Server :: Possible To Write Script For This Scenario?
Mar 19, 2011
We are hosting Webserver using Apache -tomcat , in our company we are following this way for our every new enhancement in production server.for example if the developers move any new code moved to the server means that time we'll do 1.first check the time / date2. mod_jk log which domain currently accessing our client,3. and check the last 20 lines of the http_access log in http access log if the domain accessing from our side means that means we are using two static ip , in the http_access log in the last 20 lines our static ip(ex 122.65.77.88, 122.65.77.89) displayed means we then4. stop the tomcat and killall the java process and again restart the tomcat process.elsein the http_access log display any other ip means we check the time/date if the date/time is current date/time means we just hold the server restart for few mins otherwise we restart the server.Note these all scenario happens while minor server push......for this scenario is it possible to write the script
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Aug 27, 2010
I use bind 9.3.4 on RedHat 5.3, and I try to create some simple DNS related scenario. I have two DNS servers. One of them serves rodnower.org. zone and an other service web.rodnower.org. zone. The parent has glue record to child. I sussessfully query all rodnower.org. records, but failed to get data from subdomain. So here relevant data from namd.conf of parent zone:
Code:
view "main" {
zone "rodnower.org" IN {
type master;
file "rodnower.org.zone";
[Code]...
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Nov 27, 2010
I installed bonnmotion 1.4 but when I try to generate a scenario, i get the error msg
bm: command not found.
if I replace bm by ~/Bureau/bonnmotion-1.4/bin/bm , I get This error msg :
Exception in thread "main" java.lang.NoClassDefFoundError: edu/bonn/cs/iv/bonnmotion/run/BM
Caused by: java.lang.ClassNotFoundException: edu.bonn.cs.iv.bonnmotion.run.BM
at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
Plsss any idea on how to resolve this?
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Sep 12, 2010
i had configured a MySQl Replication Server with 2 DB Servers.Now we are planning to implement a failover Scenario.If Master fails The slave should act as a Master and we have a addition server.It will be going to act as slve.i had mentioned the points below..
Replication
(Master Server)----->----(Slave Server)-----------(Additional Server)
DBS 1 DBS 2 DBS 3
1.Replication is made between Master (DBS 1) and Slave (DBS 2) (successfully done)
2.If Master (DBS 1) failed Slave (DBS 2) should act as a Master and Additional Server (DBS 3) needs to be Slave
3.Whenever Orginal Master (DBS 1) became online the current Master ie ..Slave (DBS 2) should go back to Slave position and all lost data will be replicated to Master DBS 1.
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Apr 18, 2011
I am trying a scenario for calling a shell script when ever a trigger is called. Can some one guide me how to achieve this scenario. Also it should passes the value from the table to the shell script. Can some one explain me along with the example.
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Apr 27, 2010
I want to cram as much speed as possible from my EEEPC 1005 from the current scenario
-mostly web apps through Chrome/FF
-desktop apps used mainly terminal, VLC, remote desktop => don't want fany interface, just fast and lightweight
-my home folder only 2gb => don't really need the hard drive
-I want fast boot time!
I really don't want to mess with my hardware and replace the hard drive with SSD. But I could run linux from USB memory (they're said to run faster than the casual SD memory cards). So my questions to you are
-which USB memory, what speed is minimum?
-is Ubuntu maybe overkill, should I go for the smaller distros? Most importantly - will I gain any speed from that???
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Jul 16, 2009
So, I had fun with this one the past week. I had an FC11 system running just fine. Then one day it would not boot - it was hung somewhere inside the init script of the initrd image. CTRL-ALT-DEL would reboot the system. Using grub editor, I could temporarily delete the initrd line and boot into the system OK. But what was going on?
mkinitrd was of no help to me. I even did a yum update, which got a new kernel, which also generated a new initrd - no joy. I extracted the initrd file system and edited the init script. I eventually hit on this tidbit: If I commented out this line:
daemonize --ignore-missing /bin/plymouthd and rebuild the initrd image - the system would finally at least tell me what the problem was: mount failed for selinuxfs on /selinux. No such file or directory.
So, I examine the root (the real root, not the initrd temporary root) - and sure enough, no /selinux. I make one and reboot. The system goes into a "targeted policy relabel" operation, reboots, and I am back in business - even with my original, unmodified, initrd.
I have no idea what happened to my /selinux directory, but I think the initrd "init" script needs to check for this directory's existance, and make it if necessary. Or at least report that it isn't there. In FC11 right now the system just HANGS without this directory being present, without any clue as to what the problem is!
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Mar 12, 2010
we are running a Red Hat Enterprise Linux ES release 3 (Taroon Upd 5) Kernel 2.4.21-32.ELsmp since several years. The server hosts an old ERP system who will be replaced at the end of the year.However it is necessary that some collegues are able to write some files to that server regulary. Since we are running Windows 7 on several machines, those users aren't anymore able to write to the samba share. Getting files from the share works fine.
