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  • Backup all plesk MySQL Databases to individual files

    - by Michael
    Hy, Because I'm new to shell scripting I need a hand. I currently backup all mydatabases to a single file, thing that makes the restore preaty hard. The second problem that my MySQL password dosen't work because of a Plesk bug and i get the password from "/etc/psa/.psa.shadow". Here is the code that I use to backup all my databases to a single file. mysqldump -uadmin -p`cat /etc/psa/.psa.shadow` --all-databases | bzip2 -c > /root/21.10.2013.sql.bz2 I found some scripts on the web that backup each database to individual files but I don't know how to make them work for my situation. Here is a example script: for db in $(mysql -e 'show databases' -s --skip-column-names); do mysqldump $db | gzip > "/backups/mysqldump-$(hostname)-$db-$(date +%Y-%m-%d-%H.%M.%S).gz"; done Can someone help me make the script above work for my situation? Requirements: Backup each database to individual file using plesk password location.

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  • Best Practice: Migrating Email Boxes (maildir format)

    - by GruffTech
    So here's the situation. I've got about 20,000 maildir email accounts chewing up a several hundred GB of space on our email server. Maildir by nature keeps thousands of tiny a** little files, instead of one .mbox file or the like... So i need to migrate all of these several millions of files from one server to the other, for both space and life-cycle reasons. the conventional methods i would use all work just fine. rsync is the option that comes immediately to mind, however i wanted to see if there are any other "better" options out there. Rsync not handling multi-threaded transfers in this situation sucks because it never actually gets up to speed and saturates my network connection, because of this the transfer from one server to another will take hours beyond hours, when it shouldn't really take more then one or two. I know this is highly opinionated and subjective and will therefore be marked community wiki.

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  • getting a weird error whenever I try restarting apache

    - by Binny Zupnick
    I'm trying to install apache, php5, mysql, and phpmyadmin. And I'm following a tutorial but this error keeps happening here's the error: apache2: Syntax error on line 227 of /etc/apache2/apache2.conf: Could not open configuration file /etc/phpmyadmin/apache.conf: No such file or directory Action 'configtest' failed. The Apache error log may have more information. ...fail! I've tried removing all of them and reinstalling but, to no avail. I'm pulling my hair out over this so, thanks in advance! =) edit: during the tutorial I screwed up and deleting something, lol, so I know that's the issue I just don't know what to do about it now

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  • /etc/rc.local doesn't execute apache tomcat startup script on boot

    - by user119720
    I'm having some problem with my centOS machine.I want to insert a line inside the rc.local to execute apache tomcat on startup. Below are the configuration for /etc/rc.local #!/bin/sh # # This script will be executed *after* all the other init scripts. # You can put your own initialization stuff in here if you don't # want to do the full Sys V style init stuff. touch /var/lock/subsys/local /opt/apache-jakarta/bin/startup.sh Unfortunately,the apache tomcat does not start on the boot time. I've already execute the script manually and it is working without any issues. Is there any specific syntax to put script inside the rc.local?Or did I forgetting something?Please Advice.Thanks. EDIT: My boot.log only show this output: Dec 17 21:04:53 localhost NET[2969]: /sbin/dhclient-script : updated /etc/resolv.conf

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  • some novice questions about VPS

    - by Camran
    I have ordered a VPS today, and I am still setting it up. I have some Q though: Also, I have just installed apache, php and mysql. 1- I don't understand which folder my website should be in. Is it the 'www' folder or the htdocs folder I should upload my site to? Because they are in entirely different directories. 2- How do I even upload files? FTP program? How do I install one, and which one? Thanks

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  • How do you enable webcam support in Facebook for Ubuntu 10.04?

    - by Jonathan
    I think I have finally arrived at an insolvable equation: Chromium v.7 + Ubuntu 10.04 + Sun Java 6 + Webcam + Facebook + Flash 10 = non-functional All of those items listed above are potential points of failure in this situation, and any help narrowing them down would be fantastic. I am simply trying to enable webcame support directly through Facebooks website. Forum searches and the usual googling turn up few posts related to this specific equation. Two of the major suggestions include: 1) Installing the Sun (I refuse to say oracle sob)-provided Java implementation instead of the OpenJDK normally installed in Ubuntu. And yes, after installing it, I did update all my default supports to use the sun commands over the openjdk. 2) Somehow enabling Facebook as a permitted site to access my webcam using Flash settings. I have not been able to explore option 2 because I cannot find a way to adjust the Flash settings in chromium 7. Other factors that do not help include the fact that I am pretty sure facebook changes its webcam interface every 10 seconds just to keep troubleshooters and support personnel on their toes. If anyone has a OTP that informs us of the next shift in the app, a leak would be greatly appreciated!

