Questions tagged [user-space]

User-space is defined as the runtime environment of normal, non-kernel processes; these processes are not always started by the user as many user-space processes such as daemons run before the user logs on.

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Long start up for: systemd-backlight@backlight:nvidia_0.service

I am new to Linux (Ubuntu 20.04.4 LTS) and am attempting to decrease my start up time on my Predator laptop. There are a number of different areas I could target to decrease the start-up time, but for ...
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Why my HDD drive space is showing 78% filled as i have formated my HDD 500GB and set it as /home

today i have installed ubuntu 22.04 LTS, before that i was using 20.04LTS. I have 2 drives SSD of 128 GB and HDD of 500 GB. Before installing 22.04 my partition was for SSD /root = 30GB, /boot = 1GB, /...
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Open serial port without root priviledges on Ubuntu (udev rules)

I was following this tutorial to setup access to Flir Boson camera serial port from userspace: https://www.forecr.io/blogs/connectivity/how-to-integrate-flir-boson-thermal-camera-to-nvidia-jetson-...
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How to restrict what a user can install/download in their home directory?

I've had a search but I can't quite find a solution or explanation to this topic. I would appreciate your thoughts and suggestions and I appreciate in advance that this might cover several topics. I'...
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5 votes
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Ubuntu 20.4 .cache tracker is taking my space

I have 200 gb of space in my portion and the .cache tracker meta.db-wal took 140gb of that space and I don’t know how to clear it. I saw that you can disable the tracker but without actually informing ...
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Why does the home folder eats few gigabytes(say 6gb) of its allocated space where that space lies and used for what?

Recently i installed timeshift for backup system recovery....it ate up half of the drive and i decided to uninstall timeshift.... and i decided to clean up the system as well by referring to some ...
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No enough space

My raspberry get full, I tried delete a lot of packages but even though nothing change ,it still full, I tried also to expand file system .... Filesystem Size Used Avail Use% Mounted on /dev/...
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Booting Very slow Ubuntu 18.04

Kidnly help me to resolve the booting issue . Previous OS used to boot below 1 Mins . But now its taking more than 3-4 Mins HDD i5 8th Gen with NVMe Storage root@benn:~# systemd-analyze time Startup ...
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I don't think my /home partition is being used for home

My root partition is running out of space and it doesn't add up as I haven't been installing more than a few hundred MB When I open disk usage analyzer it says home is taking up a lot of space and ...
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df reports several gb delta between total and used, but 0 available space

Filesystem Size Used Avail Use% Mounted on /dev/sdb 246G 234G 0 100% /backup_data on the above fs: as root i can create non-empty files in the above tree, /backup_data. as the ...
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How to find the large directory which is reserving the biggest disk space? [duplicate]

How to find (as grouped) the directory who is taking all the disk spaces? # df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 60G 54G 6.4G 90% / devtmpfs 1.4G 0 ...
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Xubuntu User Space boot takes very long

I found similar topics regarding slow kernel boot but my problem is that my system takes 3 minutes to load the userspace systemd-analyze gives the following output Startup finished in 4.247s (...
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Ubuntu taking about 5 minutes to Boot!

Please suggest if you have some experience with what can I do to decrease boot time. What is the reason for the userspace taking so long? $ sudo systemd-analyze time Startup finished in 3.395s (...
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2 answers
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Bless Error For saving space

Getting a Bless error when I try to modify a file. "There is not enough space on the device to save yfxmsecc.bless". Got a ton of free space. Any ideas what could be causing this?
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16.04 LTS Ubuntu boots slowly after dual boot to Windows

I have had a dual-boot Windows 7 and Ubuntu for a month or so. I have been able to go back and forth with no issues until recently. After booting Windows, I booted Ubuntu and it dropped to a (...
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Appear to have free space but no space left error message

Attempting to load a local docker image : docker load -i 3.tar bc224b1b676d: Loading layer 196.9 MB/196.9 MB 53edc9780c07: Loading layer 209.9 kB/209.9 kB 738d3f35b582: Loading layer 7.168 kB/7.168 ...
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4 votes
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Non-active users and swap

I use ubuntu 14.04 and I have a question about swap utilization with respect to having multiple users logged into xwindows. Specifically I have two users that use this computer and it seems that the ...
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Linux partition scheme [duplicate]

Im NEW to linux . I want to install ubuntu on my laptop , but l'm very confusion about partition scheme , i have searched a lot for this but didn't get any proper , easy and straight forward solution ...
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2 votes
1 answer
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How to increase the allocated disk space for the /home directory?

How can I increment space for /home? My first /boot directory was 5 gigabytes and next I changed to 1 gigabyte. Now I'm confused because the change give me unallocated with size 5.02GiB. How can I add ...
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1 vote
1 answer
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how to add some space for a specific DIR with a USB key

I have a /home/Completed dir. For some reasons, I can not move this directory. Now my system is quite full. So, I would like to grant some space to the /home/Completed directory from a usb key. Is it ...
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Unknow discs and windows space

I've been using ubuntu for a while and today decided to uninstall windows from my notebook so I could use the space it occupied on ubuntu. However, after the removal I found some disks hanging in my ...
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Lost HDD space at home

I have total 365 GB at /home : And 146 Gb is used: So free space must be: 365 - 146 = 219 Gb But it is 17.2 Gb! (See screen2 - it is nautilus directory properties with sudo) 201.8 Gb is "invisible"...
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1 answer
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How can I free space on a Ubuntu Usb drive?

I'm very new in the Ubuntu family (I downloaded Ubuntu 12.04 LTS , just 2 days ago, I must learn Linux for college). Second of all, English is not my native language, but I'll try to be as clear as ...
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Unknown user 119 when I type ps

when I typed ps -aux i recived (...) root 2158 0.3 0.1 43860 6028 ? Sl Jan18 0:36 Passenger spawn server 119 2037 0.0 0.6 59152 26208 ? S ...
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14 votes
1 answer
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How to understand the flow of USB detection?

I would like to understand the flow of the USB events form the Kernel space to the User space (just out of my curiosity, in knowing how things are implemented). To be more clear, I would like to ...
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1 vote
1 answer
309 views

Auto starting a program before any other program and preventing it to run the other programs until a directory is mounted

Well the title says it all, how can I auto-start a program before anything else and prevent any other program from running until a certain directory is mounted? I am building a front-end program for ...
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8 votes
1 answer
27k views

Using 'quota' for disk limits

I installed quota using apt-get and followed some of the tutorials online. I ran sudo edquota username which opened nano and gave a chart for me to edit. What does the chart mean when it says soft, ...
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8 votes
4 answers
4k views

How safe are my files in /home?

This is a community wiki. I would really like other folk's thoughts on this. I do not want to discuss the ethics of storing plain text passwords either. For those unfamiliar, libpurple is the library ...
7 votes
1 answer
169 views

How do we use mounted DVDs with multiple accounts without ejecting the disk?

I'm sharing my PC with my wife and my sister on regular basis. There are several issues when we switch from one user to another, such as the NetworkManager icon being present only on the first account ...
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