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  • CentOS 6 - iptables preventing web access via port 80

    - by bsod99
    I'm setting up a new web server with CentOS 6.2 and am not able to connect via the web. Everything looks set up correctly in httpd.conf and Apache is running, so I'm assuming it's an iptables issue. Is there anything in the following which could be causing the issue? # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT icmp -- anywhere anywhere ACCEPT all -- anywhere anywhere ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ssh REJECT all -- anywhere anywhere reject-with icmp-host-prohibited ACCEPT tcp -- anywhere anywhere tcp dpt:http Chain FORWARD (policy ACCEPT) target prot opt source destination REJECT all -- anywhere anywhere reject-with icmp-host-prohibited Chain OUTPUT (policy ACCEPT)

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  • Problem with running a script at startup as root?

    - by Usman Ajmal
    Hi The main question: Is there a way I can run 'completely' one of my script when ubuntu's desktop appears no matter if root , administrator, desktop user or an unprivileged user logged in? What does the script do? The script mounts a partition, looks for a file in that partition and finally on the basis of that file a decision of copying a partition to another partition is made. That copying is done via dd if=/dev/sda2 of=/dev/sda5 When does the script run finely? Script runs smoothly when I run it from the terminal by sudo ./my_copying_script This command asks me for the password of currently logged in user. I enter the password and the script starts working. When does the script NOT run finely? I want to run the script at startup. I set it a startup program by using the Startup Applications utility of Ubuntu. Script ran at startup but exited at the dd command returing following error: dd: opening '/dev/sda2': Permission denied On edk's suggestion I set the owner of my_copying_script as root and set the SUID. Now the permissions of my_copying_script are (-rwsr-sr-x). edk's point of view was that once I set the suid, the startup program will run with the permissions of its owner. I did that but the same /dev/sda2 permission denied error came up. I then prefixed the dd with sudo as mentioned below sudo dd if=/dev/sda2 of=/dev/sda5 but this returned following error: sudo: no tty present and no askpass program specified In other words the mounting failed. If I run the script using sudo ./myProgram i don't face this problem and the drive gets mounted successfully.

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  • SSH agent forwarding on debian squeeze

    - by nfvindaloo
    Im trying to set up SSH forwarding like this osx debianA debianB I can connect to debianA fine, using ssh -A and it has the following env vars when i do: SSH_AGENT_PID=1543 SSH_AUTH_SOCK=/tmp/ssh-giwdYY1542/agent.1542 SSH_CLIENT='92.233.199.x 38954 22' SSH_CONNECTION='92.233.199.x 38954 108.171.179.x 22' SSH_TTY=/dev/pts/0 When i try to connect to debianB, the agent is not used! ssh -v output ends with: debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Trying private key: /home/nic/.ssh/id_rsa debug1: Trying private key: /home/nic/.ssh/id_dsa debug1: Next authentication method: password Then im asked for a password. I have not set any ForwardAgent no directives in ssh_config and dont have a .ssh/config at all. sshd_config has not got AllowAgentForwarding in it. I have tried all of these directives as yes also. debianA and debianB both have identical ssh_config and sshd_config (verified with diff) so the really weird thing is connecting OSX debianB debianA works fine!! Im totally out of ideas! Has anyone come across this before? Cheers! NFV

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  • Elastix, how to MOVE files from one server to other server?

    - by yudayyy
    In my office, i have to schedule for moving a file from one computer to other computer (Both are using Elastix). My idea is using cron, scp, and rm to do this. So here are the script that i use: scp -r /home/data/* [email protected]:/home/data1 && rm -r /home/data/* That script did the copy, but not remove the source file. I already read this question: Hov to _MOVE_ files with scp? The problem is, the computer doesn't have an internet connection. So i cannot install rsync on my elastix computer. yum install rsync Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile and then it freezes. Any idea how to do this?