But the problem seems not to be situated at the samba service because also the transfer using SSH (WINSCP) from any Win7 system to the server doesn't work.During testing we recogniced that transfering files smaller then 1kb works fine ... any file greater then 1kb ends up in an connection abort. This works with samba and also using SSH.All the workarounds editing some registry entries in Win7 for improving the interoperability between vista / win7 and samba don't work for us ... and also seem not to be the source of the problem.Is there a general known incompatibility between our RHEL version / kernel and Windows 7 regarding file transfers?
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Aug 2, 2010
I have made an update to 11.3 which brought along a lot of trouble, which I may have caused by mixing the use of YAST and CLI zypper, but most bugs are sorted out except that my OpenOffice does not save to my server, other applications do without hesitation. Have defined the target with NFS shares, no NFSv4, all defaults.
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Mar 29, 2011
I am trying to make a bootable DVD in RHEL5 but it wont let me write to DVD. I have tried following command to write to DVD:
cdrecord dev=/dev/hdc -v -eject /root/inst/images/boot.iso
dvdrecord dev=/dev/hdc -v -eject /root/inst/images/boot.iso
I am getting the following error message when I run the above commands:
Error trying to open /dev/hdc exclusively... retrying in 1 second.
cdrecord: For possible targets try 'cdrecord -scanbus'
cdrecord: Device or resource busy. Cannot open '/dev/hdc'. Cannot open SCSI driver.
I have also checked /dev/ directory and cdrom is linked to hdc and cdrom-hdc.
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Jun 11, 2010
I have a Samba Share which is mounted on various linux systems throughout the network. Whenever any of my user access those files using vim, Gedit it works fine and get perfect permissions to read/write those files. but whenever they try to open with any php IDE (quanta plus, geany, eclipse-pdt) they get error while saving those files. I dont think it is a permission or samba issue because we are able to edit/save those files using normal editors..
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Apr 23, 2010
Its a silly problem but I am facing it.The OS is Debian Lenny ,apache2. I am having a webserver.www.mydomain.comand site1.mydomain.comsite1 is on a webserver which is on LAN.
On main server i.e. our Gateway
in /etc/apache2/sites-available/
I have
[code].....
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Jun 29, 2010
how i will write my own telnet server instead of existing one.please give me the path for telnet.c file in the linux kernel
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Nov 22, 2010
we have a data transfer network drive, shared via nfs and samba.But now I got the special demand to make any of the files read and wirteable, regardsless of the permissions they had before.With acl I get the right permissions (via default values) but the standard unix permissions overwrite this. e.g. when I have 644, it does not care that the group has write permissions)Does someone have an idea (except chmod via cronjob )
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Jul 1, 2011
This is the entry which iam seeing in my /var/log/messages. code...
because of the issue now i cant able to write the zone file, via my application. automatically..is it possible to resolve this issue!
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Sep 10, 2009
I have an HP GL380 with an MSA20 connected for storage space, we use it as an nas unit. The system is SLES 10. We use both NFS and SMB for file sharing, no special users and so. We are 8-10 users of the machine. We store both large and small files such at thumbnails and disk images.
Now, my problem. I�d like to give more priority for reading files on the server, so a user can look at pictures without problem, and if another user is writing an image file of an disk (10-1000 GB) this writing process should get less priority. The most important is always reading files, to get the job done.
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Nov 16, 2010
I wasn't sure where to post this question so administrators, feel free to move it.I have a media server I set up running Ubuntu 10.4 Server, and I set up a software raid 5 using 5 Western Digital Caviar Green 2TB 7200RPM 64MB drives. Individually they benchmark (using the Ubuntu's mdadm GUI (pali?somthing...) at about 100-120mb/s read write.I set the raid 5 up with a stripe size of 256kb, and then I waited the 20 hours it took to synchronize. My read speeds in raid are up to 480mb/s, but my write max is just under 60mb/s. I knew my write performance would be quite a bit lower than my read, but I was also expecting at least single drive performance. I have seen other people online with better results in software, but have been unable to achieve the results they have gotten.
My bonnie++ results are more or less identical (I used mkfs.ext4 and set the stride and stripe-width).The PC has 2048mb of RAM and a 2.93Ghz Dual Core Pentium (Core 2 Architecture), so I doubt think that's the bottle neck. These drives are on the P55 (P45*) South Bridge SATA controller.
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Jun 3, 2011
i play around with c for producing some io to a san-disk and struggle with basics here. :-(
if i'm using the write()-call to write 1 byte to a file on the disk iostat tells me i'm producing 3 writes. if i write 1 byte twice a second, it tells me i produce 6 writes (w/s).
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Dec 28, 2010
I have setup a NFS server and this the content of /etc/exports at the server with IP A.B.C.D1 is:/home/shared A.B.C.D2(rw,no_root_squash)Problem is, only the root at A.B.C.D1 and A.B.C.D2 can write to that folder.
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Jan 31, 2011
solve the following problem...mtrr: type mismatch for c0000000,10000000 old: write-back new: write-combiningThis i am getting many lines in DMESG.
