Questions tagged [stability]

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24 views

Getting a rolling release just right and then freezing it: a good idea?

I really like how rolling releases offer the latest versions of everything, because sometimes that is important. However, once I have things working well, I am not that anxious to keep updating to the ...
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1answer
316 views

apt: What's the difference between “apt install php” and “apt install php-defaults”?

What's the difference between apt install php and apt install php-defaults? In a first glimpse I would theorize that php should include everything default for a (latest) php program. I ask this as a ...
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1answer
34 views

control-flowed variable in Bash

The web-application document-root for Debian-Apache is typically /var/www/html/ but for Arch-Apache it's typically /srv/http/. I wrote a distro-agnostic LAMP-establishment script and I need it to ...
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1answer
120 views

Using cron.d in Arch

Till now I organized my non-crontab cron-jobs by cron.d in Debian-LAMP environment. My cron-jobs use me to upgrade CMSs containing my web applications. Here's how I do it from the beginning: #!/bin/...
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2answers
422 views

Apache/Nginx document root environment-variable

Apache/Nginx "default" document root path is usally /var/www/html but theoretically this could change tomorrow. Having a distro-default and communally-maintained environment variable for it (instead ...
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1answer
26 views

How to print the version of a specific MediaWiki installation to terminal

I have a LAMP environment with /var/www/html/x which is a MediaWiki website. I have a few more MediaWiki websites but I'd like to print the version of the x one to terminal. I need to do so I could ...
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4answers
995 views

Is there a distro-agnostic configuration management software?

I don't want to label myself to specific configuration-manager modules like Ansible's apt module or yum module. Is there a distro-agnostic configuration management software, or at least one with ...
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1answer
207 views

MediaWiki automatic upgrades

I use latest MediaWiki (either on Arch Linux or Debian stable) in a personal project - I'm the only one who works on it, and I use MediaWiki in a core-only way (I don't install any extensions ...
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2answers
237 views

Output colored text in all major distros without using non-word color codes (like \033[0;31m)

I found these ways, for example, to output colored text in a simple way to the screen: RED="\033[0;31m" # Red color (via ANSI escape code); NC='\033[0m' # No color (via ANSI escape code); echo -e "${...
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1answer
34 views

Do rolling release distros like Arch Linux include kernel upgrades as part of their rolling upgrades?

Do fully rolling_release distros like ArchLinux, openSUSE, Alpine and so forth include kernel-upgrades as part of their rolling upgrades? Or kernel upgrades are a separate issue even within the ...
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2answers
53 views

Can kernel upgrades be done with configuration management (CM) tools for above-OS software?

I use various Linux Distros, mostly Debian-based, usually all default (I change nothing in the kernel/shell or internal-utilities (utilities that come with the distro). I usually install Apache, MySQL ...
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1answer
21 views

What are the basic files (dirs and regular file) in Ansible-Galaxy roles? [closed]

I have an Ansible playbook for establishing LAMP environments on remote machines. Part of this playbook deals with installing Composer: - name: Install Composer get_url: url: https://...
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1answer
249 views

Is it a best practice to use Ansible-Galaxy roles in playbooks instead ansible-modules in playbooks? [closed]

I have an Ansible playbook for establishing LAMP environments on remote machines. Part of this playbook deals with installing Composer: - name: Install Composer get_url: url: https://...
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2answers
142 views

Changing PHP's post_max_size and upload_max_filesize with Ansible

Is there a way to change the two famous PHP variables post_max_size and upload_max_filesize in php.ini in a version-agnostic way with Ansible? I didn't find any literature covering this and it seems ...
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1answer
96 views

Stability of linux [closed]

I have one "theoretical" question regarding the stability of Linux. Is there a way that somebody verifies it? I recently installed Debian 9 (KDE) and given my experience with other distros, I was ...
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1answer
42 views

Restart Apache in a version agnostic way

I use latest Ubuntu 18.04 LAMP but might as well use Debian LAMP or CentOS or something else common. To restart Apache2 I do: systemctl restart apache2 But say "tomorrow" this changes the apache2 ...
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0answers
83 views

How important is os-variant for kvm configuration?

When searching the internet one can always read that specifying os-variant is important so KVM can optimize the guest system. Nowhere did I find an article, manual or documentation stating how ...
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2answers
44 views

What do Linux upgrades provide?