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  • a brand new FS based on a database without using fuse

    - by Devrim
    hi all, To serve millions of files out of a single directory, being able to connect to a drive from hundreds of endpoints, and for some other reasons (to avoid gluster/nfs/all fs based networking solutions), I want to evaluate the possibility of making a filesystem that's based on a mongodb (or any other). Basically, it works like fusefs, every single file is kept in mongo gridfs. In theory, I do, mount mongodbfs /mountPoint mongodb://localhost then when i say touch /mountPoint/test.txt this file is inserted into mongodb. This FS will also store uid/gid and perms with the file, we can throw hundreds of servers to it, and no useradd will be necessary. I'm not thinking to include all the features of FS, just the ones we need. My question is, how do I start my quest in finding resources, books, links, people, developers who'd help me implement this? at least a proof of concept. Is it feasible? What should I expect as a timeline for such undertaking? Please only think about gazillion small files and folders.

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  • Groups and Symlinks, is this safe?

    - by sjohns
    Hi, Im trying to serve similar content over two websites, but don't want to have 2 of each file, especially when they are growing. The basics, im running CentOS, with cPanel. Is it safe to do the following, I have folder downloads1 in /home/user1/www/downloads1/ i have user2, can i make a group - groupadd sharedfiles add both users to the group: useradd -g sharedfiles user1 useradd -g sharedfiles user2 then chown -r -v user1:sharedfiles downloads1/ User 2 i want to have /home/user2/www/downloads1 but i want it to be a symlink like ln "downloads1" "/home/user1/www/downloads1/" lrwxrwxrwx 1 user2 sharedfiles 11 May 9 14:20 downloads1 -> /home/user1/www/downloads1/ Is this a safe practice? Or is there a better way to do this if I want them both to be able to share the files for distribution over apache. Is there any drawbacks to this? Thanks in advance for any light shed on this. I'm not 100% sure weather this should have gone here or on serverfault.

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  • Groups and Symlinks, is this safe?

    - by sjohns
    Hi, Im trying to serve similar content over two websites, but don't want to have 2 of each file, especially when they are growing. The basics, im running CentOS, with cPanel. Is it safe to do the following, I have folder downloads1 in /home/user1/www/downloads1/ i have user2, can i make a group - groupadd sharedfiles add both users to the group: useradd -g sharedfiles user1 useradd -g sharedfiles user2 then chown -r -v user1:sharedfiles downloads1/ User 2 i want to have /home/user2/www/downloads1 but i want it to be a symlink like ln "downloads1" "/home/user1/www/downloads1/" lrwxrwxrwx 1 user2 sharedfiles 11 May 9 14:20 downloads1 -> /home/user1/www/downloads1/ Is this a safe practice? Or is there a better way to do this if I want them both to be able to share the files for distribution over apache. Is there any drawbacks to this? Thanks in advance for any light shed on this. I'm not 100% sure weather this should have gone here or on serverfault.

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  • amplified reflected attack on dns

    - by Mike Janson
    The term is new to me. So I have a few questions about it. I've heard it mostly happens with DNS servers? How do you protect against it? How do you know if your servers can be used as a victim? This is a configuration issue right? my named conf file include "/etc/rndc.key"; controls { inet 127.0.0.1 allow { localhost; } keys { "rndc-key"; }; }; options { /* make named use port 53 for the source of all queries, to allow * firewalls to block all ports except 53: */ // query-source port 53; /* We no longer enable this by default as the dns posion exploit has forced many providers to open up their firewalls a bit */ // Put files that named is allowed to write in the data/ directory: directory "/var/named"; // the default pid-file "/var/run/named/named.pid"; dump-file "data/cache_dump.db"; statistics-file "data/named_stats.txt"; /* memstatistics-file "data/named_mem_stats.txt"; */ allow-transfer {"none";}; }; logging { /* If you want to enable debugging, eg. using the 'rndc trace' command, * named will try to write the 'named.run' file in the $directory (/var/named"). * By default, SELinux policy does not allow named to modify the /var/named" directory, * so put the default debug log file in data/ : */ channel default_debug { file "data/named.run"; severity dynamic; }; }; view "localhost_resolver" { /* This view sets up named to be a localhost resolver ( caching only nameserver ). * If all you want is a caching-only nameserver, then you need only define this view: */ match-clients { 127.0.0.0/24; }; match-destinations { localhost; }; recursion yes; zone "." IN { type hint; file "/var/named/named.ca"; }; /* these are zones that contain definitions for all the localhost * names and addresses, as recommended in RFC1912 - these names should * ONLY be served to localhost clients: */ include "/var/named/named.rfc1912.zones"; }; view "internal" { /* This view will contain zones you want to serve only to "internal" clients that connect via your directly attached LAN interfaces - "localnets" . */ match-clients { localnets; }; match-destinations { localnets; }; recursion yes; zone "." IN { type hint; file "/var/named/named.ca"; }; // include "/var/named/named.rfc1912.zones"; // you should not serve your rfc1912 names to non-localhost clients. // These are your "authoritative" internal zones, and would probably // also be included in the "localhost_resolver" view above :

