's user avatar
2 votes
1 answer
2k views

`sudo visudo /etc/hosts` gives syntax errors

Really dumb question, Ubuntu 20, and I have apache2 installed, not much else. I go sudo visudo /etc/hosts and want to add an alias "dummy.com" domain alias as a hack to point to the server ...
Conrad B's user avatar
  • 167
1 vote
1 answer
110 views

"mate-network-properties" won't honor ignored-hosts address

I want to block a social media address. When I block it via echo "127.0.0.1 facebook.com" | sudo tee -a /etc/hosts > /dev/null works. But when I use mate-network-properties gui and ...
kenn's user avatar
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0 votes
1 answer
199 views

Host name access not working

Ubuntu Server 20.04.3 LTS Linux 5.4.0-88-generic Hostname : plexserv All was working fine, Plex and Samba set up, could access files on the server from Windows and MacOS machine no problem. Then I ran ...
exharris's user avatar
  • 163
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1 answer
994 views

how to activate a new /etc/hosts instantly

I'm using a terminal command to replace the /etc/hosts - file. alias nonews="sudo -S chattr -i /etc/hosts < /etc/password_file && sudo -S cp /etc/hosts_all_blocked /etc/hosts < /etc/...
Thomas R's user avatar
  • 221
1 vote
1 answer
1k views

Adding block list to hosts file

Ubuntu 21.04. Linux newbie here. For a few months I’ve been thinking about setting up a pi-hole to block ads. But a few days ago I read about just adding a block list to the hosts file. I wasn’t aware ...
Advait's user avatar
  • 515
-1 votes
1 answer
7k views

How do I edit hosts files? Lubuntu 20.04

Normally I get a access denied even after I change it's permission to 777. I see many solutions Use gedit, dunno how to get use or find whatever that is. Other solutions use the terminal sudo -i gedit ...
Eric Huelin's user avatar
-1 votes
1 answer
2k views

hosts: files mdns4_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] dns myhostname

Aloha, i'm on Ubuntu 18.04 and i recently executed a deadly git clean command that was meant to clean the Hard Drive Cache and that whipped out nearly every thing on my hard disc. Now i can't license ...
Blad Abir's user avatar
0 votes
1 answer
2k views

Two VirtualHost websites do not work together under Apache 2.4

I'm running Apache 2.4 under Ubuntu 18.04 I'm having this problem where all addresses I type onto the browser bar get redirected to one of the two websites I have configured (in this case, whenever I ...
Felipe's user avatar
  • 479
2 votes
1 answer
2k views

Not Found The requested URL was not found on this server

This is how my virtual hosts the-square.local.conf looks: <VirtualHost *:80> # The ServerName directive sets the request scheme, hostname and port t> # the server uses to identify itself. ...
Marinario Agalliu's user avatar
1 vote
0 answers
702 views

How to resolve captchas whilst blocking google.com on Ubuntu 20.04?

Question How could one solve captchas, such as those shown by zoom when one would like to join a meeting from the browser, whilst blocking access to www.google.com (search queries) on Ubuntu 20.04? ...
a.t.'s user avatar
  • 327
0 votes
1 answer
164 views

Advance working of /etc/hosts file in ubuntu

I have a Java application which is distributed and having a network connection with a NFS share. The application is using DNS to connected to network share. We wanted to test a network connection ...
Dinushka's user avatar
0 votes
2 answers
1k views

Deny smtp connection from unknown and unverified hosts with hosts.deny

I need to reject all smtp connections whose host name is unknown or does not match its address. Have tried setting in hosts.deny: smtpd: UNKNOWN smtpd: PARANOID but Postfix logs show that they are ...
yaugenka's user avatar
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1 vote
0 answers
899 views

Nmap keeping crashing and popping up the "System Program problem detected", should I worry?

$ sudo nmap -vv -P -T1 192.168.0.1/24 Output: >Warning: The -P option is deprecated. Please use -PE >Starting Nmap 7.80 ( https://nmap.org ) at 2021-01-01 18:29 -03 >Initiating ARP Ping Scan ...
user197536's user avatar
1 vote
1 answer
866 views

How to route DNS resolver to a different DNS based on the URL hostname?

This is why I would like to do: Most hostnames -> Resolved by DNS1. Some hostnames -> Resolved by DNS2 (I don't know IP addresses just the hostname). It should look as creating a whitelist/...
denik1981's user avatar
  • 123
1 vote
0 answers
1k views

Blocking hostname and subdomains in hosts file

I have recently started using /etc/hosts to block distracting websites. For specific domains that works nicely, but is there any way to match a domain and all of its subdomains? So, this blocks ...
xeruf's user avatar
  • 431
0 votes
1 answer
2k views

Firefox uses remote name lookup before /etc/hosts

I have added the following line to my /etc/hosts file on Ubuntu: 192.168.0.104 www.tondering.dk www.xzutsfsdet.com 192.168.0.104 is an IP address on my LAN. www.tondering.dk is a server that exists ...
oz1cz's user avatar
  • 912
0 votes
1 answer
77 views

Is it possible to create a rule for etc hosts (Rule: 10.0.0.* ip. Usage: ping ip.10)?

