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  • Simple tool to graph memory usage?

    - by dbr
    Is there a script that will show memory usage as a graph, for example as a pie-chart, with each process being being a separate slice? I'm not looking for something like Munin to graph memory usage over time, but rather show the memory usage per-process at a single point in time. To make my request even more obscure, it is for a headless server (so no X applications). The simplest way would be to write a PNG file, or possibly an HTML file (which could use Javascript to allow the filtering of processes, changing between graph-types and so on)

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  • Hylafax: Encounter "No font metric information" when try to send a fax

    - by Chau Chee Yang
    I am using Hylafax 6.0.5 on Fedora 13 x86_64. As there are no rpm package available for Fedora 13, I use the source tar ball to install hylafax myself. Everything seems fine during compile and install. I try to send a fax with sendfax and encounter error: # sendfax -n -d <fax-number> /etc/passwd /usr/local/sbin/textfmt: No font metric information found for "Courier-Bold". Usage: /usr/local/sbin/textfmt [-1] [-2] [-B] [-c] [-D] [-f fontname] [-F fontdir(s)] [-m N] [-o #] [-p #] [-r] [-U] [-Ml=#,r=#,t=#,b=#] [-V #] files... >out.ps Default options: -f Courier -1 -p 11bp -o 0 Error converting document; command was "/usr/local/sbin/textfmt -B -f Courier-Bold -Ml=0.4in -p 11 -s default >'/tmp//sndfaxp5GdJ9' <'/etc/passwd'" It seems like there is problem with font problem. I have ghostscript-fonts installed too. I can't find hyla.conf in path /etc/hylafax. There is no /etc/hylafax path in my file system. All configuration files seems located in /var/spool/hylafax/etc. Please advice. Thank you.

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  • Failures when copying between two external drives on the same controller

    - by Krzysztof Kosinski
    I'm encountering a weird problem which is present both on Ubuntu 9.10 and 10.04, on two different machines. When trying to copy between two external drives connected to the same USB controller, the transfer will randomly hang at some random time (after copying 300MB, 1GB, 10GB - it doesn't appear to depend on the dataset being copied). The hang appears to happen faster in 10.04. It appears to happen slower if both drives are connected to a hub. If the drives are connected to 2 distinct physical ports on the machine, the hang will be very fast. Hangs cannot be reproduced if: Data is copied from the first external drive to an internal drive, then to the second external drive Drives are connected to different USB controllers, for example the first one is connected to the built-in controller and the second one via an external PCMCIA controller. lspci says the first machine has an Intel ICH9 USB controller, the second an Intel ICH4. Is this a hardware problem, a kernel problem or a software issue? I used Nautilus when copying the files.

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  • Permission denied message when starting gfs2

    - by sashang
    Can anyone please explain why I get this permission denied error? I try starting the script and it fails with a permission denied message. So I create a copy of it and run that instead and that works. [root@node2 ~]# /etc/init.d/gfs2 stop Unmounting GFS2 filesystem (/drbd): [ OK ] [root@node2 ~]# /etc/init.d/gfs2 start Mounting GFS2 filesystem (/drbd): gfs_controld join connect error: Permission denied error mounting lockproto lock_dlm [FAILED] [root@node2 ~]# cp /etc/init.d/gfs2 /etc/init.d/gfs2_test [root@node2 ~]# /etc/init.d/gfs2_test start Mounting GFS2 filesystem (/drbd): [ OK ] [root@node2 ~]# [root@node2 ~]# ls -l /etc/init.d/gfs2* -rwxr-xr-x. 1 root root 3365 Jan 15 12:11 /etc/init.d/gfs2 -rwxr-xr-x. 1 root root 3365 Jan 15 12:19 /etc/init.d/gfs2_test [root@node2 ~]#