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  • Samba does not reload user group members

    - by xato
    I am running a simple samba server setup where users connect to a share which contains folders for specific user groups. The folders are chmod 2770, so only users which are in the correct group can read/write in them. The problem is that if I change group memberships (i.e. remove user from group / add user to group; changes are in sync between clients and server!) samba does not automatically reload the group memberships for the user, so they can still write to groups that they are no longer a member of etc. I either have to reconnect to the share or to restart samba to apply the changes. Is there any way to prevent group caching and/or enable group membership reload in samba? My smb.conf: https://gist.github.com/anonymous/ca7c10a3b3e2168d7a03

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  • [tcpdump] Proxy delegate refusing connexion ?

    - by simtris
    Hi guys, I'm a little disapointed ! My aim was to build a VERY simple smtp proxy under debian to handle mail from a port (51234) and forward it to the standard 25 port. I compile and install a "delegate" witch can handle easily that. It's working very well like that : delegated SERVER="smtp://anotherSmtpServer:25" -P51234 The strange thing is, it's working on my virtual test machine and on the dedicated server in local but I can't manage to use it trought internet. I test it like that. telnet [mySrv] 51234 Of course, no firewal, no deny host, no ined/xined, the service delegated is listening on the right port ... 2 clues : The port is answering trought internet with nmap as "51234/tcp open tcpwrapped" have a look at the tcpdump following : 22:50:54.864398 IP [myIp].1699 [mySrv].51234: S 2486749330:2486749330(0) win 65535 22:50:54.864449 IP [mySrv].51234 [myIp].1699: S 2486963525:2486963525(0) ack 2486749331 win 5840 22:50:54.948169 IP [myIp].1699 [mySrv].51234: . ack 1 win 64240 22:50:54.965134 IP [mySrv].43554 [myIp].auth: S 2485396968:2485396968(0) win 5840 22:50:55.243128 IP [myIp] [mySrv]: ICMP [myIp] tcp port auth unreachable, length 68 22:50:55.249646 IP [mySrv].51234 [myIp].1699: F 1:1(0) ack 1 win 46 22:50:55.309853 IP [myIp].1699 [mySrv].51234: . ack 2 win 64240 22:50:55.310126 IP [myIp].1699 [mySrv].51234: F 1:1(0) ack 2 win 64240 22:50:55.310137 IP [mySrv].51234 [myIp].1699: . ack 2 win 46 The part "auth" seems suspect to me but didn't ring a bell. I could certaily do with some help. Thx a lot !

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  • Page allocation failures on iSCSI storage

