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  • How to backup Servers to an SSH-Host with low traffic and access to versions and encryption?

    - by leto
    Hello, I've not run backups for the past dont't remember anymore years for my personal stuff until waking up lately and realising contrary to my prior belief: Actually. I care! :) Now I have a central data server at home where I want to attach an external media to, to which I want to save backups of my most important stuff, like years of self-written scripts, database dumps, you name it. I've tinkered with rsync+ssh over the last two years, also tried tar over ssh, but don't know the simplest and most easy to maintain way to do it yet. Heres my workload: A typical LAMP-Server (<5GB Data) which I'd like to backup fully so lots of small files connected via 10Mbit My personal stuff (<750GB Data) from a Mac connected via GE My passwords in an encrypted container (100Mb) from OpenBSD connected via serial-PPP My E-Mail from the last ten years (<25GB) as Maildir which I need to keep in readable format Some archives (tar.*) which I need to backup only once and keep in readable format (Deleted my ideas, as I'm here for suggestions) What I need: 1. Use an ssh-tunnel for data transfer 2. Be quick with lots of small files 3. Keep revisions 4. Be sure the data I save is not corrupted 5. Intelligent resume functions and be able to deal with network congestion :) 6. Compressed and optionally encrypted storage 7. Be able to extract data from backup easily (filesystem like usage would be nice) How would and with what software would you backup this stuff? Hints to tools that can help solve only part of my problem (like encryption) also greatly appreciated. Greets

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  • Ping not working

    - by Nishant
    Ping is not working to and from this IP to my computer. inet addr:10.125.104.4 Bcast:10.125.111.255 Mask:255.255.240.0 My computer is like this Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 10.125.65.75 Subnet Mask . . . . . . . . . . . : 255.255.252.0 Default Gateway . . . . . . . . . : 10.125.64.6 We both CAN reach the common gateway IP , 10.125.96.6 . What should I check ? What is the barrier in sending info if we both have a common gateway that is pingable ? Besides I can login to a intermediate server and ssh to this server also !!

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  • Cross-platform centralized desktop password manager

    - by Dave
    I have been using KeePass as a desktop password manager on Windows for many years. Love it! However, I am now needing to work on different platforms much of my day (Windows 7, Windows XP, Mac OS X, Ubuntu, and OpenSUSE.) I'm looking for a password manager I can share across all these platforms. My ideal solution would: Run natively (not in a virtual machine) on all platforms. Store the "official" copy of the password data on a local network so I can get to it from any and all machines. It is OK if it locks (or becomes read-only) when one client is accessing it. Keep a local cached copy (read-only is fine) so I can still get to my passwords when disconnected from the network. Does any such beast exist?

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  • where is my disk space?

    - by user166241
    I recently had a problem with .xsession-errors file - it became very big ( 90GB) and took all disk space: How I can check what takes disk space in /tmp?. I cleaned it with command > .xsession-errors but after an hour it became large again. So I deleted it (rm .xsession-errors) - it helped because it wasn't recreated but again after hour disk space disappeared - now there is no .xsession-errors anymore but I don't know where is the memory: df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 106640456 101223392 4 100% / udev 8166744 8 8166736 1% /dev tmpfs 3270224 972 3269252 1% /run none 5120 0 5120 0% /run/lock none 8175552 152 8175400 1% /run/shm du -sc * .[^.]* | sort -n 0 initrd.img 0 initrd.img.old 0 proc 0 sys 0 vmlinuz 0 vmlinuz.old 4 cdrom 4 lib64 4 media 4 mnt 4 selinux 8 dev 12 srv 16 lost+found 68 tmp 1124 run 3396 lib32 5164 .rpmdb 5540 root 8888 sbin 9120 bin 17132 etc 106080 opt 116956 boot 861908 lib 3530584 usr 3821836 var 13371260 home 21859112 total So there is around 100GB used but executing du -sc * .[^.]* | sort -n in root directory finds only ~21 GB - so what takes 80GB?? How to check it? I suspect that when I deleted the `.xsession-errors' file the errors were redirected somwhere else - but where?

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  • Automate hashing for each file in a folder?

    - by Kennie R.
    I have quite a few FTP folders, and I add a few each month and prefer to leave some sort of method of verifying their integrity, for example the files MD5SUMS, SHA256SUMS, ... which I could create using a script. Take for example: find ./ -type f -exec md5sum $1 {} \; This works fine, but when I run it each time for each shaxxx sum afterwards, it creates a sum of the MD5SUMs file which is really not wanted. Is there a simpler way, or script, or common way of hashing all the files in to their sums file without causing problems like that? I could really use a better option.