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  • Join mp4 files in linux

    - by Jose Armando
    I want to join two mp4 files to create a single one. The video streams are encoded in h264 and the audio in aac. I can not re-encode the videos to another format due to computational reasons. Also, I cannot use any gui programs, all processing must be performed with linux command line utilities. FFmpeg cannot do this for mpeg4 files so instead I used MP4Box e.g. MP4Box -add video1.mp4 -cat video2.mp4 newvideo.mp4 unfortunately the audio gets all mixed up. I thought that the problem was that the audio was in aac so I transcoded it in mp3 and used again MP4Box. In this case the audio is fine for the first half of newvideo.mp4 (corresponding to video1.mp4) but then their is no audio and I cannot navigate in the video also. My next thought was that the audio and video streams had some small discrepancies in their lengths that I should fix. So for each input video I splitted the video and audio streams and then joined them with the -shortest option in ffmpeg. thus for the first video I ran avconv -y -i video1.mp4 -c copy -map 0:0 videostream1.mp4 avconv -y -i video1.mp4 -c copy -map 0:1 audiostream1.m4a avconv -y -i videostream1.mp4 -i audiostream1.m4a -c copy -shortest video1_aligned.mp4 similarly for the second video and then used MP4Box as previously. Unfortunately this didn't work either. The only success I had was when I joined the video streams separetely (i.e. videostream1.mp4 and videostream2.mp4) and the audio streams (i.e. audiostream1.m4a and audiostream2.m4a) and then joined the video and audio in a final file. However, the synchronization is lost for the second half of the video. Concretelly, there is a 1 sec delay of audio and video. Any suggestions are really welcome.

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  • Updating PHP in CenOS

    - by Reza
    I followed this tutorial to update PHP from 5.3 version to 5.4. My distro is CentOS 5.5. after running following command: yum --enablerepo=remi,remi-test install httpd php php-common I get following error: --> Missing Dependency: php-common = 5.3.13-1.w5 is needed by package php-zts-5.3.13-1.w5.i386 (installed) Error: Missing Dependency: php-common = 5.3.13-1.w5 is needed by package php-zts-5.3.13-1.w5.i386 (installed) Error: php53-common conflicts with php-common 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 The program package-cleanup is found in the yum-utils package. How can I solve this error?

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  • All my files uploaded have unusable permissions

    - by cosmicbdog
    I've just moved to a new server and have come across some strange permissions issues. Every file I upload has permissions of 600, owned by the user account and is also in the same group. With this permission, the server is unable to make changes to these files. The folder I'm uploading to (via regular ftp) has permissions of 755. Why are any new files I upload here given this permission of 600? And how do I change it so that files added are given permissions so they can be modified by the webserver?

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  • Copying files with SSH

    - by Deniz Zoeteman
    I am trying to copy a file from my other computer, to another computer. (both running Ubuntu 9.10) So say: I've ssh'ed into the other computer; i 'cd' to the directory; and i entered cp File.zip /home/me/Desktop as file.zip is located in the directory i just used cd with. Now, it gives me the following error message: cannot create regular file '/home/me/Desktop': no such file or directory What do i have to do?

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  • Configure error when installing php

    - by Emenims
    When installing php I configure it like so: ./configure --prefix=/wwwroot/php --with-apxs2=/wwwroot/bin/apxs --with-configure-file-path=/wwwroot/php --with-mysql --with-gd And a configure error shows up saying this: xml2-config not found. Please check your libxml2 installation. What's this all about? And how settle the problem?

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  • OpenSSH does not accept public key?

