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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3
votes
1answer
15 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 ...
0
votes
0answers
23 views

Chromium Renamed [duplicate]

So I got chromium working and everything was fine, but I opened a Google Hangouts, now my Chromium web browser is permanently someone's name when I hover over it. I've tried uninstalling it and ...
1
vote
0answers
24 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 ...
0
votes
0answers
16 views

Prevent page cache above certain RAM usage level

Someone here on AskUbuntu pointed out that disk caching is harmless thing, that only makes your disc read times faster. And that it is birds singing and flowers only. I kinda have to disagree: I ...
0
votes
0answers
89 views

Squid Cache Problems

I'm new to Ubuntu (and Webmin, Squid, etc). I Installed everything and got the squid3 running, but I'm stuck in initialze cache part. When I click on it, the result shows: Error - Perl execution ...
0
votes
0answers
106 views

squid3.3 config directives help in Trusty Tahr 14.04

I have problem with my squid.conf file and I able to make some changes myself but not every change i could have done to make it work properly according my need i have a 10 to 40 client at local ...
3
votes
2answers
166 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 ...
0
votes
0answers
26 views

How to tune HDD read cache? or alternative view on WD Green problem

Setup WD Green HDDs have a feature of parking themselves after 8 sec of inactivity. The timeout can be changed. My portable PC has WD Green HDD as well as another SSD. I have Ubuntu on SSD and use HDD ...
0
votes
1answer
22 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
114 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 ...
0
votes
0answers
63 views

gem5 - Setting up x86 fs & running cache coherency code

I am new to gem5 and am trying to run the MI_example cache coherency protocol test code for x86 system in gem5. I was trying to run the ruby_fs.py script but I came to know it has be eliminated from ...
0
votes
0answers
13 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 ...
1
vote
0answers
222 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?
0
votes
0answers
86 views

Lenovo E540 SSD cache solution

My company gave me a Lenovo E540 that has an integrate 16 Gb SSD cache. I'm wondering how to use the cache with an existing Ubuntu 14.04 LTS installation, I found several posts explaining about ...
1
vote
0answers
33 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
87 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
0answers
26 views

Maintain a local cache for offline browsing

I am building a web kiosk that I want to be available even if internet is lost. The browser is chrome and its based on Ubuntu. Is there a way to do this with a local proxy/cache server running on ...
0
votes
0answers
74 views

My laptop very slow, Is the problem with Hard Disk or RAM ( very low Timing cached reads value)

My laptop has been running very slow, I reinstalled Ubuntu and also tried Windows but didn’t find any difference. I thought this could be a problem with my HD. I tried the below tests with hdparm ...
0
votes
0answers
25 views

APC opcache works but no statistic

I installed APC opcache for my site .I think it work well but did not see any traffic: File Cache Information Cached Files (260.9 MBytes) Hits 1 Misses Request Rate (hits, misses) 0.00 cache ...
0
votes
0answers
89 views

LDAP double root password

I've changed my LDAP root password following a few guides like this one and this one. I'm in Ubuntu 14.04, and in /etc/ldap/slapd.d/cn=config I've created a subdirectory and placed my ldif file in ...
0
votes
1answer
26 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
46 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 ...
0
votes
0answers
28 views

How to run ExpressCaché on 14.04

I've recently bought a notebook (ASUS K551LN), which comes with a 500GB HDD + 24GB SSD (SanDisk). Thing is, that SSD is supposed to be used as a caché. When I first used the computer (that is, W8), ...
1
vote
0answers
136 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, ...
0
votes
1answer
29 views

Installing files from archive cache

How to make a backup of apt archive cache? If I make a backup of the archive cache can I install the applications in the current system to any system, which is running the same OS, using the archive ...
0
votes
0answers
24 views

DNS Cache server on Ubuntu 12.04

I have configured a Caching and Forwarding DNS server on Ubuntu 12.04 and after whole process things were good. The server was working properly. I tested it using dig command. After rebooting the ...
0
votes
0answers
56 views

How can I get the extract here option in Nautilus not to cache the file in .cache?

I'm trying to extract a large file in Nautilus, to another partition. I don't have enough memory on my /home directory to store the files. When I click "extract here" in Nautilus, it fails because it ...
0
votes
0answers
18 views

burst internal write-back vs asynchronous internal write-back

What is the difference between burst internal write-back & asynchronous internal write-back?
1
vote
1answer
146 views

Deleted /var/cache

My computer was slowing down, and I saw that deleting /var/log and /var/cache could help, so I did it... I didn't know /var/cache was so important, I tought it would just rebuild itself and deleting ...
0
votes
0answers
14 views

Is there a filesystem with caching and location-awareness?

