Debian Multimedia :: Secure Desktops And Upgrades ?
Jun 14, 2011
I've been deploying a lot of Debian based OSs for the desktops. I recommend the users to upgrade after every 2 months; however as we all know upgrades have their own flaws and issues, many times an upgrade does cause a lot of problems.
I'm deploying the testing branch of Debian, reason being hardware compatibility issues with older kernel and drivers. My main concern is security, I don't want the users to have big security venerabilities over time which's a consequence of not upgrading, but upgrading too may break the system (partially maybe...).
I know there's an option to only do security upgrades, but this will require a repository refresh... the consequence of not upgrading after a repository update is that if you install software using software center.. or even using aptitude or apt, it's bound to give a lot of dependency issues which users wont like.
This's the second question -- installing new packages with an updated repository and an older system gives issues.
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Feb 28, 2011
Alright, my boss has discovered an odd issue with KDE4.4 on his laptop. He downloaded a Superman wallpaper for desktop 3 (he has four desktops) using the "Get new wallpapers" functionality, and he downloaded one to his Pictures directory inside his home directory and set it as the background for desktop 1. Now if he logs off and back on, everything is fine, but if he reboots both wallpapers are lost. If he goes into the desktop settings, the wallpapers are there and selected, but they won't show up unless he clicks OK again
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Mar 11, 2015
This just started happening and defeats the purpose of having multiple desktops. Both the floating icon and chat windows are displayed across all desktops. I can't tell if this is intentional or not..Or maybe there is something in gnome-shell that can remedy this?
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Apr 25, 2016
I recently installed Debian 8 (Jessie) with the default desktop environment (Gnome), and I use a dual monitor setup. Everything works absolutely fine beyond the fact that when I switch between desktops in the dash (Activities menu?), only the windows on my primary monitor switch, and the ones on my secondary stay the same.
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Feb 4, 2010
i wanted to add two more virtual screens if it is possible so i would have four? What are the disadvantages for that? why doesn't it already come with four?
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Aug 14, 2010
I am running Ubuntu 10.04, my video card is an ATI Radeon HD3200. When I hook up my tv to my laptop via an HDMI cable, I am having an issue in the multiple desktop configuration. The audio and video work great in both the cloned desktop mode, and the multiple desktop mode (the extended displays cuts my laptop image in half though). However, when I am using multi-desktop, if I mouse over (or drag a window) from display one to display two, I can not bring my mouse back into the first display (it doesn't matter which display is which, tv or laptop)
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Nov 11, 2015
I have upgraded the packages on wheezy and I see lots of errors
Code: Select allaptitude update aptitude upgrade.
I see Code: Select allErrors were encountered while processing:
mysql-server-5.5
ntp
rsyslog
apache2.2-common
apache2-mpm-prefork
apache2
bind9
corosync
[code]...
Still I am not able to install the dependencies.
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Jul 16, 2011
After an error occurred i can log in using the recovery console and startx manually.
If i understood correctly recovery mode uses /etc/rcS.d which starts the computer with minimal services and the normal startup is /etc/rc2.d. What can rc3, rc4 and rc5 be used for? Can anyone run different desktops (gnome, xfce, etc) using these runlevels (i am considering that the base system install is the same for all desktops)? Where i can find information about the services that are listed in the rc folders, since some (hibernate, bluetooth, apache2) are not useful to me at the moment.
I am also interested to find out what makes the computer start at it's default runlevel. Is there a way to start rc2 (or rc3, etc) from the recovery mode? When i used to start my computer, it would load into grub, and then it used to get me to the login screen. This is something i would like to avoid (the login screen), and start at the command prompt. My startups are minimal since the computer is always on. I was thinking of 'copying' rcS into rc2 for a normal console start and then start rc3 or rc4 or rc5 to load a desktop.
I am using Squeeze, Gnome, default installation.
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Apr 2, 2010
I have not seen any activity for updates and upgrades to Sid for several days..