If I have multiple hosts I want to add aliases for, e.g. 10.0.0.10 ip_10 10.0.0.11 ip_11 10.0.0.12 ip_12 Is there a way to have a group these into one line? I tried 10.0.0. ip and then tried to ping ...
CIsForCookies's user avatar
4 votes
1 answer
18k views

How to redirect a URL to another URL using /etc/hosts

I want to block some sites on my ubuntu system.So, I added some lines to the /etc/hosts, which are 127.0.1.1 www.reddit.com 127.0.1.1 www.facebook.com This now successfully blocks the ...
Heisenberg's user avatar
  • 1,626
1 vote
0 answers
106 views

WP Multi-Site Install on Ubuntu 18.04 LAMP Keeps Re-Directing URL

After a few weeks of head banging... I am very near to completing a local development environment for my WP Multi-Site Installation. The final problem that I have (wishful thinking), is that the ...
nightwatch's user avatar
0 votes
1 answer
1k views

/etc/hosts block or redirect domain

I tried blocking domains like this: 127.0.0.1 https://facebook.com 127.0.0.1 https://www.facebook.com But FB open correctly. How can I block or redirect websites on this file?
Konfus2234's user avatar
1 vote
0 answers
20 views

Unable to resolve custom hostnames in /etc/hosts [duplicate]

I'm running Apache/2.4.41 on Ubuntu 20.04. I'm trying to setup a virtual host. Neither Chrome nor Firefox are able to resolve hostnames specified in /etc/hosts file. Even before setting up the test....
Mew's user avatar
  • 11
0 votes
1 answer
1k views

To access another user from a remote desktop while admin is logged in Linux in host machine

Suppose I am logging in as a admin and I want to login as a guest user which is present in the same machine using another remote desktop using any of the services??.I don't want shell using ssh but ...
Georgely joe Santino's user avatar
1 vote
0 answers
94 views

How to get all ip from domain name?

I use getent hosts domainname.com As a result, I get only 10 ip. I know that this domain name has a lot more ip. How to display them all? This is a VPN server. I'm just trying to create allowing ...
Rollo's user avatar
  • 21
0 votes
0 answers
4k views

ssh-copy-id testnode fails with ERROR: ssh: Could not resolve hostname testnode: Temporarily failure in name resolution

I am not able to mention the SSH Generated Key to my test node. This is the output I get whenever I run the command ssh-copy-id: aibak@aibak-Inspiron-3542:/$ ssh-copy-id testnode /usr/bin/ssh-copy-...
uaibak's user avatar
  • 1
1 vote
1 answer
2k views

`hostname` result is different from "/etc/hostname" after upgrade

If I open a terminal windows in my graphical user interface, hostname command result is different from content of /etc/hostname: me@ZyXEL1:~$ hostname ZyXEL1 me@ZyXEL1:~$ cat /etc/hostname N4010 me@...
PHP Learner's user avatar
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1 vote
1 answer
2k views

Adding hosts to hostfile breaks DNS in 18.04 but didn't in 16.04

EDIT I managed to find out what I was missing that made it clear how to fix my problem. Turns out that between 16.04 and 18.04, Ubuntu and derivatives switched from something dnsmasq based to ...
Turnip Wizard's user avatar
4 votes
0 answers
343 views

Hosts file for snap applications

I installed spotify using snap. Now I wanted to change the hosts file to block ads. I used to change the global hosts file and it worked. But then I was installing spotify from the apt repository. I ...
Dines's user avatar
  • 53
2 votes
2 answers
4k views

virtualbox - How to make "localhost" point to the host's "localhost"?

I know I can access the host's localhost using 10.0.2.2. However, what I need is to to be able to type "localhost" in my VirtualBox Edge browser and for it to point to the localhost of my computer. I ...
Maxime Dupré's user avatar
16 votes
2 answers
8k views

/etc/hosts not working

I populated /etc/hosts with device names and IP addresses. For example: chassisOne 10.0.0.1 chassisTwo 10.0.0.2 . . . etcetera. I am able to ping the IP address of both chassisOne and ...
Dale Smith's user avatar
0 votes
1 answer
523 views

Error message while updating

I am using Kubuntu 18.04.2, I opened terminal and entered the following command to update: sudo apt update It produced the following result: [sudo] password for aayush: Hit:1 http://packages....
Aayush Kumar's user avatar
1 vote
1 answer
1k views

Does dnscrypt-proxy's configuration replace /etc/hosts?

I've recenly installed dnscrypt-proxy. The configuration file for it at /etc/dnscrypt-proxy/dnscrypt-proxy.toml has a blacklist section I'm currently using: [blacklist] ## Path to the file of ...
Xosrov's user avatar
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