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• Access control to non root users

  - by Sirish Kumar

  Hi I am setting up development environment based on SLED, we have installed required software as root user. We have configuered users Login through NIS. Developers needs access to almost all partitions for complete access including write and execute when they login using their ID's, Log in through their own id's is mandatory . What is the best way to give this access?

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• Where is the xorg.conf file in Karmic Koala (Ubuntu 9.10) ?

  - by jfmessier

  I am trying to change this xorg.conf file that I used to modify under Ubuntu 9.04, so it can have the higher resolutions of my monitor. Under 9.04, the monitor was unknown, and I had to key in all resolutions in the file, and although it is found under 9.10, 9.10 does not have the highest resolution that My monitor can sustain. How can I change such setting ? Is xorg.conf moved, or replaced ? Merci :-) JF

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• Curl authentication

  - by Jack Humphries

  I am trying to download a file with cURL from a password protected directory on my site. It is not working. Instead of the downloading the requested file, it downloads a HTML file that says, "Authentication Required!" I'm not sure what the problem is. I've tried both of these (with the same result). The username and password are correct (and if the link below is used in a web browser, the file downloads successfully). 1) The username and password are included as part of the URL. curl https://username:[email protected]/auth/file.dmg --O /file.dmg; 2) The username and password are included as an option. curl -u username:wordpass.1 https://www.example.com/auth/file.dmg --O /file.dmg;

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• Installing checkinstall on x86_64 bit

  - by SephMerah

  I downloaded the source for check install. checkinstall-1.6.2.tar.gz. I then tar -xzvf checkinstall-1.6.2.tar.gz Then I make. It prints this error: [root@ip-50-63-180-135 checkinstall-1.6.2]# make for file in locale/checkinstall-*.po ; do \ case ${file} in \ locale/checkinstall-template.po) ;; \ *) \ out=`echo $file | sed -s 's/po/mo/'` ; \ msgfmt -o ${out} ${file} ; \ if [ $? != 0 ] ; then \ exit 1 ; \ fi ; \ ;; \ esac ; \ done make -C installwatch make[1]: Entering directory `/home/sofiane/checkinstall-1.6.2/installwatch' gcc -Wall -c -D_GNU_SOURCE -DPIC -fPIC -D_REENTRANT -DVERSION=\"0.7.0beta7\" installwatch.c installwatch.c:2942: error: conflicting types for 'readlink' /usr/include/unistd.h:828: note: previous declaration of 'readlink' was here installwatch.c:3080: error: conflicting types for 'scandir' /usr/include/dirent.h:252: note: previous declaration of 'scandir' was here installwatch.c:3692: error: conflicting types for 'scandir64' /usr/include/dirent.h:275: note: previous declaration of 'scandir64' was here make[1]: *** [installwatch.o] Error 1 make[1]: Leaving directory `/home/sofiane/checkinstall-1.6.2/installwatch' make: *** [all] Error 2 I searched extensively on this issue and this solution looks promising. Should I attempt to install checkinstall as an fpm? What would be the best way to go about that? Centos 6.3 x86_64

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• Amazon EC2 tools for Debian?

  - by Jonik

  What is the recommended way of getting command-line Amazon EC2 tools on Debian? So, basically the same as this question, but for EC2 instead of S3. Ubuntu has ec2-ami-tools and ec2-api-tools, but I couldn't find equivalent packages for Debian. A blog post titled "Install EC2 AMI & API tools in Debian" talks about installing Amazon's packages outside package management, but that seems a little clumsy.

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• How to make VirtualBox headless answer on rdp port?

  - by stiv

  I'd like to run windows xp on RDP: $ VBoxManage modifyvm winxp32 --vrdeport 3389 $ VBoxHeadless -s winxp32 -v on Oracle VM VirtualBox Headless Interface 4.1.18_Debian (C) 2008-2012 Oracle Corporation All rights reserved. (waiting) in another window: $ telnet localhost 3389 Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused Yes, I've read about extension: $ sudo VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-4.1.20-80170.vbox-extpack 0%... Progress state: NS_ERROR_FAILURE VBoxManage: error: Failed to install "Oracle_VM_VirtualBox_Extension_Pack-4.1.20- 80170.vbox-extpack": Extension pack 'Oracle VM VirtualBox Extension Pack' is already installed. In case of a reinstallation, please uninstall it first Looked through all manuals and all help requests. No success. What's wrong? Any ideas?

