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• Does SELinux make Redhat more secure?

  - by vfclists

  Does SELinux make Redhat more secure? I can't remember the number of times when I have disabled SELinux because it kept frustrating my ability to get stuff running. Lots of times to there was no obvious reason why stuff wasn't working and I had to Google to discover why. Given that most casual users will disable or weaken security when it appears to get in the way, with the exclusion of serious, enterprisey Redhat users, is SELinux really useful? PS. Is there some tool that helps you log, track and manage SELinux issues across all applications? In spite of being an Ubuntu user I am a closet Fedora fan.

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• How do I use novnc on CentOS 6?

  - by hyphen this

  I came across novnc in a yum search, and wanted to use it so I installed. However, there is no information on how to actually use it. The novnc_server command exits with "Could not find vnc.html". The man page and --help menu are of no help. The README on github says: "Use the launch script to start a mini-webserver and the WebSockets proxy (websockify)." Which is also, of no help. The fedora and CentOS wiki have no info.

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• Why is my eth0 getting a dynamic ip when it is configured to be static?

  - by sdek

  For some reason our office linux box is being assigned an ip address via dhcp and I don't know why. What is confusing to me is that when I check system-config-network it shows that my eth0 is setup to be a static ip address. And /etc/sysconfig/network-scripts/ifcfg-eth0 also shows it is setup to be a static ip, yet it is getting a different ip address than the one specified in the ifcfg-eth0. Let me know if you have any suggestions on or ideas on where I can look next. Here are a few details that might help you figure out what an idiot I am :) Fedora 11 Router in front of this box is running dhcp, starting at 10.42.1.100 This box is configured to be 10.42.1.50 (at least I think it is!), subnet 255.255.255.0 (which is same as the router's lan subnet) Instead of having the static IP, this box is getting assigned 10.42.1.100. Here are the ifcfg-eth0 details DEVICE=eth0 BOOTPROTO=none ONBOOT=yes TYPE=Ethernet USERCTL=no NM_CONTROLLED=no NETMASK=255.255.255.0 IPADDR=10.42.1.50 GATEWAY=10.42.1.1

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• Missing dependency when trying to update

  - by ant2009

  Hello, Fedora 12 2.6.32.9-67.fc12.i686 I have tried doing the recommended as its saids at the bottom. However, that didn't work. So I have to yum upgrade --skip-broken Does anyone know how to solve this problem? Many thanks nss-3.12.6-1.2.fc12.i686 from updates has depsolving problems --> Missing Dependency: nspr >= 4.8.4 is needed by package nss-3.12.6-1.2.fc12.i686 (updates) nss-3.12.6-1.2.fc12.i686 from updates has depsolving problems --> Missing Dependency: nss-util = 3.12.6 is needed by package nss-3.12.6-1.2.fc12.i686 (updates) Error: Missing Dependency: nspr >= 4.8.4 is needed by package nss-3.12.6-1.2.fc12.i686 (updates) Error: Missing Dependency: nss-util = 3.12.6 is needed by package nss-3.12.6-1.2.fc12.i686 (updates) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest

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• How to give a Linux user permission to create backups, but not permission to delete them?

  - by ChocoDeveloper

  I want to set up automated backups that are kept safe from myself (in case a virus pwns me). The problem is the "create" and "delete" permissions are the same thing: write permission. So what can I do about it? Is it possible to decouple the create/delete permissions? Another option could be to let the user "root" make the backups. The problem is my home directory is encrypted, and I don't want to backup everything. Any ideas? For the backups I'm using Deja Dup, which is installed by default in Fedora and Ubuntu.

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• Clonezilla is not able to clone a RAID 1 disk

  - by Adrian

  I have a HP Server DL320 G5. There are two SATA hard disks configured as RAID 1 through HP embedded RAID controller. Server OS is running GNU/Linux (Fedora) Server booted up with clonezilla live CD. The image will be stored on a NAS connected through NFS. Clonezilla could mount the NFS share and could see the two hard disks /dev/sda and /dev/sdb. I selected /dev/sda for disk cloning. However I could not see the cloning progress and got straight into a prompt for reboot, poweroff, command line I tried to select /dev/sdb but the same issue.