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Jan 5, 2010
Back when I was using Sarge, my machine could shut itself off when I halted it. However, I think due to some alleged security issues with my hardware, newer versions of Debian don't allow this. So, I have to manually shut it off after halting the computer. My computer is a Dell Optiplex GX1 PIII450 with 386 MB RAM.
Also, it has a 6MB mach64 video card (01:00.0 VGA compatible controller: ATI Technologies Inc 3D Rage Pro AGP 1X/2X (rev 5c)), that, back in the Sarge days, I could enable direct rendering with mach64-20060403-linux.i386 DRI. This no longer works given the changes in Debian. So, no planetpenguin-racer for me any longer.
Besides buying new hardware, is there a way to fix either (or both) of these issues? They both were fine in previous incarnations of Debian, but alas, are now casualties of the upgrades.
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Dec 17, 2010
I am trying to setup Dual monitors with individual (non-mirrored) desktops. AMDCCCLE will only identify the monitor I want to use as primary as number 2 and the monitor I want to use as secondary as number 1 - I have tasksbars, awm, desktop items configured to use the first screen and the second screen is clear for media use. The choice seems to be determined by what output port on my graphic card.. whatever monitor is attached to the HDMI port is called 1. xrandr can only identify the 2nd monitor - the first monitor is unknown I've attached my xorg.conf
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Jan 28, 2010
This n00b is having a weird situation during dist-upgrades that I've never seen before. It's puzzling my more-experienced pals in an irc channel, too.
Sometimes--not every time--while running a dist-upgrade outside of X on my Debian Testing machines, I get an informational text display (a comment box?) that always ends with the text "(END)". The display freezes there, and I am given no opportunity to respond and let the upgrade procedure continue.[URL]..
I've tried pressing escape, the space bar, enter, arrow-keys... nothing changes (I get system beeps with each keystroke). If I Cmd+C, I get a root prompt back, but any characters I type are not displayed as I type them. For example, I can type # "shutdown -r now", and the machine will shutdown --but the characters are not displayed as I type them.
If I immediately restart, go into a regular X session, and run synaptic, I get the same comment--but in a window with a "Close" button that I can click. The upgrade will then continue [URL].. This has happened on at least 3 different boxes, all running debian testing. Under gnome and xfce... Probably with 4 different packages in the last 3 weeks?
This morning it happened on a new debian testing install, and just now it happened -- with the identical package -- on an older debian testing install on a different box.[URl]..
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Jun 12, 2010
I now have 2 desktops running debian. I have virtual servers running in desktop 1, and I am hosting my photos using Gallery2. I have copied Gallery2 and the mysql over to desktop 2. I have entered port forward to desktop 1 using port 80 (using my router), and desktop 2 using port 1000. I can only access Gallery2 in desktop1. If I tried to access Gallery2 in desktop 2, I got re-directed to desktop1.
Questions:
1. Are home routers capable of port forward to more than one computers in a home network behind the firewall of the router? It is Belkin N+ router.
2. Can multiple virtual servers be setup in 2 desktops?
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Jul 19, 2011
I have a ThinkPad W520 with nVidia Quadro 1000M and Nouveau drivers. I use external monitor with extended desktop using XRandR. My beef with this setup is that I get just one virtual desktop of a (1440+1920)x1080 size whereas what I would like to have is being able to have one separate (set of) virtual desktop(s) on my 1440x1080 external monitor with, for example, some reference material open, while have other programs working on another (set of) virtual desktop(s) on my main 1920x1080 screen. I've read that this might be possible with so called zaphod mode, but it looks like it involves static rules in xorg.conf which I would like to avoid since from time to time I need to carry my laptop with me without external monitor.
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Dec 3, 2015
Creating a separate /tmp partition manually during install prevents a clean shutdown.
Setup: Debian 8 minimal server configuration (SSH only) using net install as virtual machine on Windows Server 2012 R2 Hyper-V (Gen 2).