    - by Dave
    We have a CentOS 6.3 iscsi server (16GB RAM) running on Infiniband bus (ipoib). When the load is high I can see multiple errors: Sep 3 23:22:20 stor4 kernel: tgtd: page allocation failure. order:2, mode:0x20 Sep 3 23:22:20 stor4 kernel: Pid: 3637, comm: tgtd Not tainted 2.6.32 #1 Sep 3 23:22:20 stor4 kernel: Call Trace: Sep 3 23:22:20 stor4 kernel: [] ? __alloc_pages_nodemask+0x77f/0x940 Sep 3 23:22:20 stor4 kernel: [] ? kmem_getpages+0x62/0x170 Sep 3 23:22:20 stor4 kernel: [] ? fallback_alloc+0x1ba/0x270 Sep 3 23:22:20 stor4 kernel: [] ? cache_grow+0x2cf/0x320 Sep 3 23:22:20 stor4 kernel: [] ? ____cache_alloc_node+0x99/0x160 Sep 3 23:22:20 stor4 kernel: [] ? pskb_expand_head+0x64/0x270 Sep 3 23:22:20 stor4 kernel: [] ? __kmalloc+0x189/0x220 Sep 3 23:22:20 stor4 kernel: [] ? pskb_expand_head+0x64/0x270 Sep 3 23:22:20 stor4 kernel: [] ? __pskb_pull_tail+0x2aa/0x360 Sep 3 23:22:20 stor4 kernel: [] ? tcp_init_tso_segs+0x37/0x50 Sep 3 23:22:20 stor4 kernel: [] ? dev_queue_xmit+0x4bb/0x6f0 Sep 3 23:22:20 stor4 kernel: [] ? neigh_connected_output+0xbd/0x100 Sep 3 23:22:20 stor4 kernel: [] ? ip_finish_output+0x237/0x310 Sep 3 23:22:20 stor4 kernel: [] ? ip_output+0xb8/0xc0 Sep 3 23:22:20 stor4 kernel: [] ? __ip_local_out+0x9f/0xb0 Sep 3 23:22:20 stor4 kernel: [] ? ip_local_out+0x25/0x30 Sep 3 23:22:20 stor4 kernel: [] ? ip_queue_xmit+0x190/0x420 Sep 3 23:22:20 stor4 kernel: [] ? sock_aio_write+0x167/0x180 Sep 3 23:22:20 stor4 kernel: [] ? tcp_transmit_skb+0x3fe/0x7b0 Sep 3 23:22:20 stor4 kernel: [] ? tcp_write_xmit+0x1fb/0xa20 Sep 3 23:22:20 stor4 kernel: [] ? __tcp_push_pending_frames+0x30/0xe0 Sep 3 23:22:20 stor4 kernel: [] ? tcp_push_pending_frames+0x33/0x40 Sep 3 23:22:20 stor4 kernel: [] ? do_tcp_setsockopt+0x3d6/0x480 Sep 3 23:22:20 stor4 kernel: [] ? tcp_setsockopt+0x2a/0x30 Sep 3 23:22:20 stor4 kernel: [] ? sock_common_setsockopt+0x14/0x20 Sep 3 23:22:20 stor4 kernel: [] ? sys_setsockopt+0x7f/0xe0 Sep 3 23:22:20 stor4 kernel: [] ? system_call_fastpath+0x16/0x1b Sep 3 23:22:20 stor4 kernel: Mem-Info: Sep 3 23:22:20 stor4 kernel: Node 0 DMA per-cpu: Sep 3 23:22:20 stor4 kernel: CPU 0: hi: 0, btch: 1 usd: 0 Sep 3 23:22:20 stor4 kernel: CPU 1: hi: 0, btch: 1 usd: 0 Sep 3 23:22:20 stor4 kernel: CPU 2: hi: 0, btch: 1 usd: 0 Sep 3 23:22:20 stor4 kernel: CPU 3: hi: 0, btch: 1 usd: 0 Sep 3 23:22:20 stor4 kernel: Node 0 DMA32 per-cpu: Sep 3 23:22:20 stor4 kernel: CPU 0: hi: 186, btch: 31 usd: 183 Sep 3 23:22:20 stor4 kernel: CPU 1: hi: 186, btch: 31 usd: 23 Sep 3 23:22:20 stor4 kernel: CPU 2: hi: 186, btch: 31 usd: 183 Sep 3 23:22:20 stor4 kernel: CPU 3: hi: 186, btch: 31 usd: 181 Sep 3 23:22:20 stor4 kernel: Node 0 Normal per-cpu: Sep 3 23:22:20 stor4 kernel: CPU 0: hi: 186, btch: 31 usd: 171 Sep 3 23:22:20 stor4 kernel: CPU 1: hi: 186, btch: 31 usd: 29 Sep 3 23:22:20 stor4 kernel: CPU 2: hi: 186, btch: 31 usd: 32 Sep 3 23:22:20 stor4 kernel: CPU 3: hi: 186, btch: 31 usd: 32 Sep 3 23:22:20 stor4 kernel: active_anon:1875 