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• How To Investigate/Restore MySQL Permissions? MySQL ERROR 1045 (28000): Access denied for user

  - by Recc

  ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) Debian. mysqld is listening on 3306 supposedly Telnet to 3306 works Also tried binding it specifically yo localhost and then 127.0.0.1 which made no difference However: # netstat -ln | grep mysql unix 2 [ ACC ] STREAM LISTENING 78993 /var/run/mysqld/mysqld.sock # mysql -P3306 -ptest ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) Things I've tried: dpkg-reconfigure mysql-server-5.1 Doesn't help http://www.debian-administration.org/articles/442 Doesn't help This command (source): UPDATE mysql.user SET Password=PASSWORD('MyNewPass') WHERE User='root'; FLUSH PRIVILEGES; Doesn't help, in fact: Query OK, 0 rows affected (0.00 sec) Rows matched: 0 Changed: 0 Warnings: 0 So might the user be deleted? Extremely unlikely as all this started after packages update a colleague did and some separate services started screwing around but my colleague said he removed the offenders. Theres more: while # mysqld_safe --skip-grant-tables is running one can access the data tables, only with the valid passwords! So there's users and some authentication takes place hence the 0 rows affected above. Can the privileges tables be damaged somehow and how can I recreate/restore them when my only way of getting a mysql console is to skip them? Can I spare my reinstall of MySQL? Either way I did get a dump of the DBs now that I could get in with the above mode.

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• External monitor image not centered in the screen

  - by kemp

  I'm using Xorg 7.5 on a Radeon HD4870 with the FOSS radeonhd server on my HP 6830s. The laptop has a VGA connector and I attach it to a 37" panasonic plasma TV. It works fine except for a little annoyance: when activated, the TV screen is set to the resolution of 1360x768 (which it reports as being the highest it supports) but all the image is shifted by about 100 pixels to the right. I can't see the leftmost part of the page, and I have a black vertical bar to the right. If I change the resolution to 1024x768 there is no shifting, the image fills the entire screen with no parts hidden, but at this resolution the image is stretched. How can I tune the position on the external monitor so that the image is centered in the screen filling it entirely?

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• .desktop shortcuts aren't working for java applications in LXDE

  - by chaz

  I just installed minecraft on my LXDE desktop/Lubuntu machine and I'm trying to create a .desktop file on the desktop that executes java -jar ~/minecraftlauncher.jar. The command works in bash scripts and the terminal but refuses to work when I click on my .DESKTOP shortcut which is suppose to execute the same command. I've experimented with other jars and they can't seem to start too. Here is my xsession log: ** (pcmanfm:1572): DEBUG: launch command: <java -jar ~/Downloads/minecraft_server.jar> ** (pcmanfm:1572): DEBUG: sn_id = pcmanfm-1572-administrator-Dimension-3000-java-14_TIME14031891 Unable to access jarfile ~/Downloads/minecraft_server.jar ** (pcmanfm:1572): DEBUG: launch command: <java -jar ~/minecraftlauncher.jar> ** (pcmanfm:1572): DEBUG: sn_id = pcmanfm-1572-administrator-Dimension-3000-java-15_TIME14070158 Unable to access jarfile ~/minecraftlauncher.jar UPDATE: Whoops, it seems to work when I give an absolute path. I guess the home path is something else. UPDATE: I guess X doesn't resolve the home specifier. I ran a .desktop file that executed a script that outputs the current directory, and it seems to be correct.

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• How can I remove all the files which has a string in a file

  - by michael

  Hi, I am trying to remove all the files in a directory hierarchy which a certain string inside the file (not the file name, it is the file content). I can list out all the file name which has a string in the file using 'grep -r -l mystringlooking for'. But how can I remove all the files returned by the grep ? I am trying this on ubuntu. Thank you.

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• Unable to boot fedora 11

  - by csunwold

  I have been running fedora 11 for several months without a hiccup, but two days ago I ran "yum update" and installed whatever updates were available (I didn't pay attention to what they were). I was having problems with mysql so I tried "yum remove mysql" and then it removed mysql as well as quite a few unexpected dependencies. I then "yum install mysql" without a hitch and went about my way. However, when I next booted up my machine it got to "Starting preload dameon [OK]" and then it hangs with a flashing cursor on the screen. I tried following http://dailypackage.fedorabook.com/i...ling-Grub.html but it didn't seem to make any difference. I put a new hard drive with WinXP on it into the same machine that I booted to, and I tried to use Ext2 Installable File System for Windows but when I run it, it only seems to see /boot and nothing else on the hard drive. Any ideas?

