Ubuntu Security :: Paranoid Netbook - WIN Vs LIN?
Jun 17, 2010
I need to CIA proof my netbook. Im not paranoid,
Task: CIA proof my netbook.I'm thinking:
1) Operating system: WIN vs LIN? I'm not very techy so I'm in disadvantage against CIA Lin experts.
2) HDD on-the-fly encryption: possible with lin? Win has a very nice program called TrueCrypt.
3) AV/FW: no need for AV on LIN,as I heard. LIN blocks all ports by default, so I guess LIN is winning.
4) Software: keep it simple, no FLASH/JAVA/COOKIES/JS for my browser (FF?). Keep it open source and no games, freeware, downloads and torrents...
5) Internet traffic: need to set up some kind of vpn with servers in 2-3 countries.
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Feb 9, 2010
I have installed my linux server on the Internet witout a router/firewall between. To secure it I used iptables and it works fine. The problem is that I'am not feeling secure enough with only iptables. Is there anything else that I can install to make my server more secure and get rid of my paranoid feelings?
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Dec 10, 2013
i was wondering if it is possible so have a paranoid install in Debian.To like remove boot up sequences that can compromise security, have an encrypted LVM with key and boot on an encrypted usb stick, really good firewall settings and selinux settings. I just want to turn my laptop into a bunker. Till now i have had encrypted LVM with encrypted files in it, i shred everything, i use tor (was trying I2P earlier but didn't really work), use gpg an such. I have no decent firewall because i don't know much about it and no selinux. how to create a as secure as possible system?
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Sep 16, 2010
I'm running eeebuntu on a Toshiba Satellite R10, I installed the Netbook Remix Package which was apparently a horrible idea. I cant click properly. I tried to open synaptic package manager to uninstall it but it tells me my password is wrong, which i know it is not. Is there anyway to fix this, i can open terminal.
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Jan 18, 2011
I am having trouble installing Ubuntu 10.10 netbook remix edition onto a Acer Aspire one netbook. I am attempting to install the OS from a 16GB PNY usb drive w/ the usb-universal installer and ubuntu 10.10 netbook remix .ISO
The reoccurring problem that I am encountering is that when I boot from the USB-drive and begin to install everything seems to be working, and then it is stuck at the menu where it asks who are you?; and of course i have filled in everything asked and at the bottom where you can look at what its doing in the terminal/detail section all it says is ready when you are, and the forward tap is unselectable.
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Aug 30, 2010
Why i cant change from 800x480 to 1024x600, that this model of EEE pc doesnt support anything higher than 800x480 at the 10:1 ratio...
Firstly my question is, is it ACTUALLY possible to 'overclock' this type of netbook to run a higher res?
Im running ubtuntu netbook remix 10.04 and am new to linux (again, so sorry) so be nice, and ive tried getting my head around this 'sudo' stuff, and the xorg.conf file (which is nowhere to be found) and ive even tried a program calld astray but im pretty sure ive exhausted my patience as trying to self-teach . . .
And ive also tried to much around with xrandr or whatever that command was.. but i cant really get my head around it, and it kept telling me the resolution didnt exist ect...
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Mar 7, 2010
For the past 2hrs I have been struggling to make KDE launch plasma-dekstop instead of plasma-netbook, but all in vain.I removed, then purged plasma-netbook and plasma-netbook-default-settings packages but after logging out and re-logging in the Netbook UI was back! After restarting the system now I can't even seem to get the KDM. I am greeted with a black screen.--- I restarted the system again and the nasty little bugger is back again! This is so frustrating. How do I get plasma-desktop to load instead?---- Great now I can see that plasma-desktop and plasma-netbook both are running simultaneously! netbook on top of desktop. So my final Q is how do I stop plasma-netbook from loading?
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Mar 20, 2010
i would like to change my OS to Ubuntu netbook remix, but I already have installed Kubuntu netbook package.
Is there any easy way to make switch from Kubuntu to Ubuntu? Without need to delete all my data?
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Apr 30, 2010
I installed Ubuntu Netbook 10.04 and immediately noticed the keyboard of my eeepc 1000HE was abnormally warm. Since I dual boot XP I booted to XP and found the fan running faster to compensate for the previous heat. This did not happen on Ubuntu-the fan just was barely running. I had to place the side of the netbook in order to feel the fan running. I issued "sensors" in terminal and it showed 67 degrees C for the cpu temp. Is the latest Ubuntu such a resource hug that it heats up the CPU?
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Oct 28, 2010
my play on linux wont work i go to download a game and it just freezes then it asks me to force quit or wait is because of the computer im using a netbook nb305 toshiba with a intel atom processor with ubuntu netbook os?