Is there a way to setup a filesystem spread on 2 machines A and B in the following way? A and B are not on the same local network. Connecting to any machine shows the same files Writes to any ...
0
votes
0answers
58 views

How to find and report memory leak

When I use any graphics or diagram editing software like Gimp or Dia (and I have tried a couple more) I suddenly find the cache sucking up all my free RAM and cache which slows the system down to a ...
0
votes
0answers
22 views

Looking for a tiered cache solution for data logger

I have a Ubuntu14.04 serving as a traffic logger. Currently, the data are being written to a Ramdisk, and then later synced to a hardware storage. I'm curious if there's a software solution that will ...
0
votes
0answers
182 views

Already downloaded files are not cached by trafficserver 5.x (caching forward proxy)?

I want to setup Apache trafficserver 5.1.0 installed from source on Ubuntu 14.04 to use a large amount of disk space to preserve large download files as well as web sites (in order to get started I ...
1
vote
0answers
338 views

Why does Firefox ignore the `304 Not Modified` status sent by the webserver?

For my site, Firefox 32.0 seems not to cache a CSS file of my Nikola 7.1.0 installation and ignores the 304 Not Modified response by the webserver. What also puzzles me, is that it sends the 2nd ...
0
votes
0answers
22 views

Difference between System monitor and free -h [duplicate]

I have a Lenovo T430 laptop with 3.7GB of RAM. Since I started using this machine I observe the following strange behavior. If I do a lot of things, say have rails server running, a few nodejs ...
0
votes
0answers
25 views

Can't put content in fastcgi_cache dir

I set up nginx to use the fastcgi_cache parameter. I also set fastcgi_cache_path. And everything works fine. What I tried to do is to manually add a CACHEDIR.TAG file in the fastcgi_cache_path dir in ...
0
votes
0answers
21 views

How often is the thumbnail cache cleared? [duplicate]

I'm not sure which application is the culprit (Nautilus, with the help of another library, I would assume), but if you take a look at ~/.cache/thumbnails you will notice that Ubuntu stores the ...
1
vote
1answer
42 views

Does Ubuntu delete cache-thumbnails after leaving the guest mode?

When i leave the guestmode, are there still some cache files?
0
votes
1answer
260 views

How to copy all “apt-get update” cache

How can I copy all apt-get update cache to another computer, so that it doesn't need be updated again and again after new installation?
0
votes
0answers
50 views

Clear history of words typed in the dialog run (ALT + F2)? [duplicate]

wanted to erase all the words that remain as an option, every time tightening ALT + F2
0
votes
1answer
217 views

There is a file in ~/.cache/deja-dup/.. with 899G size

I am running my mail server on ubuntu which has 1.2 TB in total space. Today I realized there was an issue on my mail server, it was refusing sending/receiving mails due to storage which triggers ...
2
votes
0answers
161 views

huge cached memory, mostly freez system :(

I have a problem with system memory cache, i think it is bigger than normals. after 5-10 minute of usage, system become unusable and i must restart my "Asus X451-CA" laptop. this command ran upon user ...
7
votes
2answers
226 views

Does Ubuntu store data of external media/drives?

I keep confidential data (docs, spreadsheets, images, etc) on USB sticks or discs. I plug/insert them to access the data when I need, and put them back in a drawer when I'm done. Does Ubuntu store ...
0
votes
0answers
26 views

Problem installing packages - Java [duplicate]

I'm having a problem installing Java. It keeps telling me this when it starts to remove outdated cached downloads: Removing outdated cached downloads... sha256sum mismatch jdk-8u5-linux-x64.tar.gz ...
6
votes
1answer
10k views

How do I correctly enable PHP 5.5's OPCache in Ubuntu 14.04?

I'm setting up a local server to test configurations; it's a clean 14.04 LAMP server, as selected during OS install. If I understand correctly, OPCache comes with PHP 5.5 (php -v confirms this) but ...
1
vote
0answers
419 views

Can't configure NGINX to cache the images

I have been trying to cache images that are stored in nginx server, I am quite new here and to nginx I have installed it and configure it with php5-fpm, I have been reading many tutorial regarding ...
3
votes
3answers
2k views

Why does my system use so much cache?

Previously, on my desktop computer running Ubuntu 14.04, I had 4GB RAM, which I thought should be plenty. However, after being on for a while, my computer would seem to get slow. I have a system ...
1
vote
1answer
45 views

More about JuJu cache

I would like to know more about JuJu cache. After I start a charm and JuJu provisions a machine for the first time, the charm will be downloaded and all dependencies installed (apt-get, etc). This ...
1
vote
2answers
882 views

Why won't Ubuntu tweak delete my Thumbnail Cache?

In Ubuntu tweak 0.8.7 which is installed in my Ubuntu 14.04 LTS running unity I could not delete a particular file called 'fail' in the thumbnail cache. I am actually trying to remove that file with ...
0
votes
2answers
34 views

How to update a machine from packages downloaded on a different but similarly configured machine?

I have two laptops with similar configuration. I have updated one and would like to use the cached packages of this to update the other one. I cannot find a way. I did Ctrl+A then Enter but machine ...