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Questions tagged [ubuntu-18.04]

Ubuntu 18.04, named "Bionic Beaver" is a Long Term Support release of Ubuntu Linux (released on April 26th, 2018). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

Ubuntu 18.04 - named "Bionic Beaver" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 26th, 2018, it will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, and Ubuntu Core. Only use this tag if your question is version-specific. Note that the Ask Ubuntu site is specifically dedicated to Ubuntu questions.

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PHP can't write to /tmp folder anymore after Apache update

Linux dist: Ubuntu 18.04.5 LTS Server version: Apache/2.4.29 PHP Version: 7.4.20 with PHP-FPM Recently this server did an automatic upgrade of Apache and ever since PHP can't write to /tmp breaking many sites. PHP functions like tmpfile() and…
PHP Guru
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After changing user:group the site shows 503 error and even the ipa.ddr.ess:7080 won't let me in; it says "Invalid credentials."

I accidently used this command in the root directory and now the ipa.ddr.ess:7080 won't let me in; it says "Invalid credentials." the command that I used was chown -R www-data:www-data /. then I realized that it was a mistake then changed most of…
AnupRaj
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PM2 - Process or Namespace not found when deploying with GitLab CI

When deploying from CI, as the user who started PM2, pm2 restart appname always results in [PM2][ERROR] Process or Namespace appname not found whoami/who on deployment shows the correct user. Tried switching users, as well as PM2's…
Klav
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SSL error from AWS server in us-west-1 to eu-west-1

Server's in us-west-1 region while tryin to connect https://elasticloadbalancing.eu-west-1.amazonaws.com/ in eu-west-1 region curl: (35) OpenSSL SSL_connect: SSL_ERROR_SYSCALL. This is happening with all base images of Ubuntu only. If we run this…
Vikash
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Apache causing massive load spike after reboot

My server is running Ubuntu 18.04.5 LTS, with LAMP stack (PHP 7.4), and apache version 2.4.29 using Prefork MPM. My server has 16 CPUs and 29GB of RAM. This server hosts 258 websites. Whenever I reboot my server, I notice (using top command) that…
Alex Douglas
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grub rescue on Ubuntu 18.04 with btrfs partition

I have a small server (HP ProLiant MicroServer Gen8) running Ubuntu 18.04 64 bit with the latest HWE generic kernel (5.4.0.74.83~18.04.67); it has two SATA drives, GPT partitioned but booting in legacy BIOS mode. Both drives are partitioned as…
Matteo Italia
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Postfix can receive, but not send, external mails (unknown user)

My postfix/dovecot configuration, running on Ubuntu 18.04, works perfectly locally. Also, my dovecot can receive mails from outside mails (For example, gauthier@mydomain.com can receive a mail from a gmail address). But when I try to send a mail…
LightGolgot
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Postfix - Connection timed out on port 2525

I am trying to send main with Postfix and Dovecot but I am always getting: May 10 15:13:41 3b15 postfix/smtp[21418]: connect to gmail-smtp-in.l.google.com[64.233.162.27]:25: Connection timed out May 10 15:13:41 3b15 postfix/smtp[21420]: connect to…
Don40
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Ubuntu Server 18.04 slow performance

I use a server with these hardware: Cpu: AMD Ryzen 9 5950X 16 cores Ram: 128GB DDR4 ECC NVMe SSD HD There I have installed Ubuntu 18.04 LTS with latest kernel. No panels only the following services needed for my php application: Nginx 1.19.10…
G. G.
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Some advanced IPTables routing

I'm trying to route some public and private IP addresses using Ubuntu Server 18.04 using iptables. Please note: I've changed the first bits of my IP Address for privacy, but kept it numerical for readability. I've also enabled all the proper…
Tim Powell
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sbin: root@policykit -1/9 high CPU

The process "sbin: root@policykit -1/9" takes high CPU in our Ubuntu 18.04.4 LTS server. Can anyone help to find what it is? Thank You.screenshot
Support
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add-apt-repository fails due to gpg key timeout

I am running a Mail-in-a-Box server on Ubuntu 18.04. As part of the setup/update script, it attempts to execute the command add-apt-repository -y ppa:certbot/certbot. This fails with the following error message: FAILED: add-apt-repository -y…
Sebastian Hietsch
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ping not working on some domains

I'm trying to get my head around an issue I'm facing. I can ping most sites: ping -v google.com ping: socket: Permission denied, attempting raw socket... ping: socket: Permission denied, attempting raw socket... PING…
Andrew Newby
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iptables : ! not allowed with multiple source

When I run this command : sudo iptables -I FORWARD '!' -s x.x.x.x,y.y.y.y -d 172.18.0.3 -p tcp --dport 9114 -j DROP I get the error : iptables v1.6.1: ! not allowed with multiple source or destination IP addresses Any ideas what is the correct…
Alireza Azad
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sa-compile update error with rule compilation

I have an install of Ubuntu 18.04.5 and I'm trying to update the sa-compile (version 3.4.2) package because I have a file server set up on it which uses spamassassin (version 3.4.2). Every time I try to proceed with the update, though, it gives the…
Ertain
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