Does anybody know why isn�t anything on the /var/log/boot.log file. After the boot I saw some services that fail to load and looking for more detail data on the boot.log file I couldn�t found anything this file is empty. This is My syslog.conf file:
Code:
kern.* /dev/console
*.info;mail.none;authpriv.none;cron.none /var/log/messages
[code]...
I am a final year student doign Computer systems engineering and just been introduced to linux. While still strugling to catch up with the commands, I am now given an assignment under shell scripting.I seriously am strugling to understand this question, can you please assist me.Here follows the assignment:
Operating Systems III
Some tips
e.g. (test if a file is empty, if it is then display "file is empty" otherwise display
[code]....
I'm trying to write shell script to use etc/init.d In fact, my application has written by java and I have made the fat.jar (etest.jar)file as executable one and after I wrote the small script to run it background (etestruner.sh) that is,
Code:
#!/bin/sh
java -jar /root/les/run/etest.jar >/opt/etstout.out 2>&1 &
And after I wrote the service script That is ,
Code:
#!/bin/sh
#
# Startup script for epict
#
# chkconfig: 2345 25 88
[code]....
I tried with google to solve this issue but did not get any result.
I've noticed that when I run:
davek@linux-kw2x:~> df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 20641788 8427780 11165368 44% /
udev 961204 192 961012 1% /dev
/dev/sda3 217642344 4037944 202548468 2% /home
davek@linux-kw2x:~>
I have 44% used. It should be much smaller, under 10%. How do I empty the /tmp file or other file to free up space?
I have a large file that a process writes to. I would like to empty that file. If I delete it the process will stop writing to it. Just flush the content but keep the file.
View 9 Replies View RelatedI was copying an .avi file to an external hard drive and half way through the copy the drive reset and required remounting. Consequently I have an empty .avi file on the hard drive. I tried to recopy the file and overwrite, but I keep getting 'Could not write to media/harddrive/filename.avi'. I tried to rename to file to be copied but got the same response, I cannot delete the empty file either, as I get an error telling I cannot delete it. I have tried to do this as the user and root with the same result.Any other file I tried to copy onto the external hard drive is fine, just this one zero length file and the file I was trying to copy, the original of the file. I also tried to delete the file on another computer but couldn'tExternal hard drive is a WD elements ntfs, which works great except for this glitch.
View 3 Replies View RelatedI have this file: 1.txt, with this contents:
Code:
test
mycomputer
I just try change the string "mycomp*" by "othercomputer":
Code:
sed 's/mycomp.*$/othercomputer/' 1.txt > 1.txt
but sed command empty the file.
[Code].....
I am using embedded Linux. File open is successful. The file has all the permissions. It is present in current directory too. The size is about 27KB. But s.st_size says it is zero.
inputFileName = "abc.mp3";
FILE* inFile = NULL;
inFile = fopen(inputFileName, "r+b");
[code]...
I was checking my syslog.conf file recently and it seems that it is an empty file >_> it shouldn't be correct?
View 2 Replies View RelatedI have setup a local repository containing several .rpm files. I created a comps.xml file outlining the category and groups for the local repository. However, when I issue the yum grouplist command, I get the following error:
Failed to add groups file for repository: localRepo - comps file is empty/damaged
However, if I try to install one of the the packages in the repository, it works just fine.
Here are the steps I took to create the repodata:
The comps.xml and repository are stored in the directory:
/var/www/html/myrepo/x86_64
cd /var/www/html/myrepo/x86_64
createrepo -g comps.xml .
[Code]....
I having been searching for a way to create an empty or blank iso file, so that I can mount it, and have a backup application think it's a blank CD. I am tired of wasting CD's by having the application write a recovery CD, just for me to turn around and export it to an iso image to be stored in a online archive, and then throw away the physical CD.
View 5 Replies View RelatedUsing awk I pull the first field of a random line from my datafile.myvar1=`awk -F" " 'NR=='$randline' {printf "%s", $1}' myfileThis works fine. The problem is there will be empty lines at the end of the file. Rather than using awkto filter out blank lines I would like to figure this out first.So I test $myvar1 for a blank string after setting $randline to one that I know is blank:test -z "$myvar1" && echo "true" || echo "false"But, this returns "false"? So the string is not zero length. Why? It's a tab-separated file. Is awk storing the tab with the $1 field or something.This is where I get headache. I try to echo my variable to see what it looks like.
echo "$myvar1"
outputs: nothing
echo "My variable is [$myvar1]"
outputs: [y variable is [
Why is the closing bracket at the beginning? What character could be stored in $myvar1 that would do such a thing and how did it get there?