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• Create XFS volume on /dev/sg* device

  - by cpt.Buggy

  Now I have couple of Supermicro 24x2Tb SATA servers and I have now idea how to get access to disks. I need to create XFS volume on each of them but really don't know how to do it, because fdisk doesn't see them. # sg_scan -i /dev/sg0: scsi0 channel=0 id=0 lun=0 [em] ATA ST3250318AS CC38 [rmb=0 cmdq=0 pqual=0 pdev=0x0] /dev/sg1: scsi1 channel=0 id=0 lun=0 [em] ATA ST3250318AS CC38 [rmb=0 cmdq=0 pqual=0 pdev=0x0] /dev/sg2: scsi6 channel=1 id=8 lun=0 [em] Hitachi HDS722020ALA330 JKAO [rmb=0 cmdq=1 pqual=1 pdev=0x0] ... ... ... /dev/sg25: scsi6 channel=1 id=31 lun=0 [em] Hitachi HDS722020ALA330 JKAO [rmb=0 cmdq=1 pqual=1 pdev=0x0] /dev/sg26: scsi6 channel=3 id=0 lun=0 [em] LSILOGIC SASX36 A.1 7017 [rmb=0 cmdq=1 pqual=0 pdev=0xd] # sg_map /dev/sg0 /dev/sda /dev/sg1 /dev/sdb /dev/sg2 .. ... ... /dev/sg25 /dev/sg26 I can't use fdisk and mkfs, what should I do?

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• Assign fixed IP address via DHCP by DNS lookup

  - by Janoszen

  Preface I'm building a virtualization environment with Ubuntu 14.04 and LXC. I don't want to write my own template since the upgrade from 12.04 to 14.04 has shown that backwards compatibility is not guaranteed. Therefore I'm deploying my virtual machines via lxc-create, using the default Ubuntu template. The DNS for the servers is provided by Amazon Route 53, so no local DNS server is needed. I also use Puppet to configure my servers, so I want to keep the manual effort on the deployment minimal. Now, the default Ubuntu template assigns IP addresses via DHCP. Therefore, I need a local DHCP server to assign IP addresses to the nodes, so I can SSH into them and get Puppet running. Since Puppet requires a proper DNS setup, assigning temporary IP addresses is not an option, the client needs to get the right hostname and IP address from the start. Question What DHCP server do I use and how do I get it to assign the IP address based only on the host-name DHCP option by performing a DNS lookup on that very host name? What I've tried I tried to make it work using the ISC DHCP server, however, the manual clearly states: Please be aware that only the dhcp-client-identifier option and the hardware address can be used to match a host declaration, or the host-identifier option parameter for DHCPv6 servers. For example, it is not possible to match a host declaration to a host-name option. This is because the host-name option cannot be guaranteed to be unique for any given client, whereas both the hardware address and dhcp-client-identifier option are at least theoretically guaranteed to be unique to a given client. I also tried to create a class that matches the hostname like this: class "my-client-name" { match if option host-name = "my-client-name"; fixed-address my-client-name.my-domain.com; } Unfortunately the fixed-address option is not allowed in class statements. I can replace it with a 1-size pool, which works as expected: subnet 10.103.0.0 netmask 255.255.0.0 { option routers 10.103.1.1; class "my-client-name" { match if option host-name = "my-client-name"; } pool { allow members of "my-client-name"; range 10.103.1.2 10.103.1.2; } } However, this would require me to administer the IP addresses in two places (Amazon Route53 and the DHCP server), which I would prefer not to do. About security Since this is only used in the bootstrapping phase on an internal network and is then replaced by a static network configuration by Puppet, this shouldn't be an issue from a security standpoint. I am, however, aware that the virtual machine bootstraps with "ubuntu:ubuntu" credentials, which I intend to fix once this is running.

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• What's the issue with this Samba setup?

  - by Dan Nestor

  I asked this on superuser, but I realized that may be the wrong place. I am duplicating the question here, I hope this is allowed. I am trying to share a directory through samba. In smb.conf I have the following: [global] workgroup = WORKGROUP security = user passdb backend = tdbsam netbios name = <hostname> [share_name] path = </path/to/share> writable = yes valid users = <username> <username>, the user in question, is the owner of directory /path/to/share. Permissions on the directory are 755. If I try to connect from another computer, the connection attempt is unsuccessful (I assume it's an authentication error, because it re-prompts me for the password). The client requires a domain name for authentication, I tried both WORKGROUP and the hostname/netbios name of the samba server. Samba logs on the server have no mention of the failed connection attempt. Firewall on the server is down. What am I doing wrong? Update: have since run smbpasswd -a <username> and now I am getting a clear error message, "not enough permissions to view contents of share".