inactive_anon:2473 isolated_anon:0 Sep 3 23:22:20 stor4 kernel: active_file:1243637 inactive_file:2505055 isolated_file:0 Sep 3 23:22:20 stor4 kernel: unevictable:0 dirty:268338 writeback:0 unstable:0 Sep 3 23:22:20 stor4 kernel: free:86050 slab_reclaimable:132377 slab_unreclaimable:23744 Sep 3 23:22:20 stor4 kernel: mapped:1293 shmem:222 pagetables:720 bounce:0 Sep 3 23:22:20 stor4 kernel: Node 0 DMA free:15732kB min:124kB low:152kB high:184kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15332kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes Sep 3 23:22:20 stor4 kernel: lowmem_reserve[]: 0 2172 16060 16060 Sep 3 23:22:20 stor4 kernel: Node 0 DMA32 free:107544kB min:18268kB low:22832kB high:27400kB active_anon:468kB inactive_anon:2364kB active_file:566208kB inactive_file:976112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2224900kB mlocked:0kB dirty:96816kB writeback:0kB mapped:908kB shmem:12kB slab_reclaimable:176940kB slab_unreclaimable:968kB kernel_stack:64kB pagetables:192kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Sep 3 23:22:20 stor4 kernel: lowmem_reserve[]: 0 0 13887 13887 Sep 3 23:22:20 stor4 kernel: Node 0 Normal free:220924kB min:116772kB low:145964kB high:175156kB active_anon:7032kB inactive_anon:7528kB active_file:4408340kB inactive_file:9044108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:14220800kB mlocked:0kB dirty:976536kB writeback:0kB mapped:4264kB shmem:876kB slab_reclaimable:352568kB slab_unreclaimable:94008kB kernel_stack:2048kB pagetables:2688kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no Sep 3 23:22:20 stor4 kernel: lowmem_reserve[]: 0 0 0 0 Sep 3 23:22:20 stor4 kernel: Node 0 DMA: 1*4kB 0*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15732kB Sep 3 23:22:20 stor4 kernel: Node 0 DMA32: 16305*4kB 4381*8kB 353*16kB 8*32kB 1*64kB 1*128kB 0*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 107900kB Sep 3 23:22:20 stor4 kernel: Node 0 Normal: 14548*4kB 14808*8kB 2420*16kB 31*32kB 5*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 220784kB Sep 3 23:22:20 stor4 kernel: 3748822 total pagecache pages Sep 3 23:22:20 stor4 kernel: 0 pages in swap cache Sep 3 23:22:20 stor4 kernel: Swap cache stats: add 0, delete 0, find 0/0 Sep 3 23:22:20 stor4 kernel: Free swap = 975864kB Sep 3 23:22:20 stor4 kernel: Total swap = 975864kB Sep 3 23:22:20 stor4 kernel: 4194303 pages RAM Sep 3 23:22:20 stor4 kernel: 126915 pages reserved Sep 3 23:22:20 stor4 kernel: 3753534 pages shared Sep 3 23:22:20 stor4 kernel: 213500 pages non-shared TCP stack and VM config: net.core.rmem_max = 83886080 net.core.wmem_max = 83886080 net.core.rmem_default = 65536 net.core.wmem_default = 65536 net.ipv4.tcp_rmem = 40960 1048560 4194304 net.ipv4.tcp_wmem = 40960 196608 4194304 net.ipv4.tcp_mem = 16388608 16388608 16388608 vm.min_free_kbytes=135168 Additional tweaks: /sbin/blockdev --setra 16384 /dev/sdb echo 2048 /sys/block/sdb/queue/nr_requests Where might the problem be? Thank you.