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  • virsh console and tty size

    - by pehrs
    I have a virtualization server to which I connect over ssh. If I now change the size of the window it will automatically propagate to the server. It's most easily seen using stty -a, checking the columns and row values. I then use virsh console to connect to the serial interface on a KVM based virtual machine. When I now change the size of the window it does not propagate to the virtual server. This is most easily seen by checking stty -a, which is not updated on the virtual machine when I change window size. This means that line breaks does not work correctly in the terminal and any application that relies on window size for formatting (emacs, man, etc) gets messed up unless the window size on the client matches the default size on the server. A workaround is to manually set the window size to match the client window using stty, but I wonder if there is any way to get this information to propagate and set the window size in the virtual machine automatically.

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  • Ubuntu X doesn't start

    - by den-javamaniac
    I'm running desktop Ubuntu 9.10 on my Dell laptop. Previously it was Ubuntu 9.04. After some period of time (lets say 3-4 months) my X fails to start automatically after some restart calls. If that takes place my network manager applet doesn't start either (after I do startx). Can any one point out what I'm missing/what's the problem?

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  • Is it reasonable to make a RAID-1 array with a ram disk and a physical disk to maximize read performance and protect data?

    - by Petr Pudlák
    In one of the answers on SO (I forgot which one) I've seen a suggestion to make a RAID-1 array composed of a RAM disk and a physical partition. By adding the physical partition with --write-mostly and enabling --write-behind the system should read everything instantly from the RAM disk but still save all data to the physical partition so that the data are preserved and the RAID array can be assembled again after reboot. Is such a setup reasonable? Will it perform any better in some scenario than having just the physical partition and perhaps tweaking the kernel to favor disk cache (swappiness and vfs_cache_pressure)?

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  • unexpected behaviour of Ctrl-a x and Ctrl-a X in screen?! regions, locking

    - by gojira
    According to the screen manual (version 4.0.2.) C-a x C-a C-x (lockscreen) Lock this terminal. C-a X (remove) Kill the current region. But what actually happens when I use it (Screen version 4.00.03 (FAU) 23-Oct-06): C-a X locks the terminal and asks me for the password. When I enter the correct passwword, I am back in screen but the region is killed (wtf) C-a x does nothing apparently Please note the differences between x (lowercase) and X (uppercase). Why is there a mixup between the functionalities of C-a X and C-a x? How can I fix this? I am on CentOS release 5 (Final).

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  • Audio organizing via CLI

    - by Radek Šimko
    I'm looking for some software for my OpenSUSE, which with I would be able to organize my audio files. I've found one, which may be good, but it's unable to run without X server (in CLI). http://musicbrainz.org/doc/MusicBrainz_Picard I'm not looking for ID3 renamers. There're maybe hundreds of them... I'm looking for software, which has its own database, or is able to communicate with some database, like CDDB, Gracenote, last.fm etc.

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  • Xen P2V for large physical hosts with much free space

    - by Sirex
    I need to P2V a rhel5 machine to xen under rhel5. I know I can use dd if=/dev/sda then using virt-install --import on the host, but the downside of this is the original machine has 80% free space on its drive. Does anyone know of (or can document) a quick and easy method which works reliably, to produce a bootable xen image which can run under a hvm in such cases ? I tried clonezilla to make the image, to avoid the free space problem, but it failed to do the clone with "something went wrong" (useless info, i know). At the moment im looking at doing a dd of each partition, and a file level copy of the partition which is mostly empty, then creating a new virtual disk, copying the partitions over to it by mounting both the new image and the virtual drive on a second vm, then copying the boot sectors over, then copying the file level backup..... there must be an easier way ? Oh, and budget is $0. :)

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  • I can't write to a folder which I'm a member of

    - by user3265472
    I'm trying to setup folder access to a group so that all members of that group can create/edit/delete files within the folder. # create my group and add a member sudo addgroup dev sudo adduser martyn dev Now, logged in as "martyn", check my user has been added to "dev" group groups martyn martyn : martyn dev Now I want to change the group ownership of my project folder so all members of that group can edit it and files/folders within it. sudo chgrp -R dev myproject Just to check: martyn@localhost:/var/www$ ls -l total 4 drwxrwxr-x 3 dev dev 4096 May 31 15:53 myproject Now here's where it fails. I want to create a file within myproject (logged in as "martyn", a member of "dev"): vi myproject/test ..but when I try to save the file I get the following error: "myproject/test" E212: Can't open file for writing Why, as user "martyn" which is a member of "dev", can I not write this file? Even if I create the file so it exists, change the ownership to "dev" then try to edit and save - I get the same error.