I just installed proftpd using webpin but when i tried to gonfigure it ,i figured out that the configuration file proftpd.conf is empty, is it about permission ?i just dont get it!
View 1 Replies View RelatedMy cron job is executing the below mysqldump command but it produces an empty sql file. However, when I run from the command line, it works as expected.
Code:
15 6 * * * root mysqldump -uroot -pXXXXXXX mydbname | gzip > /home/dbbackup/db_`/bin/date +\%Y\%m\%d\%H\%M`.sql.gz
I'm on CentOS 5.4 and use "env EDITOR=nano crontab -e" edit my cron (then paste the above command.
I am completely new to Ubuntu/Linux and am having trouble getting my DVD-ROM drive to work. I've tested a few things, and it seems that if there is a CD in it when I boot, then it works fine, but if there is nothing in it then Ubuntu won't list the device. The DVD-ROM is master on a PATA cable and the CD-RW is slave (yes I know it's getting old now...) Drives worked fine under Windows XP. I don't know very much about the boot process, but the following from kern.log seemed relevant: Booting with a CD:
[code]....
I just installed FC10 and then used yumex to install the vsftpd FTP daemon package. I'm using the vsftpd.conf file that came with the distribution, and its almost identical to one I copied from my FC2 machine's working set-up. When I try to FTP in as a known system user I'm presented with my home directory /home/myusername/. The directory appears empty to the FTP program, but isn't in reality. I can't upload a file to the empty home directory. I can move up the directory hierarchy to /home/, but again that appears as an empty directory.
I don't think it's a vsftpd.conf file issue. I've tried everything I can there. Could it have something to do with permissions? I fiddled with those, but couldn't make an FTP directory listing work.
[code]....
after update f12 to f13 geany stopped to work correctly on remote storage (sftp). Geany opens file correctly, but when I try to save, it saves empty file. I tried "notepad" and "gedit", they work good on f13. Geany on f12 worked correctly too.
View 3 Replies View RelatedGreetings, I have installed a VMware host on Windows 7 64bit and followed with a 10.04LTS 64 bit guest install. Everything went smooth. I have used VMware before, but the other way around.. Linux host and Windows guest.
So this time I am installing the VMWare tools on the guest, ubuntu 10.04, but it seems to be failing. The vmware tools install ran fine the first time with no errors, but I was getting the follwoing error after logging into the Ubuntu guest afterwards.
Could Not Apply the Start Configuration for Monitors
Error Line 1: Char 1 Whitespace or empty file
So I re installed the VMware tools once again, but still the same.
I am hoping that someone here has come across this before and hs a workaround. I don't think the vmware tools was installed correctly.
I am not sure why this does not work..
tshark |grep 'string'
Gives me what I want but
tshark |grep 'string' >/tmp/outputfile
Gives me an empty file.
I have set up a cron job in linux server using the command 'wget -q -o wget_outputlog url'
But on every run, an empty file being created at root.
How to stop this.
Does anyone know why files in my /tmp directory are not able to rm even using root login? not only that, I can't even chmod or do anything to files in /tmp directory... it always saying "read only file system" warning
View 8 Replies View RelatedI have a broken DVD drive and no others available right now to burn a DVD iso to so I'd like to use a empty hard disk instead.
I've tried Unetbootin but that only copies a few megabytes of files - the rest of the image data in the ISO is ignored.
I have verified the ISO is valid and working with VirtualBox. It's MD5 hash is also as expected. But I need to boot at the real bios not an emulated one.
