Questions tagged [maintenance]
The maintenance tag has no usage guidance.
39
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Using manufacturer SSD tools under MSWin on SSDs used under Unix (Linux/OS X)?
The manufacturers of the SSDs I currently use all have their own tools for lowlevel maintenance, which usually also work only on internal drives (i.e. no USB-attached externals). Too bad apparently ...
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1
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214
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RHEL 8 hangs on boot missing disk in fstab
my /etc/fstab
UUID=12345abcdef /data xfs defaults 0 0
I thought the 0 0 part, one of those, meant skip disk checking so during boot if the disk wasn't there the OS would be ok with it and ...
- 6,142
1
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1
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281
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Are really all these flatpaks unused (except Nvidia latest runtime and a few others)?
Somewhere I found this command for a flatpak maintenance:
flatpak uninstall --unused
I did have no free time at that point, so I saved it for later use. Now, when I execute it, I get:
$ flatpak ...
- 28.3k
2
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1
answer
164
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Halt purpose: What does "you can perform low level maintenance" mean?
About halt in Linux in these places:
What is the difference between the shutdown, halt and reboot commands?
Understanding Shutdown, Poweroff, Halt and Reboot Commands in Linux
What is halt command in ...
- 1,580
3
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1
answer
2k
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What causes wtmp to be cleared?
I noticed that on one of my machines the last command returned nothing. I determined the cause of this to be an empty /var/log/wtmp file. What would cause this to be empty? I assume the "tmp"...
- 509
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1
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7k
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Linux: How to Completely Remove ALL Traces of a Program? [closed]
Is there a way to completely remove ALL traces of a program in Linux?
I've researched a lot on this, and I've seen people talk about apt-get remove packagename, apt-get purge packagename, apt-get ...
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196
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Script that groups backups by date then deletes files+folders older than X days
We have 30 days of backups = 30 folders, the backup runs hourly so in each of these folders, there are 24 files in each folder. We need to run a script that keeps the five latest dates of files.
For ...
-2
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8
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2k
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Is there such a thing as a self-maintaining Linux which doesn't cost money? [closed]
I'm looking for a self-maintaining, non-payware Linux. Actually, it doesn't necessarily need to be Linux at all, as long as it runs PostgreSQL and PHP in a stable manner.
Once installed, and ...
- 53
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1
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120
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Starting RAID array manually
Is there any way to start a RAID array manually without rebooting after stopping it via mdadm -S?
- 1,070
3
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1
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4k
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List all keys with SHA-1 in the gpg keyring
After reading a paper about "First Chosen-Prefix Collision on SHA-1 and Application to the PGP Web of Trust", I wonder how many SHA-1 keys are left in specific key rings.
How to list all keys in a ...
- 4,008
4
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1
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1k
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How to become a Linux source code maintainer?
According to this link, when changes to the Linux source code are submitted, they are reviewed by a hierarchy of maintainers, eventually concluding with Linus himself. How does one become such a ...
user372803
2
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1
answer
1k
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SysRq doesn't display any result on terminal
I use Mint 19.2, and I try to see CPU backtrace by the following process.
$ sudo -s
# sysctl -w kernel.sysrq=1
# echo l > /proc/sysrq-trigger
But, nothing happened. I researched more ...
- 65
1
vote
1
answer
171
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Starting batch jobs at exact time slightly before the new hour starts
I've been reading the recent blogpost "Winding down my Debian involvement" by Michael Stapelberg.
Sad details aside, it's been mentioned that within Debian infrastructure batch jobs run four times a ...
- 305
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1
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555
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How to monitor cron maintenance scripts?
My home server runs a couple of shell scripts regularly for maintenance tasks - mostly backup, but also other stuff. I would like to be alerted in case anything fails but also keep a log of when it ...
- 123
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1
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492
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Utility for inspecting pending updates in Arch
Is there a utility for Arch that provides some power-features for analyzing the list of pending updates?
Usually, anytime I do pacman -Syu I get a rather large list of packages with pending updates. ...
- 895
1
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1
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1k
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Best Practice: How to maintain/rotate log files (from redirected output)
I read several question for the mentioned topic, but I'm not sure if they really answer the question for my problem.
I have an application running and I redirect the output to a log file, i.e.,
...
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54
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1
answer
84k
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Systemctl remove unit from failed list
How can I remove a unit from the systemctl --failed list without rebooting the machine?
Background:
I have, amongst others, the following entry in the list:
● [email protected] loaded ...
- 1,359
1
vote
2
answers
2k
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How to identify and remove orphaned config files of uninstalled Software?
Programs often store config files in the home directory usually in a hidden directory, often but not limited to sub-directories of ~/.config, ~/.local or ~/.gnome
After uninstalling the programs, the ...
- 111
3
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1
answer
6k
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How to recompile everything efficiently on a Gentoo Linux system?
After the upgrade from gcc-5.x to gcc-6.4 all Gentoo Linux users were advised to run
emerge -e @world
which will recompile all packages on a system and takes on my i7 with 16 GB around 30 h in ...
