Ubuntu :: Deleting Cached Archives?

May 11, 2010

Would it cause any issues to delete the cached archives from the installed packages? I have almost a gig of space being taken up and would like to get the space back.

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General :: Extracting And Then Deleting Archives?

Apr 23, 2011

I have a large number of zip-archives which I would like to extract and then delete, keeping only the extracted files. The files are located in a number of directories and I issued the following command, hoping that it would solve my problem (which it didn't):

Code:find . -name "*.zip" -execdir unzip '{}' ; -deleteWhat happened was that find continued to extract the files as intended, but then it deletednot only the zip-archives but also the newly extracted files.it only affected a portion of the files that I had already backed up.I don't have enough space on my hard drive to extract all the files without simultaneously removing any data and I don't have the energy to go through all the directories one by one manually. Surely there must be a better way. Is there a way to fix the code snippet above so that it works as I intended or is there a better way of doing this?

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Ubuntu :: Converting RPM Archives Into Deb Archives?

Jan 12, 2010

I've found a website [URL] that I've downloaded Basilisk II [URL] and SheepShaver [URL] from, I converted both inton deb archive using the command sudo alien, but while they both successfully converted and installed, and show up in the Applications menu, only Basilisk II launches. When I click on the SheepShaver icon, nothing happens. I had this problem with another SheepShaver RPM I downloaded elsewhere. I really want to use SheepShaver to run Mac OS 9 on my laptop, is there something I can do to get it to run?

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Ubuntu :: Why Does Swapping Occur While 600MB Cached

Apr 12, 2011

I have heavy swapping going top and free are indicating a lot free memory in cached form.Why does the kernel not use this memory instead of killing my desktop by swapping like crazy.

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Ubuntu :: How To Disable Thumbnails (Cached On Disk)

Jul 23, 2011

Apparently, Ubuntu (and Xubuntu) keep copies of all thumbnails ever loaded, cached in ~/.thumbnails. To me, this is creepy and can be bad from a security standpoint. Is there any way to have all thumbnails loaded on-the-fly, but not to have them ever cached on disk? I tried symlinking ~/.thumbnails to /dev/null, but this disabled thumbnails entirely.

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Ubuntu Networking :: Low Retention Duration For Cached Addresses By DNSMASQ

Nov 12, 2010

I am experiencing severe DNS delays today, so I tried to install DNSMASQ by following the instructions given on several pages on the web to make it function as a local DNS cache.

The installation was successful, and after editing the configuration files as instructed, I now have a working DNS cache on my computer.

However, it seems that the addresses are not cached for a long time ; for a given domain, the speedup lasts for a few minutes. If I try to access a previously visited domain once more after several minutes, a new (slow) external lookup is made.

Since websites' IP addresses are not changed every five minutes, would there be a way to tell DNSMASQ to keep the IPs in the cache for a long time (several hours at least) ?
This is very important for me because the DNS lag that I am experiencing makes external lookups last 10 to 20 seconds.

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Ubuntu :: Offline LDAP Client Cannot Login With Cached Credentials

Mar 17, 2011

I have an LDAP server holding user/pass/group for many users. Due to network issues, the server sometimes is unreachable and clients cannot login, current sessions usually freeze after a while. All client have ubuntu 10.04.2 x64.

I have went through the outdated howto to cache the LDAP credentials.

I setup the required packages
daily cron "nss_updatedb ldap"
and edited '/etc/nsswitch.conf' to have "files ldap [NOTFOUND=return] db" for both passwd and group.


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Debian :: Keep Cached Files Download From Cydia?

Nov 18, 2010

I ask question about my iPhone 3GS here because it run in linux too.I think it's Debian.it if u happen to know the answer. I want to keep cache downloaded from Cydia for reinstalling later.

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Networking :: Set The TTL To 2 Days For All Stuff Cached By Dnsmasq?

Mar 20, 2011

I have 2 questions:

1. How can I set the TTL to 2 days for all stuff cached by dnsmasq?

2. When I go to [URL] from my browser and then execute [URL] the query time returned is > 0 ms. When i execute it again it is 0 as it should be. So is dnsmasq not caching the domains looked up by my browser or what? in /etc/resolv.conf I have only and for the upstream servers I have a different file that is only used by dnsmasq.

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Ubuntu :: SADMS Active Directory Cached Logins: Samba 3.4.7 / Kubuntu 10.04.1

Oct 13, 2010

I've been banging my head on this for a week... I finally got AD login working, but I can't get cached logins working. I installed SADMS, let it configure everything, and though I can now login, I still cannot login as my AD username when my machine is not connected to the AD network. I need to be able to login at home, connect to the VPN (if I can ever get that working), then sign on to services at work using my AD username.

Also, I cannot login to local accounts when the system is not connected to the AD network. Plus, home drive mapping is not working, our shares are \FILESERVERuseruser[I]username[I] so this does not work. UPDATE: I installed likewise-open, and now I can't login unless I use the full domain name when logging in via ssh, but I cannot login on the desktop, which is not what I want, now my username doesn't match the previous UID mapping, and my home directory is mapped to /home/likewise-open/DOMAIN/user, instead of /home/DOMAIN/user, like it was before.