1024 MB RAM, 20 GB VHDX, and 1 Processor, EFI boot
Packages installed: openssh-server, sudo, unattended-upgrades, bsd-mailx postfix
Application: IPv6 gateway using 6in4 tunnel
Symptoms: When shutting down the operating system (poweroff or reboot), the message
A start job is running for Unattended-Upgrades ( xx seconds / no limit ).is displayed on the console and will persist for several minutes before eventually timing out and shutting down.I've tried several different configurations. Any configuration that creates /tmp automatically (whole disk with single partition, or disk with separate /home, /var, and /tmp partitions) works fine and shuts down promptly. When I partition the disk manually (512 MB EFI Boot, 17 GB /, 3 GB /var, 512 MB /tmp, and 512+ swap) the problem occurs. I've narrowed it down to just the /tmp partition by testing and comparing various configurations (including/excluding partitions, placing partitions on a separate disk, changing the partition sizes, matching against automatic configurations, etc.).
I have also compared the /etc/fstab and /etc/default/tmpfs configuration file between working and non-working systems and cannot see any meaningful difference.
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Mar 21, 2011
How does Debian preserve/merge config file information during software upgrades? My google searches left me a little unclear on this point. Also (if you happen to know) does Ubuntu use the same method?
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Jan 21, 2011
According to Distrowatch, the two most downloaded distributions are Mint and Ubuntu. I have put both on my computer. In Mint I can find no way to put multiple virtual desktops in my panel. In Ubuntu 10.10, when I go to synaptic package manager the settings tab with the repositories is dimmed out. I have enabled the sources list in administration but it is a less convenient way to add repositories. Despite what the linux community seems to think, I find that Simply Mepis and Pclinuxos are better for actual use.
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Dec 1, 2010
I'm an Oracle DBA and started working for my current employer about 4 months ago. This past weekend an alert re: FS space brought my attention to /var/spool/clientmqueue (full of mail re: cron jobs) and the fact that sendmail is not running on our Linux servers.I'm told that the IT security team deemed sendmail too vulnerable so we don't run it.Aside from FS filling up and missing notification of issues with crontab entries, I'm concerned that we may be missing notification of potential issues. In other Unix/Linux environments I've seen emails from the print daemon when it experienced problems with specific jobs.
Are there other Linux facilities aside from cron and lpd that use email to advise the users of possible issues? Are there ways to secure sendmail or secure alternatives to sendmail? My primary need/desire is to make sure that emails regarding issues on the server get to the appropriate users. Secondary goal would be to have the ability to use mailx to send mail out. There is No need/desire to receive mail from outside.
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Sep 19, 2010
I was looking at my apt-get keys (with APT Key Manager) and, besides the usual keys:
I have this one: live-helper local packages key, no expiration
I am using Debian Squeeze from an original live-dvd installation; is the last key normal or should I remove it?
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May 7, 2010
I been having trouble using flipshare under winxp in vbox and was wondering if there's a good way to securely share HD videos with friends and family. I've scoured the web a little already, but then thought I'd see what other linux users use.
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Jul 22, 2011
I'm having an issue with video out put "ghosting" onto other desktops when I switch. Or if there is some video playing, it's on top, and nothing else, like menus or file browsers will be displayed over it. For example, watching something in VLC, the menus flick out, it will still select it if I can figure out where it would be, and it flashes whenever a new menu item is selected. This also happens with open shot, and a couple of other programs, like Frets on Fire. I know the flash player is kinda buggy for firefox/chrome but is there another reason for this?
I have a Toshiba A665 laptop, with Ubuntu Studio 11.4. now I'm noticing that it's starting to do it with programs that don't have video- popup menus are starting to flake.
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Nov 20, 2010
I am seeking for a secure and reliable mp3 and video player. For security reason, I'm reticent about Universe repository. Any way to get my MP3 player and my video player to work without having to resort the Universe repository? Preferably can play RMVB files.
