a cache stores temporary data nearby so that it can be retrieved much more quickly than fetching it from the real backing store (disk, network), or recalculating some result all over again

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5
votes
1answer
28 views

How to disable cache in Firefox?

From this answer I learned previously how to disable the Firefox cache completely, however I have found that in the latest version (don't know when this change was made, but I think rather recently) ...
-1
votes
0answers
9 views

cache cluster can we cluster two pcs of 16 bit each and make it more powerful to 32 bit"? [closed]

like as we se cluster to merge to pcs to gain more processing power , my question is "can we cluster two pcs of 16 bit each and make it more powerful to 32 bit"?
0
votes
2answers
31 views

What is the meaning of “/.cache/” in a path or directory?

I was looking for a file "file.odt" so I used the find command: sudo find / -name "file.odt" While my computer came up with several paths to a number of copies of the same file, it also came up ...
0
votes
0answers
20 views

How do I setup multiple memcached instances running on different ports?

I am running Ubuntu 15.10 and already have memcached installed on my system. My current project requirement is to run two instances of memcached on the same server but with different ports. I start ...
1
vote
0answers
14 views

apt-xapian-index, how to limit its disk usage or safely move it away?

My /var/cache/apt-xapian-index has 4.5GB. I like the synaptic search functionality a lot, but that price is too much for my small SSD... I was thinking what I can do about it, to keep it available ...
1
vote
1answer
7 views

Unable to view search results in the Activities Overview for locations I have previously disabled but now re-enabled in the settings

I just went into Settings > Search > Search Locations, disabled the search results for my home directory and then re-enabled them with the little slider next to the item. However even after ...
0
votes
1answer
18 views

Merge Chromium and Chrome cache dirs

As the title says, is it possible to point both Chrome and Chromium cache directories to the same directory? I mean, is it a simple link between the two directories enough or it will raise problems?
0
votes
0answers
12 views

squid server configuration issue

I installed the squid3 cache server in Ubuntu sucessfully and I configured squid.conffile (http access allow) and made http proxy ip changes in Firefox browser. Whenever I try to access something in ...
0
votes
0answers
19 views

squid cache not working properly

I installed the squid3 cache server in Ubuntu sucessfully and I configured squid.conffile (http access allow) and made http proxy ip changes in Firefox browser. Whenever I try to access something in ...
0
votes
0answers
10 views

squid caching problem

I installed the squid3 cache server in ubuntu sucessfully and i configured squid.conf file ("http access allow") and made http proxy ip changes in firefox browser. When ever i tried to access some ...
0
votes
0answers
7 views

Cache files from a Windows share

Is there a option to cache files from a Windows share? Branch Cache for Linux/Ubuntu? I would think the best option would be in Samba, but I can't find anything. The Windows Sever would be in the ...
0
votes
0answers
26 views

How to fix init system

I would like to know how to fix systemd when it gives me an error at boot time (such as the welcome to emergency mode error). I've had that problem before and I had to reinstall Ubuntu. I heard from ...
0
votes
0answers
25 views

video caching server

I am willing to configure any open access video caching server that will be placed at the main server of an organization and which does not demand client to change network setings(http proxy) in their ...
0
votes
0answers
31 views

Drop cache pages and memory (cleaning the cache) as normal user

Some times I need to clean the system cache by doing the steps below: sync su echo 3 > /proc/sys/vm/drop_caches as you can see, I need root privileges for this purpose. Is there any way to do ...
3
votes
1answer
39 views

View size of CPU cache through the command-line?

How do I view the size of my CPU cache using the command-line? I want to view information on L1, L2 and L3 cache. Also, would it be possible to ouput only information on cache, so that all other ...
1
vote
1answer
201 views

Cannot uninstall php-memcache using terminal

I uninstalled php5 from my computer with command sudo apt-get -y purge php.* running this command will show me this message in terminal: Errors were encountered while processing: php5-memcache ...
4
votes
1answer
103 views

How do I partition my SSD to benefit of the speed?