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Nov 17, 2009
Ive installed Gaussian '03 on fedora Core 10, but I'm unable to run it. It aborts and i get the following error
Code:
Erroneous write during file extend. write -1 instead of 4096
Probably out of disk space.
Write error in NtrExt1
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Oct 16, 2010
Currently running mythbuntu 10 and I'm trying to write a script that will move the *.mpg recording onto my server when it has finished recording. It is automated so I need it not to prompt for the password.
This is what I have so far:
1) System events, when finished recording: /var/lib/mythtv/mover.sh
2) mover.sh (chmod +x)
Code:
#!/bin/sh
#this is to move the files after recording locally
#to a unRaid box (reiserfs conflict)
sudo mount {server ip address}:/mnt/cache/ /mnt/pvr
sudo mv /var/lib/mythtv/recordings/*.mpg /mnt/pvr
3) sudo visudo
Code:
{name of pc} All = NOPASSWD: /var/lib/mythtv/mover.sh
This is my first script and I don't know too much so go easy, but I'm not sure what I'm missing.
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Feb 3, 2011
on the following link [URL] section 2 says
Quote:
The following directories need to be readable, writeable and executable for everyone:
* dokeos/main/inc/conf/
* dokeos/main/upload/users/
* dokeos/main/default_course_document/
* dokeos/archive/
[Code].....
I am not at all convinced by the idea of giving permissions to read,write and execute as these Learning Management Systems say. Let me know what you people have to say? What is the best practise in such situations? I have to get all these LMS run on same web server.
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Feb 9, 2009
After the syslog facility rolls logs weekly, the Postfix cannot seem to write properly to the mail.log file. What I don't quite understand is that Postfix is still able to write the following error to the log file: ..."status=deferred (temporary failure. Command output: Can't open log file /var/log/mail.log: Permission denied )"It is my understanding that Postfix uses several different processes to write to log files, but I'm confused as to why it is able to write errors to the log but not able to write when sending/receiving mail. After I chmod 777 the mail.log file, Postfix slowly clears the queue and the mails are then received. Everything functions fine for another week, until the logs roll again.
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Jun 25, 2010
I've got a Seagate Blackarmor NAS which I can mount with CIFS to my Centos 5 server fine but only root can read and write to it. All other users can only read. I've tried several different mount options but results are always the same.
Specific issue: I'm trying to connect the the NAS so Bacula, a backup app, can write backups to it. "bacula" is set up as a user on the NAS. BTW, I'm pretty sure the OS on the NAS is Linux, and I can connect through windows and write fine.
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Dec 4, 2009
I am using samba t share my files.I am sharing /media/MEDIA folder. it is a ntfs partition mounted with ntfs-3g with write/read access from linux.I can see and browse my shares and also create files in the root of this partition, ie /media/MEDIA, but in its subfolders i do not have write permissions.
another interesting thing is that i have permission to create directory and delete files everywhere and in any folder, subfolder but when trying to create files i get not enough free disk space error.by the way i dont know if this config file is correct, i find as template in internet.
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Mar 21, 2010
I'm running Ubuntu 9.1 server on an PII Compaq. Read an article "Samba: How to share files for your LAN without user/password" [URL] and some others and can see and pull up files, can't change or delete. Here is my smb.conf:
# Sample configuration file for the Samba suite for Debian GNU/Linux.
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which
# are not shown in this example
# Some options that are often worth tuning have been included as
# commented-out examples in this file.
# - When such options are commented with ";", the proposed setting
# differs from the default Samba behaviour
# - When commented with "#", the proposed setting is the default
# behaviour of Samba but the option is considered important
# enough to be mentioned here .....
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Jun 29, 2010
I can map the share just fine, but cannot write, regardless of how open I make the permissions of the Samba share.
Share from testparm:
[student]
comment = Test share
path = /home/share/students
valid users = @students
admin users = DSSJCAdministrator
write list = @students
read only = No
create mask = 0770
force create mode = 0770
directory mask = 02770
force directory mode = 02770
directory security mask = 0775
guest ok = Yes
getfacl:
getfacl /home/share/students/
getfacl: Removing leading '/' from absolute path names
# file: home/share/students/
# owner: root
# group: students
user::rwx
group::rwx
group:students:rwx
mask::rwx
other::rwx
AD auth works fine with winbind, getent/wbinfo returns properly enumerated groups.
Unfortunately, the logs say:
[2010/06/29 11:17:32, 2] smbd/open.c:2447(open_directory)
open_directory: unable to create New folder. Error was NT_STATUS_ACCESS_DENIED
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Feb 12, 2011
i am trying to write a shell script which will check my IP and domain name in rbl and inform me if it is listed.
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May 31, 2011
I am having an issue with a Chrooted SFTP User not being able to write files.
The permissions are setup correctly as if I remove the Chroot the user can write files correctly.
User has a transfer folder which they should be able to write files to and read from, this works correctly until I apply the snippet from sshd_config file below then the user can only read files. I have tried tweaking the permissions but this doesn't seem to have helped at all.code...
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