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Feb 21, 2011
I want to change my user name, pretty my replace my user name completely so that it is reflected all around the OS. What is the less dangerous and most secure way to do it? I guess I can create a new user copy stuff all over but if there is an easier way I am going to prefer it.
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Feb 13, 2010
Ubuntu is based on debian unstable, but there might be some time lag before security patches get to debian testing --- so is Debian Testing more secure than Ubuntu ?
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Jan 13, 2016
I need to setup a squid 3 proxy with https bumping. Unfortunately I'm not very familiar with squid and https in general.
I already perfomed the following steps:
1.) compile from source
Code: Select all./configure --with-openssl --enable-ssl-crtd
make
make install
2.) configuration (http)
I used this guide: [URL]
3.) configuration (https)
[URL]
The server is now working for http and https, but is the server secure, too? Is the default config already secure or do I need to configure additional security features? (e.g. things like cert validation, cert pinning, [dont know what's importend], ...)
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Jan 29, 2010
I am trying to setup a web-based secure ftp client that can handle not only file transfers to and from one of my company's servers, but also allow new clients of ours to visit our site, create an account of their own and use it to log in and begin transferring files. This way, the users can manage their own accounts.
I don't know a lot about exactly what is running on our server, though I am almost positive it is debian based. I really only have access via ssh and ftp. I may be able to do more in the server room, but haven't tried. I thought about using net2ftp, but that doesn't seem to work with sftp, and also doesn't allow the creation of new users on the server.
Is there anything out there for me??You will undoubtedly require more information from me, so please let me know what it is and where I can find it and I'll get back to you as quickly as I can.
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Jun 18, 2010
I've got a lan with a mixture of linux and win machines. I've got one of those network addressable printers that I really like since I can access it from any machine on the lan in an os independent manner.
I saw in the local computer store network addressable hard drives, i.e., those that have an ethernet address and port. I really like the concept of having hdd storage that is both machine and os independent, just like my printer. However I don't know how to make it secure from spoofers. The only filter between it and the outside world would be my linksys wireless router, which has an internal firewall, but that doesn't seem to be enough security to me.
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May 18, 2010
I'm having problems establishing secure sessions with my bank's online banking service provider. I've already contacted their local tech and together we were unable to solve the problem. I've tried deleting my cookies, session store, cache, and none of it worked. He's currently forwarding our conversation to the service provider's tech support line, but who knows what will come of it. Or even if they will offer support for an iceweasel user. I'm using Iceweasel 3.6.4~build2-1 out of the experimental repo.
I'm able to login successfully to online banking site to view my list of accounts, however if I try going any further than that, I'm redirected to an error message page that tells me a security error has occurred - the online session has expired. I get this on browser profiles 1, 2, and 3, however I do not get the error message on profile '0' (default) or on newly created profiles. And as mentioned earlier, I've tried deleting all persistent data (cookies, session, cache) on a non-working profile and the problem still exists. Let me know if I can provide any more information.
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Sep 26, 2014
I have Acer Aspire S7-392. It has two 128GB SSD drives. They are using RAID 0. Currently there is Windows 8.1 installed on the RAID 0 drive.I am trying to install Debian 7.6 (wheezy) alongside Win 8.1 (dual boot). Actually I have already created linux partitions and installed mentioned Debian on my computer. I had to skip grub installation due to fatal error that had occurred. (Everything on existing RAID 0 volume).Now I am looking the way to install grub and boot Debian. I have disabled UEFI Secure Boot. It didn't work.
My question is:
1. Is it possible to have Win 8.1 and Debian dual-bootable on the same RAID 0 volume? How to install grub and boot debian?
2. If not, what am I supposed to do to achieve what I want (these two systems on one computer)? Delete old one RAID 0 and create two new: one for windows and one for linux partitions?
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Apr 10, 2015
Since users need to disable secure boot to install Debian but can you enable after its installation?
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