I think i found the answer; even though chkconfig reported that “rpcbind” was setup to start in run level 3, for some reason it was not running. After this was started; I was able to mount the NFS share. # who -r run-level 3 2012-02-16 19:19 # chkconfig –list rpcbind rpcbind 0:off 1:off 2:on 3:on […]
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How to edit /etc/fstab when at Centos/Redhat “Repair filesystem” prompt? Now system was unable to boot the system because it was reading /etc/fstab file was unable to find the device for it. This can also happen when you have some external hard-drive attached with your linux system and you remove device but forgot to clean […] This will scan the scsi host and no need to reboot to make devices(luns) visible. echo “- – -” > /sys/class/scsi_host/host#/scan June 15th, 2014 | Category: Centos, Linux | Leave a comment Tutorial: e2label, fdisk, /etc/fstab, mount, linux rescue, rescue disk, CentOS Let’s run through an example of a fresh disk, that needs to be configured, going through partitioning with fdisk, make filesystem, filesystem labelled using e2label, /etc/fstab edited, and mounted using mount. This is relevent for CentOS 3.x, 4.x 5.x; YMMV for other flavours. First, […] When you need to have proxy connection available to whole system, so dont bother with settings for firefox, yum proxy and similar, its simple as just plain file 😉 just copy & paste following code to terminal window. if you need other shell , like csh , just add another file with csh extension. This […] in /etc/sysctl.conf : net.ipv6.conf.all.disable_ipv6 = 1 in /etc/sysconfig/network : NETWORKING_IPV6=no in /etc/sysconfig/network-scripts/ifcfg-eth0 : IPV6INIT=”no” disable iptables6 – chkconfig –level 345 ip6tables off reboot In /etc/grub.conf edit the kernel lines to include: 1 ipv6.disable=1 The “trick” here, as described by TrevorH1 in #linux, is that programs can still load the module as they wish. You can […] ock user login after failed login attempts in Red Hat 6.x and CentOS 6.x Earlier in RedHat based distro we used to setup pam_tally.so for locking the user login after some failed login attempts. Now in Red Hat 6.x and CentOS 6.x we will use pam_tally2.so . # cd /etc/pam.d # cp -p password-auth-ac password-auth-ac.bak […] While I installed my OS long back, I had partitioned more space in the root file system, because of which I was unable to use other file systems due to lack of disk space. So, incase if few are facing the same issues, here is the tutorial to decrease your space in root partition. Once […] Environment: CentOS release 6.3 (32-bit). Descriptions: By LV snapshot you will be able to freeze your logical volumes. In other words, you can easily backup and rollback to a original logical volume state. This is almost similar to VMware where you can the snap shot of the VM and revert in-case if anything goes wrong. […] Symptoms xauth: (stdin):1: bad display name “rhel:1? in “add” command WARNING: The first attempt to start Xvnc failed, possibly because the font catalog is not properly configured. Attempting to determine an appropriate font path for this system and restart Xvnc using that font path … Could not start Xvnc. /usr/bin/Xvnc: symbol lookup error: /usr/bin/Xvnc: undefined […] |
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