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  • *nix: Run as different user GUI

    - by singpolyma
    I want to run an application using only GUI as a different user. Not root. I want the user to be presented with a dropdown of system users, select one, enter the password, and the app gets run as that user. Like gksudo but user to run as specified in GUI and not as switch. Does such an app exist?

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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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  • Script for checking the nologin accounts and then disable the account

    - by suma
    "Could you please share the scripts which does the below ?" I have written a script that scans all the relevent logs daily, makes a list of people that have had any activity that day, and maintains database (just a text file) of users and the last time they logged in. Then I have a second script that examines the database for dates more than x days ago, an notifies the user and administrator 2 weeks prior to locking the account. And if there are any dates more than x+y days ago, deletes the account altogether. This seems to be working for me - but I would like to use a non-proprietary solution if one is available. "Could you please share the scripts?"

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  • Middle mouse click in VirtualBox (Vista host, Debian guest)

    - by Ken
    I'm running Virtualbox on Windows Vista. I have a Microsoft USB mouse (it says "Comfort Optical Mouse 3000") with left and right buttons, and a mousewheel in the middle. If I press down on the wheel, it pretty obviously makes a "click". I'm running Debian inside Virtualbox, and it's working great, but middle-mouse-click does nothing. Left and right click, and scrolling with the wheel, work fine. Is there any way to get middle-mouse-click to work in my virtual machine?

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  • Removing DS_Store files and variants?

    - by Ron Gejman
    I am running an Ubuntu 10.04.1 LTS server. Frequently I open up files using AFP from my Mac. Inevitably this created .DS_Store files on the server (although for some reason they are named :2eDS_Store. However, it also creates variants on DS_Store files. These variants are often named similarly to other files in that directory. E.g.: ~$ ls total 60K -rw-r--r-- 1 tarakhovsky 16K 2010-11-30 18:28 :2eDS_Store drwx--S--- 4 tarakhovsky 4.0K 2010-11-08 13:58 :2eTemporaryItems/ lrwxrwxrwx 1 tarakhovsky 15 2010-10-19 17:44 bigdisk -> /media/bigdisk// ... drwxr-xr-x 3 tarakhovsky 4.0K 2010-11-03 18:24 Temporary Items/ drwxr-xr-x 3 tarakhovsky 4.0K 2010-11-30 01:34 tmp/ ... I've disabled creation of DS_Store files using: defaults write com.apple.desktopservices DSDontWriteNetworkStores true so hopefully this won't continue to occur—but I really want to get rid of all of the existing variants of DS_Store files already on the server. Any ideas as to why these variants are being created and how I can get rid of them all?

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  • Authenticate Teamcity against LDAP using StartTLS

    - by aseq
    I am running a 6.5 version of Teamcity on a Debian Squeeze server and I use OpenLDAP to authenticate users. I know I can use LDAPS to be able to use encrypted password authentication, however this has been deprecated by the OpenLDAP developers, see: http://www.openldap.org/faq/data/cache/605.html I would like to know if there is a way to configure LDAP authentication in Teamcity to use StartTLS on port 389. I can't find anything about it here: http://confluence.jetbrains.net/display/TCD65/LDAP+Integration Or here: http://therightstuff.de/2009/02/02/How-To-Set-Up-Secure-LDAP-Authentication-With-TeamCity.aspx

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  • OpenVZ vs KVM for Linux VMs

    - by Eliasdx
    Hardware: Intel® Core™ i7-920, 12 GB DDR3 RAM, 2 x 1500 GB SATA-II HDD (no SoftRaid because Proxmox developers don't support softraid and they are sure you'll run into problems) Software: Proxmox VE with KVM and OpenVZ support and debian everywhere I want to run multiple Linux VMs on this server. One for a firewall (I want to try pfSense), one for MySQL, one VM for nginx (my stuff) and ~2 VMs with nginx for other people's web sites. I don't think that pfSense will run in an OpenVZ environment but it should run in KVM. The question is if I should setup the other VMs using KVM or OpenVZ. In OpenVZ they should have less overhead for the OS itself but I don't know about the performance. I heard that KVM is more stable but needs more RAM and CPU. I found this diagram showing a OpenVZ setup on the same hardware I'm using. This guy uses an own VM for each and every website which is running on his server. I can't think of any advantage why he's using so many VMs.

