I have the following error on one of my servers. Is there a way to tell which directory is exactly having the problem? if there is, if i delete that directory, will that resolve the problem or no?kernel: EXT2-fs error (device md(9,0)): ext2_check_page: bad entry in directory #10158084: unaligned directory entry - offset=0, inode=605471640, rec_len=7606, name_len=177
View 4 RepliesI need to create and access a very large number of directories (and by large I mean millions). Each directory's name consists only of numbers, which are incremented every time a new directory is created (so there will be directory 1, 2, and so on).Of course I could just dump all these directories under the same parent directory, but I reckon I would run into filesystem limits. Moreover, I presume that entry lookup is not a O(1) operation, which means that lookup does not scale well.
One solution is to use some sort of prefix tree for storing the data. In this scheme, the data for directory "1234" would actually be stored in "/1/2/3/4".This solution has the advantage that each subtree never has more than 10 entries, but the disadvantage of requiring as many individual lookups as the length of the path.There are also intermediate solutions: using a maximum of 100 entries per directory, "1234" would become "/12/34", per example.In order to choose the best scheme, I must know more about the scalability of directory lookup under Linux. What's the maximum reasonable number of entries for a directory before lookup becomes too slow? Does someone know exactly what are the limitations of the algorithm used for directory lookup?
Is there an easy to make an entry in /etc/exports to export a directory for every entry in /etc/hosts?
View 2 Replies View RelatedThe *.dbf files (DBase III Plus files) have a header (metadata) and follow with n fixed records. I'd like to make a directory entry (like a symbolic link) that point to the fixed record area into a .dbf file. Is it possible in linux? The request is motivated by access a .dbf file from a Firebird SQL Database using CREATE TABLE EXTERNAL FILE '/tmp/mydbf.dbf' ( ... ); but this command only works on fixed records.
View 1 Replies View Related3.What /etc/exports entry would export a directory named /nfs to all clients on the subnet 192.168.10.0 and give them read-only access?
View 3 Replies View RelatedI have the following cron entry but it doesn't seem to be running:
Code:
The script does exist. And so does the directory /home/usr/log and writable. /var/log/syslog only has a bunch of these:
Code:
I don't see any file gets written to the log directory. That suggests to me that cron didn't run the job, as confirmed by /var/log/syslog.
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Password: su: /bin/bash:/sbin: No such file or directory i cannot delete that entry from /etc/passwd as i cannot login as root.
In my server i was not able to find any log entries in /var/log/messages,/var/log/secure.there is no entry found in /var/log/messages just the file is empty.i want to know wat would be the problem & solution for the problem.
View 2 Replies View RelatedI am a M.C.S.E certified professional and i want to become a linux admin, presently i am pursuing rhce from a reputed institute , how can i get entry level job in linux , which topics i should be very clear.
View 3 Replies View RelatedI am having a situation where I do not have DNS server (the person who has that is not me) for a few websites which are running on a reverse proxy. I recently after having a long trouble shooting hours found that my proxy pass entries look as follows
Code:
ProxyPass /app1 http://192.168.1.3:8080/app1
ProxyPass / http://192.168.1.3
ProxyPassReverse /app1 http://192.168.1.3:8080/app1
ProxyPassReverse / http://192.168.1.3
If I use the entries as above then some one from internet is able to access the sites.But from within LAN people are unable to access it.
How ever if I use
Code:
ProxyPass /app1 http://site1.myserver.com:8080/app1
ProxyPass / http://site1.myserver.com
ProxyPassReverse /app1 http://site1.myserver.com:8080/app1
ProxyPassReverse / http://site1.myserver.com
then things work on LAN but from internet it is not accessible.What can be a solution in this case will putting things in resolv.conf do?
I have configured master and slave Bind servers. Everything works fine. But whenever I add a new zone entry at master server it is not getting updated at slave server in logs I see this error:
client 192.168.1.1#43428: view external: received notify for zone 'yourdomainname.com': not authoritative
At master server I do not see any error or warning message. This error clearly indicates that named.conf file does not have zone entry in it or domain name is wrong. While checking the named.conf file I see that the zone entry has not been updated at slave server. If I update it manually and reload named on slave then zone files (db files) are getting created without any issue and any modification at master server for the zone records are also getting updated. My concern is why zone record is not getting appended at slave server in named.conf file.