I've watched a few videos on Youtube and read a little bit on the internet about partitioning. But it is still unclear to me how to partition my 4 drives. Besides a Raspberry Pi and VM I have no Linux ...
0
votes
1answer
35 views

Downloading and playing audio from cache

I was wondering if there was a way to download (only audio) and play a youtube video. How does one read and download from cache using the terminal?
0
votes
1answer
89 views

L3 cache appears as disabled

In my XPS 8700 i7 4790, the comand lshw shows that the 8MB L3 cache is disabled, does this mean that the L3 cache is not working? should I not use ubuntu and go back to windows? does the operating ...
2
votes
2answers
68 views

Prevent Ubuntu RAM increase rapidly?

I have ubuntu server 14.04 installed in my server. And i have vsftpd server that provide download file test for testing purpose. my question is why if client download the ftp file, my server ram is ...
3
votes
1answer
110 views

Disable RAM memory caching for a particular program

I am running few benchmarks test using binaries made out of C. Is there anyway so I can ask kernel not to cache any part of these binary programs?
-1
votes
1answer
31 views

Removal of files in sudo (Terminal) [closed]

Should I remove this file in my terminal for better performance? In a simpler explanation should I run: cd ls rm -r .cache for better performance? My assumption is that it will have to compile ...
0
votes
1answer
65 views

cache request miss graphite sitespeed.io

I want to send data from sitespeed.io to graphite using this command sitespeed.io -u http://www.sitespeed.io --graphiteHost localhost -m 5 --graphiteNamespace sitespeed -b firefox -n 3 I think the ...
0
votes
0answers
47 views

File cache slows down disk IO

I have this config: Linux peti-H97M-D3H 3.13.0-66-generic #108~precise1-Ubuntu SMP Thu Oct 8 10:08:09 UTC 2015 i686 i686 i386 GNU/Linux with 12GB RAM, Sandisk Extreme II SSD and i7-4770K. I must ...
0
votes
3answers
119 views

How to get Windows-like caching behavior for USB external drive

The problem: Thunar claims that it's written my files to a thumb drive, then I spend 15 minutes waiting for the drive to unmount. I understand it has to do with the write cache. I hope there's a way ...
0
votes
1answer
197 views

EnhanceIO persistent udev rules not firing on reboot - Ubuntu 14.04.3

Abstract : I've installed enhanceIO and enhanceio-dkms from the daily PPA at http://ppa.launchpad.net/enhanceio/daily/ubuntu/ giving version 0+git20130406-0~69~ubuntu14.04.1. Everything seems to be ...
1
vote
1answer
83 views

Purpose of '~/.cache' directory and when is it safe to delete? [duplicate]

What is the purpose of every user's ~/.cache directory? Under which circumstances can it be deleted, when should one be careful about its contents?
0
votes
1answer
144 views

SSD-caching vs OS on SSD - which is faster?

I have an Alienware laptop with a 750GB HDD and a 32GB SSD-cache. I currently have a Windows 10 partition that I only use for maintaining the SSD-cache and drivers. The laptop is useless for gaming ...
1
vote
1answer
76 views

Removing app cache

I recently installed cairo-dock, and it was working great, but now it is all buggy, so I tried to reinstall. I did sudo apt-get purge cairo-dock sudo apt-get clean sudo reboot now Then when I came ...
0
votes
0answers
104 views

deleted /var/cache on ubuntu 14.04 and apt-get and other programs crashes on terminal

I have installed Ubuntu alongside windows and have allocated only 10GB for the root. I kept getting messages that there's no space so I found according to the best voted answer in the following that ...
0
votes
0answers
48 views

Ubuntu Clearing Solid State Cache from other OS

I have a dual boot set up on my laptop with Windows 10 and Ubuntu 14.04. My laptop has a 1TB hard drive (with two partitions for the OSes) and a 24 GB SSD for caching. I have the SSD set up to cache ...
4
votes
2answers
621 views

Is it advisable to delete ~/.cache files?

~/.cache/* Is it good to delete all the files in .cache folder?
0
votes
0answers
103 views

Delete RStudio cache in Ubuntu after Upgrade 0.99.467

After I upgrade to the newest version, which I downloaded from the website, RStudio opens with a blank window. This happened to me when I also upgraded it on Windows but I was able to resolve by ...
2
votes
0answers
175 views

Is it possible to use APCu with XAMPP on Ubuntu?