    - by Bob
    I've been trying to solve this for a while, but I'm admittedly quite stumped. I just started up a new server and was setting up OpenSSH to use key-based SSH logins, but I've run into quite a dilemma. All the guides are relatively similar, and I was following them closely (despite having done this once before). I triple checked my work to see if I would notice some obvious screw up - but nothing is apparent. As far as I can tell, I haven't done anything wrong (and I've checked very closely). If it's any help, on my end I'm using Cygwin and the server is running Ubuntu 12.04.1 LTS. Anyways, here is the output (I've removed/censored some parts for privacy (primarily anything with my name, website, or its IP address), but I can assure you that nothing is wrong there): $ ssh user@host -v OpenSSH_5.9p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Connecting to host [ipaddress] port 22. debug1: Connection established. debug1: identity file /home/user/.ssh/id_rsa type 1 debug1: identity file /home/user/.ssh/id_rsa-cert type -1 debug1: identity file /home/user/.ssh/id_dsa type -1 debug1: identity file /home/user/.ssh/id_dsa-cert type -1 debug1: identity file /home/user/.ssh/id_ecdsa type -1 debug1: identity file /home/user/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9p1 Debian-5ubuntu1 debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.9 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: sending SSH2_MSG_KEX_ECDH_INIT debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: Server host key: ECDSA 24:68:c3:d8:13:f8:61:94:f2:95:34:d1:e2:6d:e7:d7 debug1: Host 'host' is known and matches the ECDSA host key. debug1: Found key in /home/user/.ssh/known_hosts:2 debug1: ssh_ecdsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/user/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /home/user/.ssh/id_dsa debug1: Trying private key: /home/user/.ssh/id_ecdsa debug1: No more authentication methods to try. Permission denied (publickey). What can I do to resolve my problem?

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  • sudo midnight commander

    - by mit
    I sometimes start midnight commander as superuser with the command sudo mc to do some operations on the current working directory as superuser. But this results in ~/.mc having the wrong permissions, which I need to fix manually. Any solution? Edit: I accepted an answer. I want to further add, that .mc is a directory, so my solution goes like this: $ cd ~ ~$ sudo chown -R mit.mit .mc ~$ chmod 775 .mc ~$ cd .mc ~$ chmod -R 664 .mc ~/.mc$ chmod 775 cedit It seems not to be a good idea after installing mc to use sudo on its first start .

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  • Debugging Samba/CUPS printer sharing with Windows

    - by mrdrbob
    I've got a HP Deskjet hooked up to a Slackware 12.2 box. I've got CUPS set up and can print a test page from the box just fine. I've also got Samba set up and have a couple file shares that work fine. I'm trying to share that HP Deskjet out via Samba, but I can't get it to show up in any Windows system. I see the server and its file shares in Windows networking, but when I open the Printers, no printer shows up. Running net view \\servername from the command line lists the file shares, but no printers. Here's the pertinent part of my smb.conf, if that helps: [global] workgroup = HOMENET security = share hosts allow = 192.168.1. 192.168.2. 127. load printers = yes printcap name = cups printing = cups log file = /var/log/samba.%m max log size = 50 [printers] comment = All Printers path = /var/spool/samba browseable = no public = yes writable = no printable = yes guest only = yes Can anyone give me some pointers as to where to start looking for potential causes? Update: Running testparm shows no errors. Here's the output (minus the file shares): [global] workgroup = HOMENET security = SHARE log file = /var/log/samba.%m max log size = 50 printcap name = cups hosts allow = 192.168.1., 192.168.2., 127. [printers] comment = All Printers path = /var/spool/samba guest only = Yes guest ok = Yes printable = Yes browseable = No

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  • Serve up PC hard drive as USB mass storage

    - by sheepsimulator
    Is there a software package available that can serve up a hard-drive internal to a PC and make it available over USB to other USB Master nodes as mass storage? Ex: take your C: or /dev/hda drive on a PC (let's call the computer PC-A), and run a driver program which makes your C: or /dev/hda drive available to external devices as USB mass storage. When you'd hook up another PC (PC-B) to PC-A via USB, it would detect a USB mass storage device, which is C: or /dev/hda on PC-A. Is this even possible? EDIT: I know that there are other ways of making data on a drive available between two different computers (eg. putting PC-A's hdd in a USB-drive-enclosure, or having PC-A make the hdd available via a network share). But I'd like to know if the method that I describe above is even technically possible.

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  • Can I find which script outputs which error?

    - by ibrahim
    There is a script which calls other scripts and they call others... I don't know exactly which scripts are called and how many of them. I only know that some of them are adding iptables rules and I get this error when I call root script. iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. My problem is that I can not find which script outputs this errors. Is there any way or tool to learn that?