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  • SSH rsa key works with external IP not internal IP

    - by Ian
    I am using rackspace cloud hosting. I have 2 servers behind a load balancer. Each server has an external IP and an internal IP. I want to setup a sync job that uses SSH to transfer files. I made an rsa key, and I can successfully SSH from server A into server B, using the external IP of server B, without being prompted for a password. If I try to do the same but use the internal IP, it prompts me for a password. I want to be able to use the key instead of the password. Why is this? Is there something special I have to do during key generation so it works for both IPs? Any help is appreciated.

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  • Can the expect utility handle a case where the process it spawns also spawns a sub process?

    - by davidparks21
    I'm trying to use expect to handle rsync over an ssh shell, but it gets stuck. If I run my rsync command it works (simplified here): It prompts me for my password and copies files to the server: rsync -e ssh -<other_params> If I then enclose that in expect: expect -d -c "spawn rsync -e ssh -<other_params>" -c "expect password:" -c "send mypass\r" It does not execute properly, the program exists and no files are copied. Even the debug mode isn't giving many clues. My best guess is that rsync is spawning the ssh process, and the ssh process is what needs to be interacted with, but send is picking up the rsync process id and sending the input there. Any thoughts?

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  • Installing qt headers and libraries

    - by ant2009
    Hello, Ubuntu 9.10 2.6.31-20-generic I am trying to install some software. When I do the ./configure. I get the following error: checking for Qt... configure: error: Qt (>= Qt 3.0.2) (headers and libraries) not found. Please check your installation! So I install the following package thinking this would solve the problem. sudo apt-get install libqt4-dev I was thinking that the libqt4-dev would install the headers and libraries. However, I am still getting the same problem. Any ideas? Many thanks,

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  • Entire filesystem restore from rdiff-backup snapshot

    - by atmosx
    I'm trying to make a complete system restore from an rdiff-backup. The cli for backing was: rdiff-backup --exclude-special-files --exclude /tmp --exclude /mnt --exclude /proc --exclude /sys / /mnt/backup/ebox/ I created a new partition mounted the partition at /mnt/gentoo and did: rdiff-backup -r /mnt/vol2 /mnt/gentoo However when I try to chroot to this system (following gentoo's manual, which means mounting /dev/ and /proc) I get the following error: chroot: failed to run command/bin/bash': No such file or directory` All this takes place on a Parallels (virtual machine) Debian installation. Any ideas on how to proceed in order to fully restore the system? Best Regards ps. /mnt/gentoo/bin/bash works fine if I execute it. All files and permissions are in place rdiff-backup seems to work just fine. However the system cannot neither boot (exits with kernel panic - cannot find init) or be chrooted.

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  • Will these instructions work when turning of journaling on an ext4 SSD?

    - by snowlord
    I have an Acer Aspire One with an SSD for storage. I recently installed Ubuntu on it and chose ext4 for my filesystem. Then I read that journaling on an SSD isn't the best idea, so I will try to disable journaling and I have found these intstructions (from http://fenidik.blogspot.com/2010/03/ext4-disable-journal.html): # Create ext4 fs on /dev/sda10 disk mkfs.ext4 /dev/sda10 # Enable writeback mode. This mode will typically provide the best ext4 performance. tune2fs -o journal_data_writeback /dev/sda10 # Delete has_journal option tune2fs -O ^has_journal /dev/sda10 # Required fsck e2fsck -f /dev/sda10 # Check fs options dumpe2fs /dev/sda10 |more For more performance add fstab opions: data=writeback,noatime,nodiratime i.e: /dev/sda10 /opt ext4 defaults,data=writeback,noatime,nodiratime 0 0 I will use them on my boot partition. Are there any particularly bad parts here, or are there any missing steps? Will my boot partition be fit for being on an SSD after this? Or should I consider switching to ext2, or even reinstall it all and choose ext2 at partitioning time (I'd rather not though, since I've configured quite some stuff already)?

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  • fstab and cifs mounting, possible to store authentication information outside of fstab?