- 4,008
0
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2
answers
2k
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Installing a package and its dependencies on an offline laptop
On an off-line linux mint laptop, let's say I want to install PCL. I only can transfer files by USB.
After reading documentation on installation it looks like installing compiling the code myself ...
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1
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1
answer
457
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SSD: trim on different filesystems
Some days ago I've bought an SSD: Samsung 850 EVO 250 GB; on this drive I made two 125 GB partitions: on the first partition I installed Windows 7 on NTFS; on the second partition I installed Haiku (...
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1
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570
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List all packages on a Gentoo system, which were not recompiled since a date
A system change (like gcc, perl, python, qt... update) can demand that many packages have to be rebuilt.
This ends often in a world rebuild with
# emerge --ask --emptytree --verbose @system
# ...
- 4,008
1
vote
1
answer
3k
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Solaris 11 in Maintenence mode: nfs mount: : RPC: Rpcbind failure - RPC: Unable to receive
There is an issue with Solaris 11 machine and it boots automatically to the single user mode.We can see the error message "nfs mount: : RPC: Rpcbind failure - RPC: Unable to receive". The machine is a ...
- 11
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vote
0
answers
46
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Unable to update CentOS6.6 due to 404
For a long while I've had a scheduled call of 'yum upgrade' to keep my VPS healthy. Recently the update fails because no repositories can be found from the various mirrors.
http://mirrorlist.centos....
- 11
6
votes
1
answer
383
views
Remove unnecessary configuration folders
Many applications create a hidden folder in /home/user. I've tested many applications that I later uninstalled.
Is there a way to check which folders have been left behind in my home folder by ...
- 1,306
2
votes
1
answer
1k
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What's the Fedora equivalent of /var/lib/dpkg/info/[...].prerm?
Example file:
/var/lib/dpkg/info/util-linux.prerm
What's the Fedora equivalent of this file? (Not limited to util-linux - generic question for any package.)
Use case: A prerm script is failing. For ...
- 1,826
0
votes
2
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147
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Compare Linux configuration with default
My system fails to upgrade. I suspect it was breached. Is there a way to compare system configuration to default version that should be at this date and kernel version?
My current system is Debian, ...
- 2,584
135
votes
3
answers
66k
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How to renew an expired keypair with gpg
What is the best way to renew a gpg key pair when it got expired and what is the reason for the method?
The key pair is already signed by many users and available on public servers.
Should the new ...
- 4,008
10
votes
7
answers
3k
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How to tidy up the .keywords file on a gentoo system?
One can select testing packages on a gentoo stable system by adding a line with the following syntax to keywords list:
cat /etc/portage/package.keywords
=dev-python/ipython-0.13.2 ~amd64
# and many ...
- 4,008
1
vote
1
answer
2k
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Debian can't reboot and asking for root password (maintenance)
I'm experienced some file system errors on Debian (seems caused by RAID controller). Files system now seems fixed. I reinstalled broken packages with some broken config files. System boots normally. ...
- 1,635
34
votes
4
answers
20k
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What doesn't need defragmentation? Linux or the ext2 ext3 FS?
Why don't you have to defrag a Linux system? Because it's using the ext2/ext3 file system, or because it's Linux?
That's relevant, for I have a double boot system (W7 / Ubuntu) and a common ...
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1
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10k
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Linux tool to track directory space over time
Are there any common Linux tools that track disk space over time, not just a filesystem overall, but for example, so I could easily see which directory trees swelled up and shrunk historically? The ...
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3
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2
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1k
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Small company Linux server maintenance update practices
What is a secure update plan for web-facing servers when the person tasked with administration cannot allocate significant time to testing each updated package for breakage? Of course I want to update ...
- 15.7k
2
votes
2
answers
799
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Should I clean up the home directory prior installing a new distribution?
I'm used to keep all my files in my /home directory after whiping out my root / device and reinstalling distributions.
This is pretty handy as all private files and personal settings are kept after ...
- 2,318
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Intruder nature detection by opensource tools like tripwire
I want to use different kind of intrusion detection tools like OpenSource Tripwire. Please suggest me some tools which can provide me some additional information to that provided by tripwire?
Secondly,...
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votes
1
answer
871
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Script for courier maildir folders on CentOS LAMP environment
I'm looking for resources to help me build a script to do monthly maintenance of maildir folders for a typical CentOS LAMP VPS hosting environment.
I would like to run a script that runs from a ...
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4
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1
answer
77
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Can servers be synchronised to share the same configurations? [duplicate]
I have three VPS' running on separate hosts. They've had CentOS 5 installed on them at various points and I assume all run with slight variations of Webmin, PHP, MySQL etc.
I've started to notice ...
- 205
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3
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602
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Script or tool for maintenance (archive/remove old files, clean temporal files, etc…) on Unix/Linux
Everybody have the same problem: how to deal with old files, logs, temporal files to archive them (compress, store in alternate locations), delete unneeded, etc. them
Specially if you have to deal ...
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8
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1
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5k
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How to find out what turned off the computer?
Yesterday, after getting back home I found out my computer is turned off. Since it appeared it was cold shutdown (a lot of disk repairs were shown during boot up) I am wondering what was the cause. ...
- 6,106