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• Trying to limit IMAP folders/mailboxes my iPhone/iPad sees

  - by QuantumMechanic

  (Note: I am using dovecot 1.0.10 on Ubuntu 8.04.4 LTS. Yes, I know I need to upgrade before next year :) (Note: The SMTP/IMAP server in question only serves my family, so there's only a very few users. Certainly what I propose below, even it it works, would be a logistical nightmare with any significant number of users). I have noticed (and have confirmed via google) that the iOS mail app is terrible in its handling of IMAP subscriptions, namespaces, etc. For example, my iPhone and iPad will see EVERYTHING (all mailboxes, folders, etc.), whereas clients like Thunderbird, alpine, etc. only see what I tell them to see. This makes it an incredible pain to move mail between mailboxes because I have to scroll through a gazillion things. The mail_location in dovecot.conf is: mail_location = mbox:%h/Mail/:INBOX=/var/mail/%u To get around this, I've been considering doing the following for user foo: Create a dovecot userdb with a foo-ios virtual user in it, whose UID is identical to that of the real (in /etc/passwd) foo user and with a homedir of /home/foo-ios. ln -s /var/mail/foo /var/mail/foo-ios mkdir -p /home/foo-ios/Mail cd /home/foo-ios/Mail ln -s /home/foo/Mail/mailbox-i-want-visible mailbox-i-want-visible Make symlinks for the rest of limited set of mailboxes/folders I want visible to the iOS mail app. chown -R foo:foo /home/foo-ios Change iOS mail app settings to log in as user foo-ios instead of user foo. Will this work or will there be some index/file corruption hell because there will be two sets of indexes (one set living in /home/foo/Mail/.imap and other set living in /home/foo-ios/Mail/.imap) indexing the same underlying mbox files? And I'd be more than happy to hear of a better way to do this with dovecot! (Or to hear that dovecot 2.x works better with iOS devices).

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• Setting background color in gvim

  - by petersohn

  I use a terminal with white text on black background (I just like it better), so I wrote the following line in my .vimrc file: set background=dark However, gvim has black on white text. How do I do either of the following: Set the background of gvim to black Check in .vimrc if I'm using gvim I tried this: I started up gvim, and typed echo &term. The answer was "builtin_gui". So I wrote the following into .vimrc: if &term == "builtin_gui" set background=light else set background=dark endif Somehow, it didn't work.

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• How do I clear out the ssh-agent entries (on Mac OS X )?

  - by cwd

  I'm running Mac OS X, and it appears that after SSHing to several machines, using identity files, my 'ssh-agent' builds up a lot of identity / keys and then sometimes offers too many to a remote machine, causing them to kick me off before connecting: Received disconnect from 10.12.10.16: 2: Too many authentication failures for cwd It's pretty obvious what's happening, and this page talks about it in more detail: SSH servers only allow you to attempt to authenticate a certain number of times. Each failed password attempt, each failed pubkey/identity that is offered, etc, take up one of these attempts. If you have a lot of SSH keys in your agent, you may find that an SSH server may kick you out before allowing you to attempt password authentication at all. If this is the case, there are a few different workarounds. Rebooting clears the agent and then everything works OK again. I can also add this line to my .ssh/config file to force it to use password authentication: PreferredAuthentications keyboard-interactive,password Anyhow, I saw the note on the page I referenced talking about deleting keys from the agent, but I'm not sure if that applies on a Mac since they appear to be cleared after reboot anyhow. Is there a simple way to clear out all keys in the 'ssh-agent' (the same thing that happens at reboot)?

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• FreeNAS - how to "Exclude from file" in Rsyncd (GUI)

  - by user179181

  I am trying to set rsync tasks to Pull user profiles from 11 Windows machines running DeltaCopy Server and then configure ZFS periodic snapshot tasks for a backup solution. So far this has been working fine, although i would like to exclude certain file types like .DAT or NTUSER.DAT. My Exclusion file resides on the local ZFS Dataset (Receiving side) and is as follows: Temp Temporary Internet Files NTUSER.DAT NTUSER.DAT.LOG *.dat *.tmp *.DAT.log *.ost *.pst The command i typed under Auxiliary Parameters (Rsyncd Global Conf under services)is as follows: exclude from = /mnt/Storage/User_Profiles/exclude.txt Ive tried deleting the .DAT files from the receiving end and just as i start to get excited i click refresh and there they are again