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• How to automaticaly mount luks-partition only when disk is plugged in

  - by Frederick Roth

  I have the following scenario: I want to automatically backup some data from my Laptop(Fedora Core 17) to a external encrypted(luks) hard disk. The disk can be opened by a key file, which lies on the also encrypted root partition of my laptop. The hard disk is attached to my docking station and therefore only "present" when I am at home (which is approximately 1/2 of the time the Laptop runs) I have everything set up the way I want it with one exception. I don't get a decent way to mount the hard disk automatically at boot if and only if it is present. If I add it to crypttab and fstab without noauto it tries to mount it at boot and takes a lot(!) of time and error messages when it is not present. If I add noauto, well it does not mount automatically ;) Is there a way to configure luks/crypttab to do the following: check whether the disk is present if yes: decrypt/mount if no: just don't

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• Why do computers get slower over time? [closed]

  - by Paperflyer

  Possible Duplicate: Why does hardware get slower with time? You probably know this: A newly bought computer is snappy and responsive and just really fast. Then you use it for a couple of months and slowly but steadily the computer gets slower. Opening programs now takes a long time, accessing files takes longer, everything just takes longer than it used to. If you wipe your hard drive and reinstall, everything is back to its original snappyness, but will deteriorate again. This always happend with any operating system I used. Worst of all Windows XP, but also with Ubuntu Linux, Fedora Linux, OSX 10.5/10.6, Windows Vista... (haven't used Win 7 long enough to confirm this) Do you know the reason for this? Or even, a cure?

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• Lightweight Live Linux Image

  - by MA1

  I am working on an application which is being developed in wxPython and C plus using linux core utilities and network support. To be more specific, I only need the following support for following packages/softwares/components. wxPython C Network Support Linux Utilities Vi File System(fdisk/parted, ntfsprogs etc) Basic(cp, mount/umount, mkdir etc) The application will run from a live CD. Currently i am using Fedora 12 with Gnome for live CD. Currently the size of live image is around 350 MB. The size of application is hardly 1 MB. I don't need anything else except above mentioned. Just my application and supporting packages, no desktop etc. So, I need a Lightweight Linux image as smaller as possible providing all the above mentioned packages/components. I am considering the following distributions: Xfce LXDE Fluxbox Enlightenment Any ideas/suggestions?

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• Ubuntu Karmic, Maximize delay problem

  - by Loukas990

  Hello, I have tried various ubuntu versions, Ubuntu Karmic Koala 9.10 x86, Ubuntu 10.04 beta DVD, Ubuntu 9.10 AMD64, Mandriva 2010 x86, also a Fedora version and after installing compiz on all OS's, everything is working normal and smooth, even the compiz effects, cube, water, fire, wobbling windows, etc, except of the Maximize effect, where i get 2seconds+ delay for the effect. Cause it got me in a lot of thinking, why im getting this delay "problem", do you think there is any solution? or at least a way to decrease the delay? Thanks in advance. ;) P.S. My laptop is a Toshiba Satellite P300d, AMD Turion 64 x2 Dual-Core TL-64 (2.20 GHz), ATI Mobility Radeon™ HD 3650 512MB, 3GB RAM.

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• nginx: php-fastcgi running but php files not executing

  - by Daniel

  I have recently set up a nginx server with PHP running as FastCGI process. The server is running with HTML files however PHP files are downloading instead of displaying and PHP code is not processed. This is what I have in nginx.conf: server { listen 80; server_name pubserver; location ~ \.php$ { root /usr/share/nginx/html; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name; include fastcgi_params; } } The command netstat -tulpn | grep :9000 displays the following which indicates php-fastcgi is running and listening on port 9000: tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 2663/php-cgi If it's if any importance my server is running on CentOS 6 and I installed nginx and PHP using the repositories from The Fedora Project.

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• How can I use my laptop's monitor as my PC's ONLY monitor? [closed]

  - by Randell

  Possible Duplicate: Can I use my laptop as a second monitor for my desk computer? My PC's monitor just died and I'm not looking at buying a new monitor anytime soon. So I'm thinking of using my laptop's monitor for it. Both machines are running on Fedora linux. Edit: Both machines are connected to the same wireless network. PC needs to log in before it can connect to the network if I'm not mistaken. Update: This is different from Can I use my laptop as a second monitor for my desk computer? , because that question is asking how to use the laptop screen as the secondary display, not as the only display.

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• Why is scp not overwriting my destination file?