I've also tried things like:
sudo cat /disk/image.iso > /dev/sdb1
and that got "Permission denied" -
On a certain computer, I had four primary partitions. The person who installed the Windows 7 on the computer made two partitions for the Windows (sda1 and sda2). Then I made another two primary partitions (sda3 and sda4). sda3 was empty. sda4 is an extended partition that contained the /swap, and /.According to someone else, some viruses get in on the Windows partitions and can then get over to the Linux partitions if they are primary and right after the Windows partitions, or something like that. This person suggested that I create sda3 when I install Linux(SLES 10), but to install Linux on sda4. Then later I can change sda3 to secondary.So I tried this, and the Linux installation went fine.
I decided to change sda3 before I load the application software onto the computer.So I put the GParted CD in, but to my surprise I realised that the harddisk was actually 1 TB, and not 500 GB as I thought. So I had extra space to the right of sda4. I wasn't quite sure what to do with sda3. I thought that perhaps it would be better to unallocate sda3, move the current sda4 to the left, and then make another primary partition on the right of sda4, or just stretch sda4 both ways.Anycase, I unallocated sda3, and just left sda4 as it was.Hm, perhaps you can anticipate the end of the story. I removed the GParted CD, and restarted the computer, but now the computer doesn't let me choose whether I want to boot into Linux or Windows. Um, it doesn't boot at all from the harddisk.
I know it's dangerous to play with partitions, but sometimes the job won't be done if you are too afraid of doing anything, and I dare say you won't learn anything either. There was nothing on sda3, so I didn't think it would have nasty after effects. There isn't any important data on this computer yet, it was two new installations of Windows and Linux. So I guess I could format the harddisk and just reinstall everything, but I would like to learn what goes on underneath the surface.
I've had Ubuntu 10.10 installed for a while and I recently cleared a partition to install Windows XP. However, when I load from the Windows XP boot CD, I get "7379one MB disk 0 at ID 0 on ?Bus 0 on atapi(Setup cannot access this disk)". I've tried just about everything
View 4 Replies View RelatedI'm installing Wordpress and I want Hosting Multiple Sites with them. For that I need modify the httpd.conf file but it's empty. Where I can make that changes? These are the changes:
1. Type: LoadModule rewrite_module /libexec/mod_rewrite.so
2. Find the <VirtualHost> section in the httpd.conf file.
3. Find a line in the <VirtualHost> section of the httpd.conf that looks like this: AllowOverride None
3. Replace that line with this line: AllowOverride FileInfo Options
4. On a new line, type ServerAlias *.[URL].
5. Save the httpd.conf file and close it.
I installed MRTG some hours ago. Everything works fine (disk, cpu,..), except the network graph.
For this graph, it's only work for ~3 cycles (15min), then... nothing.
This is the part of mrtg.cfg:
Code:
The number for eth0 is 3
Code:
SNMP is running:
Code:
Crontab is configured for mrtg (and seems it's not the problem because the other graphs works well):
Code:
In attachement is the graph for the memory (working!) and .. for the network, as you can see, only one small pic at the beginning.
I was checking my server and found a /net directory with nothing visible inside. The mysterious directory is /net and I checked to make sure nothing was mounted to it:
[root@mysql /]# mount
/dev/sda1 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
In our cluster, both the server and worker had been gone to swap and the performance is extremely slow. Although currently the memory is free but I don't know why the in the swap area is still being there and ubuntu doesn't move them to the memory and empty the swap.
On the other hand, when I run
Code:
sudo swapoff -a
on the server it says:
Code:
mahmood@server:~$ sudo swapoff -a
[Code]....
I am trying to mount a samba share using an fstab entry
//srv1/Corporate /winfiles cifs user,uid=0,rw,noauto,suid,credentials=/root/wnmount_credentials.txt 0 0
The mount appears to complete cleanly, however when I browse the directory /winfiles it is always empty.The smbclient command works properly using the same credentials.The /root/credentials file looks something like this
username=********
password=********
I have a 2TB file-system and when the machine reboots it fails the fsck, halts and goes into maintenance mode.Stats: I have have RHEL 5, 2.6.18 kernel, the file-system is an ext3. The file-system is on an EMC AX4 connected with fiber channel HBA.So far my reading tells me this should work because under 2.6 4TB is OK. Any ideas why this fails?If I take it out of the fstab file and mount it manually the boot is OK and the file-system behaves well. I can change the fsck check option in the fstab to 0 but I don't think I should have too. Everything I read says that 2TB ext3 file-systems are OK.
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