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  • Solr startup script problem

    - by Camran
    I have installed solr and it works finally... I have now problems setting it up to start automatically with a start command. I have followed a tutorial and created a file called solr in the /etc/init.d/solr dir... Here is that file: #!/bin/sh -e # SOLR auto-start # # description: auto-starts solr engine # processname: solr-production # pidfile: /var/run/solr-production.pid NAME="solr" PIDFILE="/var/run/solr-production.pid" LOG_FILE="/var/log/solr-production.log" SOLR_DIR="/etc/jetty" JAVA_OPTIONS="-Xmx1024m -DSTOP.PORT=8079 -DSTOP.KEY=stopkey -jar start.jar" JAVA="/usr/bin/java" start() { echo -n "Starting $NAME... " if [ -f $PIDFILE ]; then echo "is already running!" else cd $SOLR_DIR $JAVA $JAVA_OPTIONS 2> $LOG_FILE & sleep 2 echo `ps -ef | grep -v grep | grep java | awk '{print $2}'` > $PIDFILE echo "(Done)" fi return 0 } stop() { echo -n "Stopping $NAME... " if [ -f $PIDFILE ]; then cd $SOLR_DIR $JAVA $JAVA_OPTIONS --stop sleep 2 rm $PIDFILE echo "(Done)" else echo "can not stop, it is not running!" fi return 0 } case "$1" in start) start ;; stop) stop ;; restart) stop sleep 5 start ;; *) echo "Usage: $0 (start | stop | restart)" exit 1 ;; esac Whenever I do solr -start I get this error: "Error occurred during initialization of VM Could not reserve enough space for object heap" I think this is because of the file above... Also here is where I have solr installed: var/www/solr and here is the start.jar file located: var/www/start.jar Help me out if you know whats causing this. Thanks BTW: OS is ubuntu 9.10

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  • Fedora 15: em1 recently dissapeared and hostapd no longer serves internet to wirelessly connected devices

    - by Daniel K
    I have a laptop running hostapd, phpd, and mysql. This laptop uses an Ethernet connection to connect to the internet and acts as a wireless access point for my workplace's wifi devices. After installing some software and reconnecting my Ethernet elsewhere, my "em1" device is no longer present and wirelessly connected devices can no longer reach the internet. The software I recently installed is: pptp, pptpd, and updated some fedora libraries. I have also recently moved my desk and laptop to another location and thus had to reconnect the Ethernet elsewhere. Wifi devices no longer have access to the internet. Wirelessly connected devices are able to successfully log into the laptop, showing full strength, correct SSID, and uses the proper password. However, when I tried to connect to a site like google, the request times out. The device "em1" also no longer appears on my machine. Running: # ifup em1 will give me the following output: ERROR : [/etc/sysconfig/network-scripts/ifup-eth] Device em1 does not seem to be present, delaying initialization. And running: # dhclient em1 has the following output: Cannot find device "em1" When I run # dmesg|grep renamed, I get the following: renamed network interface eth0 to p4p1. I've tried to connect to the internet through p4p1 directly from the laptop and was successful. However, my wireless devices connected to my laptop are not able to connect to the internet. I have uninstalled pptp and pptpd using # yum erase ... but the problem still persists. To install pptp I used: # yum install pptp To install pptpd I did the following: # rpm -Uvh http://poptop.sourceforge.net/yum/stable/fc15/pptp-release-current.noarch.rpm # yum install pptpd To update my fedora libraries I used: # yum check-update # yum update EDIT: Running # route produces the following results: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default 10.11.200.1 0.0.0.0 UG 0 0 0 p4p1 10.11.200.0 * 255.255.252.0 U 0 0 0 p4p1 172.16.100.0 * 255.255.255.0 U 0 0 0 wlan0

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  • Recommended way to restrict Apache users