  - by Noli

  I'm trying to back up a file via the command scp /tmp/backup.tar.gz hostname:/home/user/backup.tar.gz When I run it, the scp progress bar shows up and it looks like its transferring the file, however when I log into the destination server to check the file, the timestamp and filesize haven't changed from the older version, so it looks like scp didn't overwrite the old file at all. It only sees to work when I manually delete the file from the destination server. I'm running ubuntu, and this is happening on two servers: one cygwin ssh, and one fedora core 3. Anyone have any idea why this is happening? I thought scp would ONLY overwrite existing files.. Thanks

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• How to configure sendmail to relay local user mail to public host?

  - by Chau Chee Yang

  I am using Linux/Fedora's sendmail as my mail server. The server do not has a public domain name. It connect to Internet via dial-up. There are few users in the server. I have successfully configure my sendmail to relay mail to public host (via smart_host): # mail <user>@gmail.com [email protected] receive mail from this private host. However, if I send a mail to local user (without domain name): # mail <user> All mails are deliver to my server's mail spooler (/var/spool/mail). I wish all mails send to local user may relay to a public domain that I have registered, is that possible to do so with sendmail? mail user1 will send mail to [email protected] mail user2 will send mail to [email protected]

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• Recover data from a corrupted virtualbox vmdk file?

  - by Neth

  The power went out while I was doing a build on a VirtualBox machine, when I restarted the vmdk for the disk the vm was using was corrupted, apparently irrecoverably. I have been able to grep the 66GB vmdk file and it finds strings from the code I was working on that hadn't gotten in to subversion yet (yeah, yeah I know). But the strings are either in the shell history or what look to be strings inside object files. Any ideas for finding/recovering the source code? If it helps the vm was Linux, Fedora Core 10 on an ext3 filesystem. The host is an ubuntu 10.04_amd64 and has an ext4 filesystem.

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• How to block own rpcap traffic where tshark is running?

  - by Pankaj Goyal

  Platform :- Fedora 13 32-bit machine RemoteMachine$ ./rpcapd -n ClientMachine$ tshark -w "filename" -i "any interface name" As soon as capture starts without any capture filter, thousands of packets get captured. Rpcapd binds to 2002 port by default and while establishing the connection it sends a randomly chosen port number to the client for further communication. Both client and server machines exchange tcp packets through randomly chosen ports. So, I cannot even specify the capture filter to block this rpcap related tcp traffic. Wireshark & tshark for Windows have an option "Do not capture own Rpcap Traffic" in Remote Settings in Edit Interface Dialog box. But there is no such option in tshark for linux. It will be also better if anyone can tell me how wireshark blocks rpcap traffic....

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• WLAN LED randomly blinking when there is no traffic

  - by mrc

  Hi, I've got a Linksys WUSB54GC WLAN USB interface (Ralink chipset) and I'm running Debian GNU/Linux 6.0. The LED very often randomly blinks although there is no traffic in the network. I checked this with Wireshark. Sometimes, but rarely, the LED stops blinking. The issue is present in Ubuntu and Fedora too. It was not present in Debian Lenny with Linux 2.6.28. I checked an old live cd with ubuntu 8.10 with kernel 2.6.27 and it was also OK. So I guess that's an issue with Linux kernel and its wireless driver or firmware. Has anybody observed a similar thing? Does anybody know how to help this annoying blinking? Thanks.

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• Can we increase Torrent share ratio using Local Peer Discovery?

  - by Jagira

  I just want to know whether this is a flaw or not in Bittorrent system. Let us assume that I am member of a Private Torrent site which requires me to maintain a specific upload to download ratio. Will this work: I create a torrent of a large file say [ Fedora Linux ~ 4 GB ] and upload it to the tracker I download the same torrent using my ID and start it on another machine on LAN or a Virtual machine Both clients have Local Peer Discovery enabled, so they will find 'em [ not via DHT ] and start x'ferring data using LAN bandwidth at LAN speeds. Though both uploads and downloads will increase, my ratio will also increase If I reiterate the entire process 'n' times, the numerator in the "RATIO" i.e Upload will become so large that the effect of downloads on ratio will become less. I want to know whether this is legitimate???

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• Maximum disk size for a Debian 6 VMware installation?