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  • Provide credentials to process in a safe manner

    - by Erik Aigner
    On system startup I need to launch a process which requires credentials for other services (database etc.) to interact. I obviously don't want to store those on disk for security reasons. I'm trying to think of a way to provide those credentials to the process on launch - and on launch only. After that they should be only available to the process. Is this possible somehow? The bottom line is to make it as hard as possible for an intruder to get to those credentials.

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  • What do these acronyms stand for ?

    - by Luc M
    Some directories are easy to understand the meaning /usr /bin ... But for the next ones, I have no idea. /etc /opt opt for optionnal ? etc for electronic t...... configuration (no idea for t) I would like to know what these acronyms are meaning

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  • nfs mount fails in Ubuntu 10, but not with -v

    - by stuartreynolds
    (1) mount -t nfs remotehost:/remotedir localmountpoint -o owner,rw (2) mount -v -t nfs remotehost:/remotedir localmountpoint -o owner,rw (1) Used to work with Ubuntu 9 and now fails with Ubuntu 10 (2.6.32-21-generic kernel) with the error: mount.nfs: an incorrect mount option was specified Strangely, adding -v (verbose) in (2) makes the problem go away. This is currently a blocker for me because the fstab line: remotehost:/remotedir localmountpoint nfs owner,rw 0 0 causes the same error (I don't believe I can specify verbose in fstab). Is this a bug in mount or my options really incorrect?

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  • Xen HVM Windows 2008 network bridge

    - by JavierMartinz
    I have a problem with the Windows Server 2008 guest (hvm). I can't get a network interface running for him. I also have a Debian guest and it's working ok, but I can't do it with the Win2k8 guest. When I started the VM, the machine freezes and I can't connect by ssh to the host. /etc/network/interfaces # The loopback network interface auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 188.165.B.C netmask 255.255.255.0 network 188.165.B.0 broadcast 188.165.255.255 gateway 188.165.B.254 brctl show bridge name bridge id STP enabled interfaces eth0 8000.e840f20acc28 no peth0 /etc/xen/xend-config.sxp ... (vif-script vif-bridge) (network-script 'network-bridge') ... /etc/xen/win2k8.cfg # Networking # vif = [ 'ip=5.39.F.G,mac=yy:yy:yy:yy:yy:yy,type=ioemu,bridge=eth0' ] /etc/xen/debian.cfg # Networking # vif = [ 'ip=178.33.D.E,mac=xx:xx:xx:xx:xx:xx' ] As you can see, in the Debian guest I only have to specify an IP address and a MAC. But if I put that in the Win2k8 guest, the machine does not start. I am using Xen 4.0

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  • Using Monit to monitor Resque

    - by Alex
    I'm trying to use resque as a job runner for Rails. I've tried this config, and many other ways of demonizing the rescue task (because running rake resque:work leaves the terminal tied to that command). Unfortunately, their example configuration doesn't work for me. Does the configuration look correct? Or is there another way to turn the process into a daemon? Thank you :) check process resque_worker_QUEUE with pidfile /data/APP_NAME/current/tmp/pids/resque_worker_QUEUE.pid start program = "/bin/sh -c 'cd /data/APP_NAME/current; RAILS_ENV=production QUEUE=queue_name VERBOSE=1 nohup rake environment resque:work& > log/resque_worker_QUEUE.log && echo $! > tmp/pids/resque_worker_QUEUE.pid'" as uid deploy and gid deploy stop program = "/bin/sh -c 'cd /data/APP_NAME/current && kill -s QUIT `cat tmp/pids/resque_worker_QUEUE.pid` && rm -f tmp/pids/resque_worker_QUEUE.pid; exit 0;'" if totalmem is greater than 300 MB for 10 cycles then restart # eating up memory?

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  • How to copy a file to a remote server using the command line?

    - by cool_cs
    I am trying to copy a file from my desktop to my remote server using the sudo command. I am doing this from the remote machine since I know the password for this machine and I do not have a password for my local machine. sudo scp donj@localhost:/Desktop/my.cnf user@remotemachine:/app/MySQL/my.cnf This does not work however. I want to overwrite the my.cnf file in the MySQL directory. I tried the su command but I do not have the password to become a super user.

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  • I wrote a new X11 keyboard layout file, how do I get my system to recognize it?

    - by grimborg
    I like to configure my keys my way, so I wrote a keyboard symbols file and I put it in /usr/share/X11/xkb/symbols/cat I use it by running setxkbmap cat -variant dvorak (and it works), but it doesn't show up in the console configuration (dpkg-reconfigure console-setup) nor in the Gnome keyboard settings... nor anywhere else, so I have to run setxkbmap every time. I suppose that I have to register it somewhere, but where? Any hints? Thanks!