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  • Java issues with Apache 2.0 Agent 2.202 for RHEL5 Linux 64bit

    - by Richard
    In trying to install Apache 2.0 Agent 2.202 for RHEL5 Linux 64bit, the dialogue appears as follows. $ ./setup Error : java is not present in path. Please enter JAVAHOME path to pick up java:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/ Launching installer... Attach to native process failed $ ./setup Error : java is not present in path. Please enter JAVAHOME path to pick up java:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib ./setup: line 80: [: 107:: integer expression expected ./setup: line 83: [: 107:: integer expression expected Error : Incorrect java version (1.2.2 or above is needed). Please enter JAVAHOME path to pick up java: On the server we have the following JREs and I've tried both. $ sudo rpm -qa | egrep "(openjdk|icedtea)" java-1.6.0-openjdk-1.6.0.0-1.27.1.10.8.el5_8 $ find 2>/dev/null | grep -i '/jre/' ./usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre/bin/ ... ./usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/ Any suggestions? I know I'm overlooking something. In previous searches I've only found one other posting that comes close but it has no responses (http://forum.parallels.com/showthread.php?t=76556).

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  • Which mail clients can give reminders about unresponded emails?

    - by ulidtko
    In my daily e-mail often happens the following scenario: I send somebody an email which describes some problem and requests an action from the recipient. Typically, I wish to ensure that this action was taken, or at least somehow resolved; when this happens, the email recipient should notify me with a response email about what was done, and what was not and why. But, sometimes emails don't get read by the recipient, or he forgets to reply to me. At the same time, I cannot constantly keep in memory the list of all emails for which I was waiting an answer and still didn't receive it. So I wonder, is there in any email client such a feature which would allow me to somehow mark specific outgoing emails as "demanding reply"? The mail client could in this case notify me if any "demanding reply" emails still aren't replied for a long time.

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  • Divide bootloader from dualboot with Windows 7 and Windows XP

    - by manwithproblem
    My problem is the following: I have a dual boot running on my pc. I installed a programme called "Keriver", it automatically installs GRUB, too. When I start my PC, the first thing you see is GRUB. You can choose between "Boot normal" "Take snapshot with Keriver" "Boot Windows" If you select "Windows" or "Boot normal" it calls the Windows 7 Bootloader and it again shows a menu, where you can choose between XP and Win 7. Unfortunately for me, Microsoft does this "mixing bootloaders into one" automatically. I don't know how to change that now, how to separate them. I'd like to start everything directly from the GRUB menu. The bootloader is stored on hd(0,1). I tried to boot from hd(0,0) and hd(0,2) as well, but it didnt work. Can anyone help me please?

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  • How do I restart MySQL in monit when page contains specific text?

    - by Tyler
    How do I check if a web page contains the text "Error connecting to database" and if the text exists in the page restart the database? Here's what I have so far but it isn't working: check host website.com with address website.com group database start program = "/usr/bin/service mysql start" stop program = "/usr/bin/service mysql stop" if url http://website.com content == "Error connecting to database" then restart

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  • Create Google Maps screenshots at regular intervals

    - by Dave Jarvis
    Background People are concerned that building a pipeline to the West Coast of Canada will increase the number of oil tankers, thus increasing the probability of a major oil spill, thereby creating an environmental catastrophe. The AIS Live Ships Map website captures real-time Marine Traffic updates using a Google Maps interface. While it is possible to obtain data from an AIS data feed, often the feeds are either pay-for-use, or otherwise encumbered with license restrictions. Problem The AIS Live Ships website presents a map in the browser: The map above has had its location interactively changed to focus on the area in question: the northern straight of Vancouver Island. Question How would you create a service that captures the map every 30 minutes and that could run, with neither user-intervention nor a significant memory footprint, for a few years? Idea #1 Create a virtual machine. Install and run a light-weight browser. Use Shutter to take captures at regular intervals. Idea #2 Use Python's Ghost Webkit to automate the captures. Thank you!

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