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Sep 19, 2010
Im a new linux user and so far im loving it, problem is i just tried installing Ubuntu 10.04 netbook remix onto my Compaq mini 311 (via usb) and at first i couldnt even install from the flash stick...finally managed to by formatting the flash with an HP tool and then creating the bootable Live OS with "Linux Live USB creator 2.6."
I selected to use the whole Hard disk to install (the hard disk was empty anyway as i recently formated the drive which had windows 7 on it)
The the installation completed successfully but the problem is that after rebooting the OS wouldnt boot, leaving me with a flashing cursor or _ on the top left of the screen...
I have tried everything i could think of, using different Usb creators, formatting the hard drive before re-installing but for some reason im still left with the same blinking cursor after every install.
I have just installed the regular version of ubuntu 9.04 which works perfectly after installing but id much rather use the netbook version of 10.04
(I assume the issue has something to do with the bootloader but im completely new to the topic so cant really troubleshoot)
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Jan 19, 2010
ubuntu 9.10 login panel is worse with respect to ubuntu 8 since now all the users with names are shown without a way to hide them!Why don't keep the old way at least as an option?
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Oct 15, 2010
To avoid having to input a password for the keyring each time I connect to the net via wireless, I enabled the 'Available to all users' option in Network Manager. Now, my question is this. Are the 'users' it refers to just those created on this machine? Would a drive-by be able to use my network without entering the password?
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Jan 17, 2011
1. I understand you can protect your files or directories in your website by setting file/directory permissions. The meaning of r w x is clear to me, but I'm not sure how to proceed... Starting with the index.html file, if I wanted to make it so that anyone in the world can read it but can't modify it, do I set its permissions to rwxr-xr-x? If I set it to rwxr--r--, would that mean the file couldn't be served? I mean, what does the x setting do on a .html file, how can a .html file be executable?
2. If file permissions work on the lines of owner-group-others, in the context of a website, who is 'group'? As far as I can tell, there's only the owner, which is me, and others, which is the world accessing the site. Am I correct in thinking that by default, say when creating a website on a shared hosting server, there is no group unless I specifically set one up?
3. My ISP allows the DynDNS.org service, meaning that I could serve a website from my home. It's too early to go that route just yet, but for future reference, I would like to ask about the server software called Hiawatha. It is said to be secure, but having read some evaluations of it, it doesn't seem to offer anything that couldn't be accomplished with Apache or Cherokee, it's just that its security settings are simpler and easier to configure. Am I right about this? Or does Hiawatha truly offer something that the other major server packages don't?
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Mar 3, 2011
i updated both browsers i have and lost my secure log-in pages (no padlocks showing ) concerning different Web mail accounts.Just before i did these updates i checked an unrelated thing on-line regarding my sound card of which i kept a copy of and got this message below :
!!ALSA/HDA dmesg
!!------------------
[ 12.762633] cfg80211: Calling CRDA for country: AM
[code]....
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Mar 29, 2010
Conky can be used to display a variety of information on the users desktop. I wanted to use Conky instead to display the current status of security as reported by:
SANS Internet Storm Center
IBM Internet Security Systems
Symantec Threatcon
McAfee Threat Center
I therefore created 4 small scripts which download the current status from these sites, and set the colour of those status's depending on the current value.The conky configuration allows for a semi-transparent background - though this is optional.Attached is an example image showing the 4 different colours.Also attached is an archive with the 4.sh files, .conkyrc and draw_bg.lua (from here http:[url].....
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May 29, 2010
I just installed Ubuntu on a desktop. Can anyone give me some guidance on installing basic security software? In particular, I'm looking for a firewall, antivirus, and anti-spyware/malware utilities.
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Aug 3, 2010
I already posted a topic similar to this concerning the Desktop OS version, but this deals with the Netbook because unlike the Desktop, the Netbook is less cooperative. Allow me to elaborate: Today (or rather yesterday since it's not after midnight where I am), I changed my password because I was hopelessly confounded about how to get my Wireless Network card up and running after it had been installed and I was allowing my dad to use it. This issue has since been resolved, however...
When I chose my password during the original installation, there was no mention of it being "too simple." This is where the Desktop OS and the Netbook OS differ. The desktop will let me change it in the terminal without any errors. The Netbook will not. When I've attempted to revert it back to the original, it will not let me do so in the User Profile or in the Terminal. The Passwords and Encryption Keys application also does not appear to help.
So now even after I've changed it to a different "complicated" password I am still prompted to insert two different passwords since I changed my user password but I am unable to change the password I input during the installation. A bit screwy methinks. This is extremely important. I'd like to know how to change the original installation password.