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  • Can't decide on a new distro

    - by Alex W
    I've had Ubuntu (9.10) on my netbook in the past and I really liked it. I'm currently running Fedora and feeling like I should "change it up" again. I've played around with Ubuntu 10.04 Lucid a little, and so far I'm very impressed. I've always wanted to try Arch, but I'm worried I won't have the driver support I need for all the non-standard hardware in a netbook. Does anybody have a suggestion for a new distro to try? I'm preferably looking for something feature-rich over light-weight, and something that I can have up and running with a minimum of configuration (at least partially working). Thanks!

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  • whats the default username and password for an ubuntu live cd?

    - by Rory McCann
    What's the username and password for an ubuntu live cd image? I ask cause I've recently copied the contents of an ubuntu based live iso (easypeasy, the ldistro for nwtbooks) onto a harddisk, but the squash fs is corrupt. Most likely cause I copied it live. :) so it's not autologging in. Is there a username/password for this? Update: I tried username ubuntu and a blank password, it didn't work

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  • Bonding and default gateway problem (CentOS)

    - by lg
    I configured network bonding on two machine with centos 5.5. Bonding works well, but the problem is default gateway: it is not configured! I follow this tutorial. I added GATEWAY in both (and either) /etc/sysconfig/network and /etc/sysconfig/network-scripts/ifcfg-bond0. But, when I restart network (or server) there is no default gateway (route command). This is ip route ls output after network restart: 10.0.0.0/16 dev bond0 proto kernel scope link src 10.0.0.88 Where is my mistake?

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  • sudoers entries

    - by Pochi
    Is there a way to have a sudoers entry that allows executing of only a particular command, without any extra arguments? I can't seem to find a resource that describes how command matching works with sudoers. Say I want to grant sudo for /path/to/executable arg. Does an entry like the following: user ALL=(ALL) /path/to/executable arg strictly allow sudo access to a command exactly matching that? That is, it doesn't grant user sudo privileges for /path/to/executable arg arg2?

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  • Fedora 16 Running Hot

    - by sdasdadas
    Since switching from Windows 7 to Fedora 16, my laptop has been running incredibly hot (by the air exhaust). The laptop is an Asus K73S. Running 'sensors', I receive: acpitz-virtual-0: 75.0 celsius nouveau-pci-0100: 66.0 celsius asus-isa-0000: 75.0 celsius The only CPU hog is Firefox at 30 - 40% on average. My GPU information (from lspci) is: Intel Corporation Xeon E3-1200/2nd Generation Core Process or Family Integrated Graphics Controller (rev 09). Running lspci | grep -i VGA, returns: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF106 [GeForce GT 555M SDDR3] (rev a1) I don't notice a huge difference running without the battery, but it does seem a little cooler. Thanks!

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  • Tail and wildcard characters

    - by Mitch
    I want to get the last 10 lines of multiple files. I know they all end with "-access_log". So I tried: tail -10 *-access_log But this gives me an error, where as: tail -10 file-* Gives me the output I'd expect. I would think this probably has more to do with BASH then tail. However commands like: cat *-access_log Work fine. Any suggestions?

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  • Xinerama 3 displays can't have main display in the middle

    - by mononym
    I have 3 monitors running on 2 cards, they are all working as 3 seperate displays, however, if i move the main display from the left (0,0) i cannot drag to the left window as the mouse goes crazy and crashes my system (i have to restart x) I would much prefer my main display to be in the centre. Any help appreciated

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  • How can you get MySQL statistics for a specific user?

    - by Exit
    I've searched Google for a while on this and I'm not sure if it is easily or directly possible. I'm hosting a database on my cPanel server for a client which is accessed from their main website. As a result, I can't find a way to determine what amount of resources they are using. As there aren't any files under their account, cPanel reports the bandwidth at zero. I do know the stat programs don't monitor MySQL and that MySQL has a global statistics page that reports all usage on the server.

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  • PcLinuxOs demands I use only one repository at time. Is it right?

    - by m33600
    I come to your presence with this question that is paralyzing my coding efforts. PclinuxOs was my distro of choice for reliability, but it is jealous and does not permit me to add repos from, say, Debian. The wiki is clear advising on using just one repo, and I end up not finding what I used to find on normal Debians. Multimon, the audio decoder, for example (my other question) is not there. When I try to install multimon with hammer and plies, it returns errors of all kinds. Is there a way to safely and temporarily add a repository, make the install and remove the repo, returning pclinuxos to its stable state?

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  • Allow PHP to write file without 777

    - by camerongray
    I am setting up a simple website on webspace provided by my university. I do not have database access so I am storing all the data in a flat file. The issue I am experiencing is related to file permissions. I need PHP to be able to read and write the data file but I don't really want to set the file to 777 as anybody else on the system could modify it, they already have read access to everyone's web directories. Does anyone have any ideas on how to accomplish this? Thanks in advance

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