Is there anything I am missing in the configuration. I am pasting the steps which I have followed to configure my master and slave server:
Configure Bind as master and slave server
Install Bind on your server
yum install bind
OR
sudu apt-get install bind9
Generate RNDC Key using the command
rndc-confgen -a -k rndc-key
it will stored in /etc/rndc-key file
Master Server IP 192.168.0.1
Slave Server IP 192.168.1.1
Master Server Configuration
options .....
I've run into a strange issue with a DHCP/DDNS setup whereby when the DHCP server asks the DNS server to add a new host, the forward map is added correctly but the reverse map has the subdomain added twice (e.g. 192.168.25.192.168.25.250)I'm running ISC DHCPd version 3.0.1 and BIND version 9.2.3 on SuSE 9.2 - 32bit.Here is my dhcpd.conf file:
# dhcpd.conf
authoritative;
include "/etc/named.keys";
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when i starting the server..it is coming to maintenence mode and saying repair file system...because /home1 was not found in /etc/fstab.. when i tried to remove the entry from fstab for /home..it is read only!!
View 5 Replies View RelatedI have a server with Fedora 13 with which I would like to get NFS working. I have looked up multiple howto's and tutorials, but I'm having a problem not addressed by any of them.Official how-to, another how-to, and another how-to.I have verified that nfs-utils, nfs-utils-lib, portmap, and system-config-nfs are installed and running. I have verified that I have, in fact, shared the directory that I want to share, and that the proper permissions are set.
I had to go through some gyrations to get the Belkin wireless N router to allow my server to have a static IP. However, I can ping the server from the nfs client (a toshiba satellite running mint 8), and vice versa. I have (for now) disabled firewalls on both computers. I think I have disabled SELinux on Fedora 13 (for now).When I attempt to connect to the server from the client, the output looks like this:Quote:
aragorn ~ # mount -v 192.168.2.101:/test /home/kelev/test/
mount: no type was given - I'll assume nfs because of the colon
mount.nfs: timeout set for Sat Dec 18 12:21:09 2010
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How to change the password of Directory Manager in RED HAT Directory Services through a ldapclient through command line or graphical.
View 1 Replies View RelatedCode:
192.168.0.133:/openils /openils nfs4 rw,_netdev,auto 0 0
fails to mount the nfs4 share, however
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I need a single user ftp server on a dedicated machine which encrypts passcode transaction (and preferably everything else) and logs attempted entry. Assume forwarding port stuff / DMZ stuff is already setup.
connecting client will be either command-line tools or winscp, depending on client OS.
I spent all day learning some concepts of Samba which I left while preparing for RHCE.One of them is how to permanently mount (fstab entry) windows shared folder.Manually mount command is running fine for me.
View 6 Replies View RelatedI m having a RHEL-5 sever.ABC directory size is 57GB after taking backup in the same disk with name ABC.bkp showing 56GB. i used below command to copy/backup. # cp -r ABC ABC.bkp (different sizes after copying)..I checked both the directory sizes by #du -sh <ABC> and du -ks <ABC.bkp>In both GB and KB there is lots of difference (200mb). why this will happen in copying? what is the solution for above question? what is the correct way of copying 1dir to newdir exactly?
View 4 Replies View RelatedI'm using OpenSSH 5.5p1 on Fedora 15. I'm trying to get a chrootDirectory to work. Specifically trying to figure out why I can't write files to a sub-directory of the chroot directory. I created a user test_user and created a group called sftp. I added test_user to the sftp group. I edited /etc/ssh/sshd_config as follows:
Code:
Subsystem sftp internal-sftp
Match group sftp
ChrootDirectory /home/sftp_users/%u
X11Forwarding no
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Ubuntu server recently had issues with a disk. fsck seemed to correct everything, but I have one directory that I can't delete, chown, chgrp, chmod, etc.
Here's the listing for the directory
dr-x-wxrwt 2 16709 25134 8192 2020-08-23 22:34 UDLEDATB.DBF
Note the sticky bit is set and the uid is a number that does not appear in /etc/passwd.
Even as root, any attempt to delete, chmod, chown, etc. gives "Operation not permitted".