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• mod_ntlm for RHEL 5.3

  - by vikasa

  I tried to compile mod_ntlm for Oracle HTTP Server but got all sorts of errors, can someone point me to a pre-compiled binary? Tried everything at http://wiki.bestpractical.com/view/NtlmAuthentication still no go Thanks

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• How can I sort du -h output by size

  - by Tom Feiner

  I need to get a list of human readable du output. However, du does not have a "sort by size" option, and piping to "sort" doesn't work with the human readable flag. For example, running: du | sort -n -r Outputs a sorted disk usage by size (descending): du |sort -n -r 65108 . 61508 ./dir3 2056 ./dir4 1032 ./dir1 508 ./dir2 However, running it with the human readable flag, does not sort properly: du -h | sort -n -r 508K ./dir2 64M . 61M ./dir3 2.1M ./dir4 1.1M ./dir1 Does anyone know of a way to sort du -h by size?

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• What kernel modules are required for wi-fi to work?

  - by Leonid Shevtsov

  My custom-built 2.6.32 kernel cannot connect to any WPA-protected network. The kernel includes (probably?) everything that should be needed for wifi, including IPv4 network support (IPv6 is disabled), the ath5k wireless driver (which is used in the generic Ubuntu 2.6.31 kernel) and all crypto APIs. The card is being detected, however, iwlist scan returns wlan0 Failed to read scan data : Network is down and network-manager log says <info> (wlan0): driver supports SSID scans (scan_capa 0x01). <info> (wlan0): new 802.11 WiFi device (driver: 'ath5k') <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/1 <info> (wlan0): now managed <info> (wlan0): device state change: 1 -> 2 (reason 2) <info> (wlan0): bringing up device. <info> (wlan0): preparing device. <info> (wlan0): deactivating device (reason: 2). supplicant_interface_acquire: assertion `mgr_state == NM_SUPPLICANT_MANAGER_STATE_IDLE' failed <info> modem-manager is now available <WARN> default_adapter_cb(): bluez error getting default adapter: The name org.bluez was not provided by any .service files <info> Trying to start the supplicant... <info> (wlan0): supplicant manager state: down -> idle <info> (wlan0): device state change: 2 -> 3 (reason 0) <WARN> nm_supplicant_interface_add_cb(): Unexpected supplicant error getting interface: wpa_supplicant couldn't grab this interface. The exact same configuration works with the generic kernel. Is anything except wifi and crypto api needed for wi-fi to work?

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• How to change a physical partition system to LVM?

  - by Daniel Hernández

  I have a server with Debian that have 3 physical partitions covering all the disk: boot, root y swap. Now I want to replace that partitions with LVM partitions. I know how install Debian with LVM at beginning, but in this case I can't install the system at beginning because the provider gets me a server with remote access and the system installed in this way. How can I change that partitions using only an ssh connection and possibly other remote server where to put some temporal data?

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• Is one type of options to ps preferred?

  - by Jim

  GNU ps supports BSD-style options, UNIX-style options, and GNU long options. Is using one of these types (in scripts and at the command line) preferred over the others? I get the impression from the manpage that the functionality of the option styles does not overlap completely.

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• Remapping characters in xmodmap

  - by Jacob R

  I am using a Swedish keyboard, and I want to be able to type braces easier. I planned to map AltGr + å to '}' and AltGr + ä to '{'. However, nothing really changes. I have some other stuff in my .Xmodmap so I know that it gets loaded allright. Here's what I have so far: keycode 35 = slash asciitilde dead_ogonek section dead_ogonek section keycode 49 = asciicircum onehalf keycode 66 = F10 clear Lock keycode 34 = aring Aring braceleft keycode 48 = adiaeresis Adiaeresis braceright where the 2 last lines are the one that should be related to this. What could I be doing wrong?

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• "success=n" control syntax in pam.conf / pam.d/* files ...

  - by Jamie

  After sucessfully configuring Kerberos, this is what I've found in /etc/pam.d/common-auth file: auth [success=2 default=ignore] pam_unix.so nullok_secure auth [success=1 default=ignore] pam_winbind.so krb5_auth krb5_ccache_type=FILE cached_login try_first_pass auth requisite pam_deny.so auth required pam_permit.so Does the success=2 control value mean that if the pam_unix.so fails, the authentication skips to the auth requisite pam_deny.so line or to the last line?

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