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  • Do you lose everything when you have a hard disk failure in a multi-hard disk LVM that does NOT use RAID?

    - by user72630
    I'm debating about using LVM for a media/file server because I would like to combine multiple physical hard disks into one volume. I do not wish to use any RAID in my LVM so my question is: If one of the multiple hard disks in my volume were to go down would I lose all my data or would I just lose the data that was stored on that individual disk? Also, if I were to just lose the data on the individual disk, would it be as simple as replacing that disk and restoring what was on it from a backup to recover? Thanks everyone.

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  • credit or minclass does not work well with pam_cracklib.so in common-password (opeSuSe 11.3)

    - by Mario
    I'm trying to implement password complexities on my pdc. It's a samba PDC with openLDAP backend. I tried cracklib-check but it looks like that I should have a decent and localize version of password library since the library out there usually comes in english. I also have another consideration that we will allow users to use any kind of password - even though it's dictionary based - as long as their passwords integrated with low/upper alphabet, digits, and other characters such as '$' or '_' (pam_cracklib.so calls them as classes). So here is my /etc/pam.d/common-password: #password requisite pam_pwcheck.so nullok cracklib password requisite pam_cracklib.so minclass=4 reject_username ##password requisite pam_cracklib.so \ ## dcredit=-1 ucredit=-1 lcredit=-1 ocredit=-1 reject_username password optional pam_gnome_keyring.so use_autht_ok password required pam_unix2.so use_authtok nullok The first commented line (with #) was the default configuration of openSuse 11.3. The 2nd/3rd (with leading ##) is another configuration I use when minclass=4 line is commented out. By the way, I have 'check password script' = /usr/local/sbin/crackcheck -d /usr/share/cracklib/pw_dict and passdb backend = ldapsam:ldap://127.0.0.1 parameters in smb.conf and cracklib-check works fine too. So here is the test I conduct. I logon to windows and then change my password. Sometimes it works fine that it trows error message - which what I wanted, but simple password with only lower alphabets can pass windows change password. Maybe I should make a new library which incorporates local vocabularies, but a guy out there (raise your hand please if you read this :) ) also experienced the same trouble with english word. Besides, what we really want is to let user to choose 2 or 3 format password out of 4 classes. Is there a bug or something with pam module in openSuse 11.3? Thank you in advance. Regards, Mario

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  • iptables rule on INPUT between 2 ethernet cards on the same host

    - by user1495181
    I have 2 eth cards on the same host. Both connected directly with LAN cable. I set eth0 with ip - 192.168.1.2 I set eth1 with ip - 192.168.1.1 I set this rule: iptables -A INPUT -p tcp -j NFQUEUE --queue-num 0 There are no other rules. (I ran iptables -X,-F) I send TCP syn packet ( with c++ program by using raw socket) from 192.168.1.2 to 192.168.1.1 In wireshark i see that the packet received on eth0, but the iptables rule (above) dosnt apply for this packet. when i sent the packet to remote host and apply this rule on the remote host than it work correct. So, i guess that this is due to the fact that both eth cards exists the same host. . I need to create iptables INPUT rule for local eth card (dest and src on the same machine ). I need it for simplify test. Did i guess the problem correct? is there a way to bypass this? Ps - connected them via switch didn't help. the rule wasn't applied. Run on Ubuntu. TCDUMP show the packet: 10:48:42.365002 IP 192.168.1.2.38550 > 192.168.1.1.34298: Flags [S], seq 0, win 5840, length 0 but logging of iptables like this, has nothing: iptables -A INPUT -p tcp -j LOG --log-prefix '*****************' iptables -A OUTPUT -p tcp -j LOG --log-prefix '#################'

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  • Ubuntu server; Should I add a new user or not?

    - by Camran
    On my Ubuntu server, when I do everything now I do it as "root" user. So for example, logging into ftp filezilla, I enter "root" as username... Is this the way to do it, or should I create a users group and add priveliges to the users in that group? Don't know if I should create a new user or not, it works with root just fine, but I don't want any security flaws... Thanks

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  • ip route add HOMEIP via SERVERIP disconnects me from ssh

    - by Arya
    I want to use a vpn connection on my Debian server but I get disconnected from ssh if I connect to the vpn. I thought by using the "ip route add" I can prevent getting disconnected from my server and it will continue to use the main connection for communication between my computer and the server, and the vpn for communication with other ips. This is the command I use ip route add PUBLICHOMEIP via PUBLICSERVERIP But I get disconnected after the "ip route add" command too. Am I making a mistake anywhere?