    - by Dor
    Following on why should we restrict Apache users, another two questions arises: What is the recommended method of restricting the places Apache users can traverse & read in the file system? What to do against fork bombs and other shell scripting problems? (bash scripting is allowed) My possible solutions (I prefer to know which solution you choose and why): chroot OR mod_chroot disable bash OR use Restricted BASH Please offer another solutions if you find appropriate. (perhaps selinux is?) Current status: Users are allowed to executed bash scripts (via PHP for example) suexec is active Apache requested are served with FastCGI for PHP

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  • Linux Mint 14 disponible en Release Candidate, "Nadia" sort avec Nemo le fork de Nautilus, les bureaux Cinnamon 1.6 et Mate 1.4

    "Nadia" : Linux Mint 14 disponible en Release Candidate avec Nemo, le fork de Nautilus les bureaux Cinnamon 1.6 et Mate 1.4 [IMG]http://www.franck-depan.fr/images/logo/systemes-exploitation/linux/distribution-mint/mint-logo.png[/IMG] L'équipe de développement de GNU/Linux Mint annonce la Release Candidate de la quatorzième version de sa distribution fondée sur Ubuntu Voici une brève liste des nouveautés :Mate 1.4 Cinnamon 1.6 Mint Desktop Manager Software Manager améliorations système Mate 1.4 Mate 1.4 renforce non seulement la...

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  • Extract specific files in a tar archive using a wildcard

    - by AdrieanKhisbe
    I'm tring for a script to extract only jpeg pictures from an archive containing maky kind of files. To do so I tried first to use: tar -xf MyTar.tar *.jpg but it failed (*.jpg not found) and suggest me to use "--wildcard". So I tried tar -xf MyTar.tar --wildcard *.jpg I did that, but then the same error and a different warning saying yo me that the option "--wildcard" is ambigious. I've been over the manuel pages for tar, but didn't find a clue about the problem thanks

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  • syslog ip ranges to specific files using `rsyslog`

    - by Mike Pennington
    I have many Cisco / JunOS routers and switches that send logs to my Debian server, which uses rsyslogd. How can I configure rsyslogd to send these router / switch logs to a specific file, based on their source IP address? I do not want to pollute general system logs with these entries. For instance: all routers in Chicago (source ip block: 172.17.25.0/24) to only log to /var/log/net/chicago. all routers in Dallas (source ip block 172.17.27.0/24) to only log to /var/log/net/dallas. Finally, these logs should be rotated daily for up to 30 days and compressed. NOTE: I am answering my own question

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  • How to free up block device that is mounted to an inaccessible place?

    - by Vi
    root@vi-notebook:~# cat /proc/mounts | grep raidy /dev/md0 /root/e/i/wpc2/boot/mnt/raidy reiserfs ro,nosuid,nodev,noexec,noatime 0 0 root@vi-notebook:~# umount -n /root/e/i/wpc2/boot/mnt/raidy umount: /root/e/i/wpc2/boot/mnt/raidy: Transport endpoint is not connected root@vi-notebook:~# mount /dev/md/raidy /mnt/raidy/ -t reiserfs -o nodev,nosuid,noexec,acl,noatime mount: /dev/md0 already mounted or /mnt/raidy/ busy The only workaround I found is: root@vi-notebook:~# losetup /dev/loop0 /dev/md/raidy root@vi-notebook:~# mount /dev/loop0 /mnt/raidy/ -t reiserfs -o nodev,nosuid,noexec,acl,noatime

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  • df shows negative values for used

    - by GriffinHeart
    Hey everyone, first question around here. I have a centos 5.2 server and running df -h i get this: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 672G -551M 638G 0% / /dev/hda1 99M 12M 82M 13% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm that space wasn't even near 10% usage the last time it showed a correct value, i'm at a loss with whats going on. Thanks.

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  • Why won't apache load a symlinked file from conf.d?

    - by kdt
    I have an apache configuration file which works fine when it's placed directly in /etc/httpd/conf.d/foo.conf. However, when I move the same file somewhere else (for example, move it to /tmp/foo.conf) and then create a symlink with ln -s /tmp/foo.conf /etc/httpd/conf.d then apache fails on startup with: httpd: could not open document config file /etc/httpd/conf.d/foo.conf I've tried making the file and the symlink mode 777, and tried changing them to be owned by the apache user. It seems like apache is failing to load the file purely on the basis of it being a symlink, but I'm sure I've used symlinks successfully on other machines. Is there something I'm missing? Does apache have an option for refusing to load config files if they're symlinks? The operating system is CentOS 4.4, apache version 2.0.52.