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OpenSUSE :: Avoid Cairo-dock To Be Cached At Shutdown In Kde?

Feb 3, 2010

I've set cairo-dock to start but also kde somehow caches the desktop state while shutting down. Can I avoid cairo-dock to be cached at shutdown in kde?

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OpenSUSE :: Konqueror: Displaying Cached, Not The Online Version Of Pages?

Mar 20, 2010

I'm using openSUSE 11.2/KDE 4.4 and Konqueror is behaving strangely lately. That is, when I click an entry in RSS Now widget, Konqueror opens, but instead of going to the web, it displays the cached version of the page (i.e. from /var/tmp/kdecache-[username]/krun/...).Initially I thought it is related to the widget (RSS Now), but the same thing happened when Konqueror was called by another program (Google Desktop > preferences): it opened the cached version of the page instead of what I've expected (localhost on some port).As I see these things, it seems there is a setting making Konqueror/KDE to preload some pages (I guess it's related to a KDE service). The problem is it subsequently displays the cache, not the online version.

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General :: 'clear Out' All The Old/cached Crap From RAM/SWAP To Free Up Space?

Jul 21, 2010

Closest analogy I can compare what I want to, is like the `sync` command, which writes out all stuff in the disk buffers, freeing the buffers.Instead of disk buffers, I want to 'clean out' my RAM and SWAP of any/all junk that's accumulated in there over the time my PC has been up. I've long wondered about this, but never asked, though I recall searching around several times..When I first boot it cold and log in, the memory usage bar on my desktop is near zero, and the swap is empty. But after a week or 2 or 3 or more of uptime, and with Firefox always running with a dozen tabs or so at any given time, I end up with all the memory full or 'filled with cached stuff', and the swap space is filled to capacity.Curiousity: I blame Firefox for leaking memory, but even if that's still the case today (historically it was) can this all be blamed on Firefox? Or what-all causes this, besides Firefox- just..Everything?

Here's current stats:


sasha@reactor: uptime
21:21:42 up 30 days, 10:07, 3 users, load average: 0.02, 0.05, 0.01
sasha@reactor: free
total used free shared buffers cached


So, 3.8 of 4 Gib of RAM is occupied, and the 1 Gib swap space is jammed full 100%. This must slow things down to some degree, yes? I mean, the kernel does have to keep track of this, right?Of course closing all the applications doesn't make a difference (not an appreciable one anyhow) and the only way I have found to start fresh is to reboot.

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General :: Find The No Of Files Cached At The Time Of Open & Loading Folder?

Feb 5, 2010

when we do enter on a folder it take some time for loading the folder depending on the no of entries in the folder . If the folder has more entries it take more time to load and if less no of entries then correspondingly less time . the delay in loading the folder varies due to reading of the folder entries in advance . SO what i want to know is that what is the MAX no of entries read in advance while opening a folder in linux and also how can we calculate this

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CentOS 5 :: Yum Hanging - Loading Mirror Speeds From Cached Host Files ?

Mar 1, 2011

So everytime i try and use the "yum" command. for some reason it doesn't go past this point: "loading mirror speeds from cached host files". i cleaned up the cache and rebuilt the OS again, and im still getting this problem. would this be a problem with my internet connection? I'm using CentOS 5.5.

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Ubuntu :: Install Tar.gz Archives On 10.10?

Apr 13, 2011

I have downloaded a petri net tool petrify.tar.gz.Then extracted it using archive manager.But unable to install it.How could I install it?Is there any commands or instructions for installing it?

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Ubuntu :: Cannot Fetch Archives - 404 Not Found

Aug 5, 2010

I cannot download any package from the greek ubuntu server. The same problem has a friend of mine. Is there any problem with these servers? The error is 404, not found, something very important

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Red Hat :: Installation Gives Error Loaded Plugins: Fastestmirror Loading Mirror Speeds From Cached Hostfil

Sep 22, 2010

when i trying to install any thing from yum.it gives following error.

Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile


what can be the problem.I think it is related to proxy but i am unable to resolve.

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Ubuntu Installation :: Lucid - /var/cache/apt/archives ?

May 19, 2010

A few releases ago things used to work this way, but seemingly since Jaunty it no longer does seem to work:

This used to work: I have several Ubuntu machines to upgrade and limited (and highly expensive) bandwidth available. In the past I would upgrade/update one machine and copy the contents of /var/cache/apt/archives to the other machines to be upgraded. When updating/upgrading the distro the packages that already exist in /var/cache/apt/archives would not be downloaded from the Internet while utilising the locally cached .deb files, saving time and bandwidth.

The Problem: I have noticed that since 9.10 (and with 10.04) this no longer appears to work. While the .deb packages may exist in /var/cache/apt/archives, the same packages would be downloaded from the Internet regardless of the same .deb file existing in /var/cache/apt/archives/.

Question: What is wrong and how can I restore the functionality present in copying cached packages from machine to machine in order to save bandwidth?

