1.i want to adduser from linux.but it says insufficient rights.how to get rights means change the rights .i have root priviliges also.iam working as user...
2.if iwant to remove softwares iam getting error that is Cannot retrieve repository metadata (repomd.xml) for repository: updates. Please verify its path and try again
I wanted to change authentication options in
1) /etc/pam.d directory files common-password, common-auth, common-account
2) /etc/login.defs - PASS* fields
I know the fields that need to be changed but what I could not find was
a) commands that change these options similar to useraddusermod and so on but those which can change system wide settings
b) API that can change these options (C API)
I have almost accepted that there in fact aren't such things. You have to manually update the files. I would prefer not though.So I am asking here as last attempt to find such commandsAPI. Please let me know if they are available.
I was messing around with changing the dictionary for our PAM cracklib module and seemed to have stuffed something up.When I attempt to log in through a telnet session with any user that has a password I getAuthentication FailureThis session is no longer connectedI am still able to log in via the Web admin using the root user/password.I can also log in from a telnet session if the user has no password.
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View 4 Replies View RelatedFrustrated with ubuntu v11, i re-installed v10. At first my old authetication password worked. Then it stopped working and i can't make any changes because i don't know what word the blasted system wants. Am i locked out forever? Should i re-re-install v10 and everything else? or how i can change my authentication password without knowing what the computer wants?
View 9 Replies View RelatedI just started learning the Linux system and I installed Ubuntu 11.04 as a partition on my IMac. I want to change my authorization in the terminal to su - , but I keep being told authentication failure.
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Code...
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how can I change the text in the Squid Proxy Authentication Dialog Box...? I would like to change the text "The proxy localhost:3128 is requesting a username and password. The site says: "Squid Proxy Caching Server". Is there a file or a configuration to change the text?
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[Code].....
my server uses plain text authentication on port 25. I would like to use security like SSL, but this particular server is unsecured.
I have learnt that the network locked huawei modems may be unlocked to use any sim card bu getting a special unlock code and it should ask for it when a "foreign" SIM card is inserted. This procedure works well in Windows, but in Linux where I use wvdial, I dont get prompted for this unlock code. Does anyone know how to insert the unlock code in Linux using any Linux tool (GAMMU/GNOKII/Minicom etc)?
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If I am running a script, let's say a install script. Is there a way to make Su repeat authentication rather then just returning "Authentication failed" and continuing the script?
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I was also looking at Kerberos as an option though there is alot overhead with the server. SSL/TLS or EAP? I am looking for simple but secure and am new at the security protocols.
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View 3 Replies View RelatedI have a problem with ldap client authentication in ubuntu. I am using rhel5 as openldap server and I configured ubuntu as client, when I am trying to login the following message is coming."su: Authentication service cannot retrieve authentication info. Sorry"
But when I do search through "ldapsearch" command output is coming without any errors, Can anybody explain what would be problem.
I am unable to ssh a Linux box from other Linux boxes; also tried to window putty.Although I am getting the password prompt instantaneously.So far, by comparing logs of other server, I am just able figure out that "debug2: callback start" is not coming in ssh -vvv logs.
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View 5 Replies View RelatedI recently installed Ubuntu 10.04 Netbook Remix on my Gateway LT3103u. I noticed shortly into using it that it has a graphics bug every so often. Especially when I change the background image. Everything will change to a warped mix of colors and pixels. Everything is affected. My mouse, the bar at the top of the screen, text and all. My netbook runs on an AMD Athlon 64-bit processor with ATI Radeon X1270 HyperMemory up to 256MB graphics.
So far I have tried reinstalling, and even the 64bit desktop edition which had the same problem. Ive noticed that it freaks out when i scroll too quick, when changing background images, and on certain websites. Then other times its completely random. When it happens it looks similar to these: [URL]
I currently have a Windows XP OS which i want to dual-boot with Ubuntu Linux 10.10 . I put the disk in the drive and chose the option to install Linux through Windows. But it hangs in the middle. I am also unable to change my BIOS settings due to which i can"t change my boot preference. My first Boot is the HDD. I want to change it to CD-ROM. Any suggestion? I also have another PC where i can boot through the CD...I tried installing there by booting from the CD but i get this error message after seeing the purple Linux screen with the loading dots. "(Process:286):Glib warning**:getpwuid:failed due to unknown user id (0)
P.S.- I am not able to see any options while the boot is going on
I'm new to Ubuntu Linux but have many years on windows platform. Please can someone help me with how to change the following items.
No.1 I would like to change the HORRIBLE!! YAK!! brown background color behind the word Ubuntu in the start up screen when the machine loads up (before the login). I have located the image file for this which I have found to be: /usr/share/images/xsplash/bg_2560x1600. jpg but the OS says that root is the owner and that I don't have permission to change this. So how can I change this for a color I do like.
No.2 I would also like to change the login dialogue screen style. I know this is possible but again I'm fumbling to see how I can do this. I have tried with the start up manager but every attempt fails, the settings don't take. Once again I suspect permissions are at the bottom of the problem?
No.3 Would like to have a colorful splash screen image on boot up, I've managed to remove the old one (small white 3 ring ubuntu logo on black background) but havent been able to install or replace with a new one. Its been incredibly frustrating, I'm feel sure I'm missing something simple here. Wondering if its permissions yet again?
Anyone who can offer help on any of the above, guidance or advise me would be much appreciated. Please bear in mind that I'm still very much feeling my way with Linux so keep it simple.
I changed it and got it working a long time ago but i installed 10.10 (great work BTW ) and have forgotten completely.
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View 3 Replies View RelatedI am working on a friend's computer for which he "lost" the operating system. This friend has very little extra money right now, so my classmate suggested I try loading Linux on my friend's PC.I am wondering if it will work. The PC is a Compaq Presario SR5610F with an AMD processor. I have been told that Linux doesn't care much for AMD.Does anybody know if it will be possible to use Linux as an OS on this PC?I'm looking for a cheap(er) alternative than Windows. Friend is balking at Windows 7. The machine had Vista loaded in it when purchased, then the son loaded XP on it, without removing Vista. They have been having issues with crashing for some time now. The recovery disks are supposed to have XP on them, but I don't think that is so, and when I tried running those disks, the computer balked. I finally worked around and got XP to install, using a disk from an old computer, but the code would not work, and nobody could remember the computer's password and user name.I want to start fresh with this machine, and install a basic, working OS. Am leary about XP on eBay or some such, but they really don't have the funds to purchase anything over $100.00.
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