    - by tj111
    I am currently using cifs to mount some network shares (that require authentication) in /etc/fstab. It works excellently, but I would like to move the authentication details (username/pass) outside of fstab and be able to chmod it 600 (as fstab can have issues if I were to change its permissions). I was wondering if it is possible to do this (many-user system, don't want these permissions to be viewable by all users). from: //server/foo/bar /mnt/bar cifs username=user,password=pass,r 0 0 to: //server/foo/bar /mnt/bar cifs <link to permissions>,r 0 0 (or something analogous to this). Thanks.

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  • NTP configuration not recognized?

    - by Eugene S
    I'm trying to configure NTP on my machine but it seems that the parameters I set are not being read by the system. Below is my /etc/ntp.conf file. (I applied the most basic configuration to eliminate other issues) server 10.45.68.47 server 127.0.0.1 After I set the above configuration, I restart the ntpd process by doing the following: service ntpd restart And then I get the following output: Shutting down ntpd: [ OK ] ntpd: Synchronizing with time server: [FAILED] Starting ntpd: [ OK ] Moreover, I can see the following in /var/etc/messages: Apr 2 10:54:07 hsystem1a ntpd[21067]: ntpd exiting on signal 15 Apr 2 10:54:07 hsystem1a ntpdate[21537]: can't find host ntpServer1 Apr 2 10:54:07 hsystem1a ntpdate[21537]: can't find host ntpServer2 Apr 2 10:54:07 hsystem1a ntpdate[21537]: no servers can be used, exiting So it seems that the ntpServer1 and the ntpServer2 are being read from somewhere instead of the IPs I configured in /etc/ntp.conf. NOTE: I done init 6 on the machine just in case. Thanks!

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  • how to remove background layer of djvu file

    - by Jon
    Hello, I've downloaded some files from the Internet Archive. They come in different file formats and most of the time I use pdf. However, sometimes the scans are saves in colour instead of b/w. This makes it difficult/impossible to read on a dedicated ebook reader. In that case I downloaded the djvu files as on the PC you can select which layer (color, bw,fore,back) one would like to see. Selecting the bw gives excellent results. However, the ebook reader does not has this option. The question is, how can I remove /extract a layer from the djvu file and save only this layer. So far I've tried the following two approaches: 1) select bw in the djvu viewer on the PC and printed to postscript file. Followed by a ps2pdf conversion. This works, but generates a fairly large pdf file. Sure, I can again upload it to any2djvu but it just seems to much manual work for each file. 2) I tried the shared annotation feature and said (mode bw). This works on the PC as desired but is ignored on the ebook reader as the other layers are still present. Any help or suggestions would be greatly appreciated.

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  • installing wxGTK-devel on CentOS 5.4

    - by jackhab
    I'm trying to install wxGTK-devel on CentOS and since it's not in the base repo I added RPMForge. But now I'm getting these broken dependencies. I don't want start tampering with separate rpms because I suspect it will make thing worse. I remember installing this package from RPMForge without a problem several months ago. Please, advise. ... wxGTK-2.8.10-1.el4.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: libgstreamer-0.8.so.1()(64bit) is needed by package wxGTK-2.8.10-1.el4.rf.x86_64 (rpmforge) wxGTK-2.8.10-1.el4.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: libgstgconf-0.8.so.0()(64bit) is needed by package wxGTK-2.8.10-1.el4.rf.x86_64 (rpmforge) wxGTK-2.8.10-1.el4.rf.x86_64 from rpmforge has depsolving problems -- Missing Dependency: libgstinterfaces-0.8.so.0()(64bit) is needed by package wxGTK-2.8.10-1.el4.rf.x86_64 (rpmforge) Error: Missing Dependency: libgstreamer-0.8.so.1()(64bit) is needed by package wxGTK-2.8.10-1.el4.rf.x86_64 (rpmforge) Error: Missing Dependency: libgstinterfaces-0.8.so.0()(64bit) is needed by package wxGTK-2.8.10-1.el4.rf.x86_64 (rpmforge) Error: Missing Dependency: libgstgconf-0.8.so.0()(64bit) is needed by package wxGTK-2.8.10-1.el4.rf.x86_64 (rpmforge)