Why I need this to work: At work (and I have no control over this...) we are limited to a total bandwidth of 3Gb per month for multiple users. Needless to say a single upgrade of a recent Ubuntu distro can decimate a large proportion of our monthly available bandwidth. Upgrading multiple machines is absolutely out of the question if the packages have to be downloaded every time.

An apt-cache server is not an option: The option of a local apt-cache server is not feasible due to the same 3Gb bandwidth constraint. An apt-cache server requires 15Gb storage per version of Ubuntu and the downloading/upgrading of 15Gb worth of packages for that storage is not an option due to the 3Gb limitation.

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Ubuntu :: Need Directiory /var/cache/apt/archives / Can I Delete It?

May 23, 2010

My /var/cache/apt/archives directory has almost 9000 items and is over 12 GB big. All it contains is a bunch of .deb files. Do I need this file or can I delete it to save hard drive space?

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Ubuntu :: Can Delete Packages In /var/cache/apt/archives

Jan 12, 2011

I really want to free up disk spaces in my ubuntu, so i look up disk analyzer then i saw /var/cache/apt/archives take about 1.2GB space from my disk. can i deleted those packages to free up disk spaces? the packages there is a *.deb files, when i click on some them, it open ubuntu software center. an the ubuntu software center describe the newer upgrade is installed.

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Ubuntu :: Script To Extract All Archives Within Several Directories?

Feb 2, 2011

I've never really used command line to do such things but I'd like to learn. So, how do I extract all archives that are spread across several directories in one go?

For instance:



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Ubuntu Installation :: Cannot Connect To Software Archives?

Feb 25, 2011

Receive the following error when trying to install packages using Software Center or Synaptic Manager. Was working fine just until the other day.Failed to fetch 4.5-1_i386.deb Could not connect to my.archive.ubuntu.com:80 ( - connect (111: Connection refused)I'm using Ubuntu 10.10 - the Maverick Meerkat - released in October 2010

I tried the following:
sudo apt-get update
sudo dpkg --configure -a


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General :: How To Tar -zxvf Many Archives At Once

Nov 3, 2010

I want to tar -zxvf several dozen .tar.gz archives. I know how only to tar -zxvf one archive at a time. If possible, I would like to tar -zxvf all the archives in one command so I don't have to type "tar -zxvf [filename]" several dozen times. What's the syntax? I looked at the man tar page, but couldn't find it.

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General :: Create Archives Of A Directory Tree On Ubuntu Box?

Oct 29, 2010

Are there any other archiving tools than tar that preserve Linux file permissions and user/group flags? I want to create archives of a directory tree on my ubuntu box. The directory trees are large, a first run with tar cvpzf archive.tgz /home/foo/bar yielded a 5GB archive. I also want to keep all permissions and other flags and special files.I'm fine with a 5GB archive, however to look inside that archive -- since it is a compressed tar archive -- the whole 5GB have to be decompressed first! (Or so it appears when opening it with the archive viewer -- I'm happy to be corrected.)So I need a way to "backup" a directory (tree) while preserving full filesystem attributes and right and creating an archive with an "index" that hasn't to be decompressed for browsing its contents. An archive is either a single file, or a (small) set of files that carries full and complete information within this file/s. That is, it can live on any filesystem (size permitting), it can be burnt onto a DVD, you can split it (after which the point of this question is really lost - but still), ...

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Ubuntu :: Read All Instaled Packages To The /var/cache/apt/archives?

Jan 26, 2010

I have a wanderfulley working Kubuntu Karmic 9.10 box and love it. now I just did another install of 9.10 on a old box that dosent have eney network card. the old thing is runing prity well but I want it set up like this one that I'm on now SO I thought I'd try aptoncd the trouble is that I have done apt-get clean a few times sence seting this box up so wat's left in /var/cache/apt/archives is a varey incomplete set of packages. I'm trying to find a way to reload the /var/cache/apt/archives with all insaled packages.


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Ubuntu :: Compress Files Or Create Split Archives?

Apr 25, 2010

i have noticed that if right click on many files types for instance iso files i don't have the option to store them in compress files at all i have one iso file now that i want to compress and split to three parts so i could upload it but as i said right click on the file don't helpbecause i don't have the option there so what can i do?

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Ubuntu :: AptOnCD Not Reflecting Packages In /cache/archives/

Jan 9, 2011

I ran into some complications with my ubuntu 10.10 install and couldn't boot into the desktop. I decided to use a live CD to get access to my downloaded cached packages and copied them to my windows partition, now I've re-installed ubuntu and manually restored the apps into the /archives/ directory, I've installed a lot of apps from the directory already but AptOnCD has refused to properly reflect the apps I have there, is there something I'm overlooking?

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General :: Is It Ok To Delete Everything In /var/cache/apt/archives

Aug 4, 2010

There is this directory with a lot of .deb files in it. /var/cache/apt/archives

Can i delete all these files in that directory? is it safe? They are temporary files right?

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Server :: Unable To Fetch Archives / Why Is This?

Aug 3, 2011


Why does it come like this?
Should I do any changes in /etc/apt/source/list?

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