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  • Configure host access rights in OpenLDAP

    - by Anonymous Coward
    I've set up an OpenLDAP-Server to authenticate users to our Ubuntu-servers. The authentication works quite well but I'd like to restict the user's access to certain servers. I know this can be done through nss_base_something in the client's ldap.conf. However, this requires the group restrictions to be specified on the client. I wonder if the restrictions can be set completely in OpenLDAP. If it is, I'd like to know how. Thanks, AC

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  • Enable gzip on Nginx

    - by Rob Wilkerson
    Yes, I know that there are a lot of other questions that seem exactly like this out there. I think I must've looked all of them. Twice. In desparation, I'm adding another in case my specific configuration is the issue. Bear with me. First, the question: What do I need to do to get gzip compression to work? I have an Ubuntu 12.04 server installed running nginx 1.1.19. Nginx was installed with the following packages: nginx nginx-common nginx-full The http block of my nginx.conf looks like this: http { include /etc/nginx/mime.types; access_log /var/log/nginx/access.log; sendfile on; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_disable "msie6"; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; } Both PageSpeed and YSlow are reporting that I need to enable compression. I can see that the request headers indicate Accept-Encoding:gzip,deflate,sdch, but the response headers do not have the corollary Content-Encoding header. I've tried various other config values (gzip_vary on, gzip_http_version 1.0, etc.), but no joy. As far as I know, I can only assume that nginx was compiled with compression support, but if there's any way to verify that, I'd love to know. If anyone sees anything I'm missing or can suggest further debugging, please let me know. I'm no sysadmin and I'm new to Nginx so I've exhausted everything I can think of or have read. Thanks.

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  • Getting Pango-WARNING: Invalid UTF-8 string passed to pango_layout_set_text()

    - by geerlingguy
    About three days ago, I noticed the exim mailqueue started filling up on one of my servers, and upon inspecting some of the emails using # exim -Mvb $ID, I noticed they were being sent to some system email address (which is not a real address), and the body of the messages were as follows: (process:8259): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text() I'm wondering what could be causing this strange issue, as I've never heard of 'pango' at all... I've never seen that function used in my lifetime! It seems the process id (PID) is for an apache process, though, as the pids are always gone by the time I use # ps -aux to look them up. Edit: Whoops! Forgot to include the subject - looks like it's actually munin-cron that's bringing up the issue: Subject: Cron /usr/bin/munin-cron --force-root

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  • Users in ubuntu; Cant figure it out

    - by Camran
    I am the only one who will have access to my website. Just installed my VPS and managed to get most stuff working. However, stuck on the "members" part. Currently, everything has been done as "root". I have read posts that I should create a user, because root isn't ideal. I have found thousand guides on how to create a user, but now what to do next. 1- Should I create a user with adduser username and then add the user to a group? But which group? 2- And will the user then be able to do everything as I have done logged on as "root"? 3- And somebody plz explain what "sudo" has to do with this? (if anything at all) Thanks

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  • Tab Completion In Emacs shell-mode SSH Sessions

    - by Sean M
    My current use pattern of emacs results in my having several shell-mode buffers open, each running an ssh session. I am running into an issue with this, though - when I try to tab-complete file names and other things in my remote session, the shell attempts to use completions available on the local machine instead of on the remote machine. For example, if the file ~/foobar exists on the local machine and ~/frob exists on the remote machine, typing in ~/f and pressing tab results in ~/foobar instead of completing correctly. If I use ssh outside of emacs and try the same thing, I get the correct completion of ~/frob instead. How can I get tab-completion to complete the way it does in normal ssh sessions ?

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  • Lesser known Ubuntu desktop applications

    - by becomingGuru
    So, this Ubuntu software center comes with 100s of applications of all types. In this version they have disabled rating, making it hard to find how good it is. I found gnome-shell today, that seemed awesome. There are other ones, less well known, For eg, Abiword is far better than Open Office Org Word processor in many ways. (Altho' I dont like word processors themselves.) What are the other less well known applications that you use and like. One application per answer.

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