If I can't change the main password on my laptop then this is a serious potential security breach just waiting to happen (especially since it's on a laptop and I will be hauling it around with me) and I will most likely install a different OS if this isn't resolved --- It would be very unfortunate since I spent the whole day fixing it and I really enjoy the interface. Luckily I can live with this on my Desktop since I'm not going to be hauling it around with me everywhere when the school year starts.
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Nov 11, 2010
As it stands I have a small home network operating behind my modem/router. Some of the ports on this are forwarded to my PS3 for gaming but I was looking at forward some for my file server.
At the moment I've forwarded port xxx22 to port 22 on my server for SSH for instance. ANd similarly 21 for FTP (although it doesnt seem to want to connect for any more than a few seconds using that). What I was thinking of doing was placing a small website for a handful of ppl to use on the server too and port forward again - xxx80 to 80. It works just fine but I'm a little concerned on the security front.
As I've moved the port to something different from the outside world I'm presuming I will have already cut the potential for malicious folks to wander in but is there anything else I should be doing? At the moment there's no firewall operating on the server, usually as its hidden behind the modem/router. But if I open this thign up more permanently what should I be doing? I've read a few articles on it but I'm always left with the overwhelming thought of "Thats if theres no firewall in my router" as they just seem to do the same.
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Feb 28, 2011
When posting results from ifconfig, it shows the hardware address of etho, etc. Would you consider that to be a security risk ?
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May 8, 2011
I'm concerned about security of having a LAMP server on my laptop as having any server makes the system less secure. However, if I were to create a new partition and install a lamp server on that and only use it when offline, would the security of my main partition be affected at all?
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Jun 7, 2011
The default Firewall ufw is not enabled by default at the time of installation and it has to be enabled by the user.Isn't this a security risk or is the user whether ufw is enabled or not secured from external threats?I am not much knowledgeable about network security But I am trying to understand the Ubuntu mentality behind this default setting.
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Jul 22, 2011
I've recently been running a game server from my desktop, as well as a web page to accompany it.I use the ports 80/8123(HTTP)/5900(VNC)/50500(GAME)/5839(ADMINISTRATION).What's the best solution to protect my server from security threats? On a side note, I plan on adding a MySQL server later, but I want to keep it local only.
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Mar 25, 2010
Having read on the forums about some of the dangers of running Wireshark as root, I would like to know if anyone can suggest some alternative packet sniffers/network analyzers which will offer similar results but without the security issues. I am using Karmic Koala on a Fujitsu Siemens laptop with wireless router (firewall enabled)
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Apr 2, 2010
So yesterday I receive a copy of the SANS @RISK security vulnerability newsletter, and, lo and behold, Mozilla's Firefox and Thunderbird are on it yet again. (Yeah, I know, shocking, isn't it?)So I quickly check what versions I have installed. Yup: Vulnerable.I check whether updates are available.These are pretty serious "remote code execution" vulnerabilities and the status is "vendor confirmed, updates available." So why isn't my 9.10 desktop's update manager telling me updates are available?
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Jun 15, 2010
I have read that to improve security in Ubuntu a good fix is to make the /home folder tree non-executable by default. This would mean that malware could not run in the /home tree without changing the setup.Is this a viable change, or is it just icing on the cake, any one any thoughts on this.
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Jul 6, 2010
I always use VNC to check my server for updates, and this morning I started the xvnc4viewer to vnc into my server and it keep asking for a password. I never setup a password because I do this local from my laptop, and I am the only one who uses my laptop. I had to go to my server and check the setting in System > Preferences > Remote Desktop and found them all changed. There was a password setup and there was a check mark in the you must confirm each access to this machine there some security update that changed all these setting? Sometimes when I do updates I don't know what is being changed on my server
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Aug 14, 2010
is there a way to run flash and java securely? stupid question i guess. i'd like to use a couple of sites that require them but don't want to open my box up to the bad things that can happen with these. videos, pandora etc. i don't know linux security well and just wonder what the ramifications of this will be?
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Aug 14, 2010
i have just recently purchased a SeaGate 1TB External Hardrive. i have very sensitive information on this storage unit that i only want certain people to have access to. is there any way of password protecting the hardrive? preferably using linux or what are my options?
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Aug 14, 2010
I'm new to server admin, so my question is based on what may be a bad assumption. With a server, my assumption is "if it ain't broke, don't fix it". In other words, I'm not really interested in upgrading the software to the latest and greatest if I already have stuff working on the server.
However, the one place where I DO want to constantly have upgrades is for security patches. How do I apply security updates to Ubuntu Server... and ONLY security updates?
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