  - by Mohamed Abobakr

  I'm planning to install a variety of Linux distributions on VMware Player to get more experience with Linux (I've only used Fedora back in university). I'm starting with Debian 6.0.5 Squeeze, and have already downloaded the small CD i386 netinst image. In the new virtual machine wizard, it's asking me for the maximum disk size of the image. It says that the recommended size for Debian 6 is 8 GB. However, I'm trying to figure out what is the absolute minimal size that I can get away with, since I'm only testing it out with very few software installations (mainly testing web server applications).

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• Swiftfox(A variant of Firefox i.e getswiftfox.com ) is taking ages to load in Debian Lenny.

  - by unixbhaskar

  As I mentioned the problem in the Title line..so no stating here once more.I have been using swiftfox for all other partition os without any problem i.e it works flawlessly on Arch,Fedora,Gentoo( my other OSes) ..but giving trouble in Debian Lenny.... Not yet find any clue. Please throw some light on it.The point is that I have had periodically prune swiftfox/firefox internal database; as well as upgrade and update empirically . I am bemused with this problem in Debian Lenny. Cheers! Bhaskar

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• Home server - HP Proliant Microserver - Software and setup - OS on USB stick? [closed]

  - by Lloyd Watkin

  I've just purchased a HP ProLiant Microserver for home use. I want to set up with web server, samba shares, the usual stuff. My question is really about system setup. It has an internal USB socket so I've attempted to install a copy of Fedora 14 onto it. I turned off X/Gnome, but it still ran like a pig. I've now put the OS on one of the internal disks (250Gb, 7200rpm), but I was wondering if there was a way to utilise the internal USB to give me better power-saving allowing the hard drives to be shut down when not in use. How would you set this server up? I'd rather not go to the extra cost of an SSD right now, but if that's the best way then so be it.

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• Use xrandr to set the absolute position of the screen?

  - by Eli

  I am running XFCE on Fedora 15. I use xrandr to set the secondary display (HDMI-0) to be to the right of the primary (DVI-0), however it is always at the top-right. Is it possible to set the absolute position of the display (e.g. DVI-0 at 0,0 and HDMI-0 at 1920,56), or even set the display to be at the bottom-right? I cannot modify the Xorg.conf, which would be the easy way, as that would mean generating an Xorg.conf file (there is none right now), and I do not know of any automated tool to do that (other than the fglrx driver). The reason why I need this is because I want to extend the XFCE panel accross both monitors, but with there being a 56-pixel-wide dead zone at the bottom I cannot do this.

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• How to make HOME or END keys work in mc running on OS X (ssh)

  - by Sorin Sbarnea

  I installed MacPorts on OS X 10.5 and I found out that when I connect to the computer using SSH and use mc - Midnight Commander - the HOME and END keys do not work. I have to mention that I'm using putty and I am able to use the keyboard very well on Linux machines like Fedora, Ubuntu,... Here is putty keyboard configuration (a configuration I found to be optimal over time): Backspace key: 127 Home/End keys: Standard Function keys: Xterm R6 Cursor keys: Normal Numpad: normal Terminal type string: xterm-color I'm looking for a command line solution/script that does these changes, this make much easier to create a prepare OS script for configuring a new OS.

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• How do I prevent libvirt from adding iptables rules for guest NAT networks?

  - by Jack Douglas

  Similar to this old request on BugZilla for Fedora 8, I'm hoping something has changed since then or someone knows another way. I want to manage the iptables rules by hand—the one-size-fits-all automatic rules don't suit me at all. These rules seem to be added and removed when a network is started and destroyed. Is there a way of either preventing these rules being added at all or hooking a script into the network start that restores the default rules afterwards. For now, I'm using a very crude method with cron, but I hope there is a better way: * * * * * root iptables-restore < /etc/sysconfig/iptables

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• How to set up Mac Os X like dragging behaviour on Linux

  - by ticking

  I would like to use Linux(Fedora) on a Aluminum MacBook Pro, but since the Touchpad on a MacBook Pro is only a giant button Apple does some custom tracking. When there is one finger placed, and a second follows (the click can occur before or after that) it will be interpreted as a drag. So the strong thumb can be used to hold pressure and the more accurate index finger can do the pointing. But Linux interprets this as a right click, since it only cares if two fingers are on the pad. Is there a way to achieve said behaviour? Cheers Jan

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