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  • OpenVPN + iptables / NAT routing

    - by Mikeage
    Hi, I'm trying to set up an OpenVPN VPN, which will carry some (but not all) traffic from the clients to the internet via the OpenVPN server. My OpenVPN server has a public IP on eth0, and is using tap0 to create a local network, 192.168.2.x. I have a client which connects from local IP 192.168.1.101 and gets VPN IP 192.168.2.3. On the server, I ran: iptables -A INPUT -i tap+ -j ACCEPT iptables -A FORWARD -i tap+ -j ACCEPT iptables -t nat -A POSTROUTING -s 192.168.2.0/24 -o eth0 -j MASQUERADE On the client, the default remains to route via 192.168.1.1. In order to point it to 192.168.2.1 for HTTP, I ran ip rule add fwmark 0x50 table 200 ip route add table 200 default via 192.168.2.1 iptables -t mangle -A OUTPUT -j MARK -p tcp --dport 80 --set-mark 80 Now, if I try accessing a website on the client (say, wget google.com), it just hangs there. On the server, I can see $ sudo tcpdump -n -i tap0 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on tap0, link-type EN10MB (Ethernet), capture size 96 bytes 05:39:07.928358 IP 192.168.1.101.34941 > 74.125.67.100.80: S 4254520618:4254520618(0) win 5840 <mss 1334,sackOK,timestamp 558838 0,nop,wscale 5> 05:39:10.751921 IP 192.168.1.101.34941 > 74.125.67.100.80: S 4254520618:4254520618(0) win 5840 <mss 1334,sackOK,timestamp 559588 0,nop,wscale 5> Where 74.125.67.100 is the IP it gets for google.com . Why isn't the MASQUERADE working? More precisely, I see that the source showing up as 192.168.1.101 -- shouldn't there be something to indicate that it came from the VPN? Edit: Some routes [from the client] $ ip route show table main 192.168.2.0/24 dev tap0 proto kernel scope link src 192.168.2.4 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.101 metric 2 169.254.0.0/16 dev wlan0 scope link metric 1000 default via 192.168.1.1 dev wlan0 proto static $ ip route show table 200 default via 192.168.2.1 dev tap0

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  • Securing debain with fail2ban or iptables

    - by Jimmy
    I'm looking to secure my server. Initially my first thought was to use iptables but then I also learnt about Fail2ban. I understand that Fail2ban is based on iptables, but it has the advantages of being able to ban IP's after a number of attempts. Let's say I want to block FTP completely: Should I write a separate IPtable rule to block FTP, and use Fail2ban just for SSH Or instead simply put all rules, even the FTP blocking rule within the Fail2Ban config Any help on this would be appreciated. James

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  • Any good resources on setting up an ubuntu virtual machine for web development?

    - by Relequestual
    I'm currently on my placement year at uni with 4 months left. Before working at my current place, I have not used a nix environment for web development and have used WAMP. Over the past year I have found some very interesting new tech that requires a bit more than my shared hosting even to play with (eg node.js, RoR 3). At work we use a Virtual Machine for development, but that's all been set up and configured to match the live servers, and is managed with a Puppet server. Are there any really good resources for setting up and configuring an Ubuntu VM as a web server? Work currently uses Ubuntu so I would assume this is a good OS to use. I do of course know how to use google, but the noise ratio is just too big, so thought I'd ask here, as I know many of you will have a ton of bookmarks. Cheers.

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  • CoovaAP router does not get DHCP settings from modem

    - by Dan Sosedoff
    Im having some serious trouble making CoovaAP-powered router get network settings from modem. Wireless router works in captive portal mode (so it handles user login on the same device). But DNS settings and connection ip (for router) are not set as they supposed to via DHCP on modem. It makes installation in other location really complicated, because you have to go and set everything manually. For now i use google`s dns servers. What`s the way to make router self-configurable via modem's dhcp ?

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  • troubleshooting really slow login on a (linux) machine

    - by Peeter Joot
    Within the last couple of weeks, any attempt to login to a specific linux server has gotten really slow. Once I've logged in, things appear to run without significant delay, but some other login like activities (like starting a new screen session) are slow. The machine's been rebooted a couple of times recently and that hasn't helped. , and it doesn't appear to be $PATH search (where $PATH can sometimes include bad NFS mounts), which I've seen historically in our environment. I've also tried completely removing my .profile/.bash*/... type of init files to rule out anything bad there. I also see slow login for at least one other userid on the system. One thing I've noticed is the following message when trying to exit from a screen terminal: Utmp slot not found -> not removed and am wondering if this is related (having a vague recollection that Utmp has something to do with login). Any idea what that message means, or how to fix it, and if it would be related? Failing that, what sort of problem determination tools are available to investigate what is slowing down this login process?

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