I've spent two days trying to install it with my php5.5.15 on Ubuntu 12.04.4 LTS. Just curious if anyone out there ever got it to work. If so, please help.
1
vote
0answers
70 views

Preloading Files

I want to pre-load some Files / Programs into the memory, ram, cache to open / access them faster. I already tried creating a tmpfs, ramfs System https://wiki.ubuntuusers.de/RAM-Disk_erstellen (Sorry ...
0
votes
0answers
12 views

AptProxyCache Comparison

I have viewed this page about AptProxyCache but seems all are the same, is there any more differences between them such as performance, deploy difficulties and maintain costs? UPDATE: The ...
1
vote
1answer
415 views

How do I clear cache of ubuntu phone?

Hi my ubuntu touch phone (BQ 4.5) is running out of memory. I'm looking for GUI way to make space, most likely by clearing .cache folder. I'm happy to install app, use file manager, simply all ...
3
votes
1answer
37 views

Get firefox cache from localhost page?

So accidentally I deleted the directory of my website with rm -rf. The server is not running, but the page is open on my computer in Firefox. Is there any way to get the javascript files? I'm in ...
1
vote
0answers
60 views

How can I look for a smart radio player that automatically restart when the buffer gets empty?

I am tired to have the streaming broken. I tried rhythmbox, totem, audacious, even vlc where I configured 5 seconds of cache. The sound stops for a while then continue, most of times from the same ...
5
votes
1answer
4k views

Firefox cache2 'doomed' folder

I was recently looking in my Firefox cache as I have made it so that it does not cache: And I found this folder called doomed: ...
3
votes
2answers
5k views

Where is the Mozilla Firefox cache located?

I have got Mozilla Firefox installed, and am aware of the issues with nasty things like phishing scripts from images ending up in my browser's cache. And so that I don't have to just empty my cache ...
1
vote
1answer
33 views

Mutt attachments in cache

I am planning to try out mutt (and if it feels "solid" enough, migrate from Thunderbird) Do I need to use offlineimap or some other solution to save the attachment locally, or does the built-in ...
1
vote
0answers
477 views

Steam client GUI rendering glitch (flickering, weird overlay). Also affects Strife game

I'm running Ubuntu 14.04 on a Macbook 2,1 with 4gb RAM (about 3gb usable). All other games run fine, but the Steam client itself renders all wonky, and Strife has the same problem as Steam. Links ...
1
vote
0answers
24 views

How do I configure the Ubuntu SDK to use a proxy cache?

The Ubuntu SDK sets up emulators for me, which seems to involve a call to click chroot which then runs debootstrap. How do I pass through my proxy server settings through to debootstrap? I want to do ...
2
votes
0answers
467 views

Software Centre is missing icons

I have a problem with Ubuntu Software Centre not showing icons for available apps, e.g: Is there a command to refresh the icon cache for Ubuntu Software Centre?
1
vote
0answers
99 views

Kdecache-user taking up lots of space

My computer has started to show signs of a bloated root partition. I checked it out using ncdu and discovered that the directory at /var/tmp/kdecache-user/ has swelled to 1.6 gigs. After doing a ls ...
0
votes
1answer
364 views

Is it possible to limit cache memory to a process?

I am using network capture tool named dumpcap and it is consuming too much cache memory. So other processes getting no memory to run. htop command shown cache memory as 29 GB in Meters. Can ...
0
votes
1answer
42 views

Location or arp cache

I can see my arp cache if I enter arp into the terminal. I want to know the file location of the arp cache in Ubuntu.
0
votes
1answer
68 views

Simple html cache for Ubuntu Server 14.10

Which is the best system for html cache in Ubuntu Server? I have some sites in hosting on my dedicated server. I installed and set APC, I enable the cache of Apache. The sites are all made in ...
1
vote
0answers
244 views

Java applications do not work in Ubuntu 14.04

I have had working Java environment til Yesterday, I cleared my all files and folders in /tmp/ then restarted my computer after that I can not get any Java applications (Chrome, Firefox, Thunderbird, ...