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  • Galera install failure on Fedora 18

    - by ehime
    I've been trying to reinstall MariaDB and have been encountering multiple issues, $ yum install Mariadb-Galera-server Error: Package: MariaDB-Galera-server-5.5.29-1.i386 (mariadb) Requires: galera Available: galera-23.2.4-1.rhel5.i386 (mariadb) galera galera = 23.2.4-1.rhel5 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest there is a requirement that libssl.so.6 and libcrypto.ssl.6 are installed, these DO show up in my /lib64 and /lib though as linked items. /usr/lib -rwxr-xr-x 1 root root 1356700 Nov 23 2010 libcrypto.so.0.9.8e lrwxrwxrwx 1 root root 19 Jun 28 12:03 libcrypto.so.6 -> libcrypto.so.0.9.8e -rwxr-xr-x. 1 root root 394272 Mar 18 14:22 libssl.so.1.0.1e lrwxrwxrwx 1 root root 16 Jun 28 12:03 libssl.so.6 -> libssl.so.0.9.8e /usr/lib64 -rwxr-xr-x 1 root root 1849680 Mar 18 14:21 libcrypto.so.1.0.1e lrwxrwxrwx 1 root root 26 Jun 28 11:54 libcrypto.so.6 -> /lib64/libcrypto.so.1.0.1e -rwxr-xr-x 1 root root 421712 Mar 18 14:21 libssl.so.1.0.1e lrwxrwxrwx 1 root root 23 Jun 28 11:54 libssl.so.6 -> /lib64/libssl.so.1.0.1e So the deps SHOULD be met, trying to $ yum install galera returns this Resolving Dependencies --> Running transaction check ---> Package galera.i386 0:23.2.4-1.rhel5 will be installed --> Restarting Dependency Resolution with new changes. --> Running transaction check ---> Package galera.i386 0:23.2.4-1.rhel5 will be installed --> Finished Dependency Resolution No errors? but no install either .... ? lets try wget and rpm'ing the package instead I guess? $ wget https://launchpad.net/galera/2.x/23.2.4/+download/galera-23.2.4-1.rhel5.x86_64.rpm $ rpm -ivh galera-23.2.4-1.rhel5.x86_64.rpm This issues the dreaded error: Failed dependencies: libcrypto.so.6()(64bit) is needed by galera-23.2.4-1.rhel5.x86_64 libssl.so.6()(64bit) is needed by galera-23.2.4-1.rhel5.x86_64 But we saw above these packages are here =( Whats going on?? Is openssl not installed? $ yum install openssl Loaded plugins: langpacks, presto, refresh-packagekit Package 1:openssl-1.0.1e-4.fc18.x86_64 already installed and latest version Nothing to do Its there.... ??? wth Fedora?

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  • Trying to change a Ubuntu user's password, authentication token manipulation error

    - by beagleguy
    I'm trying to create a local user on a new Ubuntu box. I'm unable to change the password, and I keep getting the error below. The user gets added to the shadow file, but I can't get it to set a password. How can this be fixed? admin@theserver:~$ sudo useradd jamz [sudo] password for admin: admin@theserver:~$ sudo passwd jamz passwd: Authentication token manipulation error passwd: password unchanged admin@theserver:~$

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  • where are deleted files kept?

    - by ant2009
    Hello, Ubuntu 9.10 I recently deleted some files. I would like to know are the files kept in a directory? Like in windows recycle bin. I would like to know where these files are? Many thanks for any suggestions,

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  • circumstances where software change leads to device damage

    - by nerorevenge
    Recently I changed a friend's OS from a really virus filled windows 7 to Ubuntu ..but kept changing os's because lsusb wouldn't detect the camera.But after coming back to windows, the camera wasn't detected, though I must point out the device driver for the camera was never found. The Sony 'technician' told me that that since the dev-manager of windows 7 couldn't detect the camera , irregardless of whether the device driver was installed, the software change must have damaged the hardware. I was wondering if there is any truth to it.

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