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1500 questions
376
votes
11 answers
372
votes
9 answers
How do I install a root certificate?
Can anyone point me to a good tutorial on installing a root certificate on Ubuntu?
I've been provided with a .crt file. I gather that need to create a directory at /usr/share/ca-certificates/newdomain.org and place the .crt in that directory.…
Sparky1
- 12,469
372
votes
14 answers
How to easily resize images via command-line?
I would like to know how to resize images in Ubuntu. What is the easiest tool to do so?
myusuf3
- 34,189
370
votes
9 answers
How to clear bash history completely?
I want to clear all previous commands from the history of my server. I used history -c and it seems all things are cleared but when I ssh to the server, all the commands are still there.
How can I clear them permanently?
hd.
- 3,867
- 5
- 19
- 10
368
votes
10 answers
How can I resize an ext root partition at runtime?
How can I increase the size of the root partition of a system at runtime?
I have a partition that is not allocated after the root partition (which is also ext4), how can I add that unallocated space to the space allocated to the root partition…
BonboBingo
- 3,782
367
votes
10 answers
How to prevent "Write Failed: broken pipe" on SSH connection?
What can I do to configure SSH on both client and servers to prevent Write Failed: broken pipe errors? It often occurs if you sleep your client computer and resume later.
sorin
- 9,888
366
votes
5 answers
How can I empty the trash using terminal?
I am not able to find trash anywhere. Can you please tell me a command or anything like that to empty the trash using terminal ?
hellodear
- 4,673
365
votes
7 answers
Is there a program like Microsoft Paint?
I'm slowly getting used to Ubuntu; for I've been a Windows user as long as I've used any computer. I'm hoping someone can suggest a good graphics software.
I'm simply looking for one that works close to Microsoft Paint. (Paint brush functionality,…
James Litewski
- 6,239
364
votes
7 answers
How do I find out my motherboard model?
Is there a way to find what motherboard model I have?
If yes, how, please?
Ederico
- 6,097
362
votes
6 answers
How do I make rsync delete files that have been deleted from the source folder?
I recently set up a machine with Ubuntu Server to host game servers. I installed a backup plugin for each game server that creates frequent backups of game world files in a particular folder on the machine. I also established a cron task to…
user254251
- 3,693
- 2
- 13
- 4
361
votes
5 answers
How can I find my User ID (UID) from terminal?
The title says it all. What command I need to run from a terminal to find my user ID (UID)?
a06e
- 13,223
- 26
- 70
- 104
361
votes
9 answers
How to increase swap space?
I have, by default, 250MB of swap space in Ubuntu, and I want to expand it to a larger size. I need 800MB, which I think will be enough to open several applications without having to hit the current limit of swap. I hope someone can help me.
Bruno
- 3,797
- 3
- 15
- 13
361
votes
6 answers
Getting "System program problem detected" pops up regularly after upgrade
This started to happen immediately after I had rebooted the first time after doing a system upgrade. It first starts with a dialogue that says "System program problem detected". Then when I try to hit 'report problem' not much happens. I am led…
grrrbytes
- 3,733
359
votes
15 answers
How do I increase the hard disk size of the virtual machine?
I have run out of space on my WinXP virtual machine, which I only gave 10 GB space for when I created it. Is there an easy way to increase it to, say, 20 GB? I can't see any obvious option in VirtualBox settings.
The suggestion below gives this…
wim
- 12,738
357
votes
7 answers
"Unable to locate package" while trying to install packages with APT
When I try to install any package through the command line, I get an error.
$ sudo apt-get install
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package
Can…
CodeGeeky
- 3,693