Since sticky bit on a directory restricts delete to the owner and the owner is invalid, I am stuck. I need to delete this directory.
How can I fix this?
I have uShare 1.1a setup to talk to my XBox 360. If I share a directory that has no subdirectories, the video files display on the XBox. However, most of my files are in sub-directories on a different partition - I don't really want to copy them to the share, but uShare doesn't seem to recognise any sub-directories or files contained therein.
I have tried setting up symbolic soft links directly to the video files (although this is a pain, it is better than moving the files)...
Code:
ln -s /home/jonftp/TV-Shows/Buffy/Season-1/Buffy-101.avi /home/share/Buffy-101.avi
...but these don't show up on the XBox either.
How can I get uShare to "drill down" the directory structure to list the files or how can I get uShare to follow symbolic links?
how i can respawn a process/system service by adding respawn entries in /etc/inittab ?
View 1 Replies View RelatedI mount a device mount /dev/xvdf /mnt/mongo and verify the mount using df-h:
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 7.9G 955M 6.9G 12% /
tmpfs 299M 44K 299M 1% /dev/shm
/dev/xvdf 20G 589M 19G 4% /mnt/mongo
But now I'm trying to figure out how to make it auto mount on boot. I understand I need to add a new entry to /etc/fstab, so I perform: $ sed -i '$ a/dev/xvdf /mnt/mongo xfs defaults 1 1' /etc/fstab But, after reboot, it seems that the auto mount didn't work. The device didn't appear in the df -h list.
I just installed archlinux to try it out and need to add the entry to Grub.
I formated the hard drive with the a root partition for arch of 42Gb and ubuntu can see it perfeclty.
When I was installing arch I made a mistake and installed grub again, overwriting my previous grub with my ubuntu and windows entries.
So I fixed and got my working grub back with SuperGrubDisk, but now I want to add the ARCHLINUX entry to Grub and dont know how. I have added the previous entries from the grub that ARCH installed and moved the initrd and vmlinuz files to the /boot directory on ubuntu, but it doesnt work. I did a similar thing with Acronis True Image rescue cds(to avoid having to insert the cd in order to use it) and it worked like a charm, but I am lost in this one.
Here are my partitions, sdb is the one where all my partitions and files are (sdb5 is where ARCH is), the other 2 are backups:
Quote:
Disk /dev/sda: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xda85214c
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When I click on the "shutdown, logout, suspend etc."-button in the upper right corner there is no option to hibernate my machine. I've got suspend, reboot and shut down, but no hibernate. What would be the reason for this?
If it should tell anyone anything, my computer is a Packard Bell TJ71 laptop with the following lspci output:
Code:
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge Alternate
00:01.0 PCI bridge: Acer Incorporated [ALI] Device 9602
00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0)
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I was trying to find documentation on how to add an a new object into openldap, however I can not seam to find a good walk through.
Just so everyone knows what I'm trying to do, I need to add a new object called bannerid, this bannerid is a unique id that will help me find student accounts in my openldap directly much quicker.
i think i have found a bug in the unix ACL permissions. I tested this problem in the Ubuntu 9.10 and in SLES 10 and 11, all of them with setfacl 2.2.47.
Well, I have done the following test:
1) Create a folder and set some named user, and set the same ACL entry for the Default ACL, like the following example:
Code:
mkdir dir1
setfacl -m u:rodrigo:rwx dir1/
setfacl -d -m u:rodrigo:rwx dir1/
getfacl dir1/
# file: dir1/
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Note that some permissions are different from the ones in the Default ACL in the dir1/
why the file1's permissions are diferrent from the dir1's default ACL entries? Is this a bug?
I am using a windriver Linux. I have built the I2c-core, i2c-i801 and i2c-dev drivers and they are getting inserted while booting. After boot up, there are sysfs entries in /sys/class/i2c-dev/i2c-0 and /sys/bus/i2c/i2c-0. But there is no entry in /dev. In dmesg, it shows a line:
Quote:
i2c /dev entries driver. But it does not creates any entry in /dev.
I'm trying to make a program to simulate a parabolic movement, so i've added 2 entries, one for the initial velocity and other for the angle, anyway you probably don't care about that xD what i want is to take the number entered in the entry and put it in a variable to do the math, and then show everything in a dialog or something. how do i do that?
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