Relatively often there are new kernel upgrades. But every time I install them, I do not see any difference between before and after. What do they exactly provide? How can I feel their presence on me? ...
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1answer
389 views

Should I have intel-microcode installed if my UEFI/BIOS is regularly updated (new machine)?

Hardware: Dell Inspiron 15 Gaming 7577, model number 7577-92774 (new machine). System: I am testing Linux Mint 19 Beta based on Ubuntu 18.04. I have an Intel Kaby Lake CPU: Intel© Core™ i7-7700HQ ...
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4answers
725 views

A utility to email myself if my site is down

I use Ubuntu 16.04 with Nginx and a few WordPress sites. Sometimes I don't visit a site for a long time (>=1 month) and it might be that the site is down. I'm looking for a small utility that will ...
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2answers
39 views

Are there any files created and or broadened by the system besides mail and logs?

Are there any files created and or broadened by the system besides mail and logs? AFAIK, the only files that are created and/or broadened by the system in default are /var/mail/ files and /var/log/ ...
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1answer
97 views

Contiuniosly upgrade everything (including a distro release) in some Debian distro? [closed]

How to continuously upgrade everything (including some Debian distro release) in a distro in a safe way? Why I ask this question I ask this question since I feel like I'm doing something wrong when ...
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2answers
2k views

How unstable is debian sid in practice? [closed]

I've been using debian testing for a while now, but it seems to me that the software there is quite outdated. So far, I never dared installing debian sid on my laptop out of fear that it was totally ...
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1answer
1k views

How dangerous is it not to load `seccomp` rules for LXC containers?

Context In my "quest" to get LXC to run on Raspbian I may be forced to disable loading the seccomp configuration at container startup, by commenting it out in /usr/share/lxc/config/debian.common.conf:...
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2answers
2k views

Why should not I update to most recent kernel immediately after release [closed]

Question intended for system administrators. Consider system running a old but working kernel and all the required functionality is available. (Ubuntu 12.04 LTS specifically with kernel 3.2) Then a ...
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2answers
2k views

Is it safe to set a cron job for apt-get upgrade? [closed]

Is it a good idea to create a cron job for apt-get update; apt-get upgrade for my webserver? So not apt-get dist-upgrade.
2
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1answer
2k views

Does Linux run correctly with SpeedStep on Broadwell?

In this web article "Working Around The Intel Core i7 5775C Broadwell Stability Issue On Linux", the author indicates that he and others have seen stability problems when running Linux on Broadwell-...
2
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1answer
417 views

What does stable mean in the context of Debian stable?

I run Debian stable, but occasionally my entire system freezes up -- the mouse doesn't respond to anything I do, etc. and it usually requires a restart. Another minor issue is that Nautilus' search ...
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4answers
7k views

MCE error: MCA: Internal parity error

I have an unstable machine running Ubuntu 14.04 LTS which passes 9 hours of memtest86. I get these: Hardware event. This is not a software error. MCE 0 CPU 1 BANK 0 TIME 1414735539 Fri Oct 31 17:05:...
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4answers
281 views

Does cron jobs per se represent a significant burden on a modern system?

I'd like to run a pretty simple script (is there a dir with name x in dir y if so move it to dir z–and x will only be there about once a day) every 15 seconds or so (one minute divided into 4*15 ...
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4answers
7k views

Why does my linux keep crashing?

I am running Debian 6.0 Squeeze. Every half hour or so a dialog pops up on the side of my screen with the message - Kernel failure. A report has been sent to the developers to help them fix the ...
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1answer
89 views

What are the ways to improve system stability and prevent data loss in conditions of frequent hard reboots and/or kernel panics?

Suppose we are working in environment where you can't be sure that your computer won't just suddenly shut off. What measures can be taken to improve system's (unix) resist to such failures? And how to ...
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1answer
240 views

For deploying a public-facing webapp, which between Testing and Stable to use some weeks before release?

Which do you recommend? Some POVs to consider: stability available packages life kernels or any other reasons? [note] This question was originally a request for recommendation between Debian 5 "...
2
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1answer
263 views

My Fedora 13 crashes several times a day

Reported bugs through bugzilla, anything else I can do? I'm actually a bit disappointed as a friend of mine is a network admin and he told me they have a linux server that has not been rebooted for a ...
1
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5answers
444 views

Does verifying packages enhance security and/or stability of a system?

RedHat/CentOS and Ubuntu both provide packages to verify the contents of a package. CentOS uses rpm -V. Ubuntu uses debsums. I've spoken to admins who run these tools to verify the packages on their ...