network structure: machine1 >> firewall >>>- Internet -> machine2 nfs_server Step 1: on nfs_server, add line in /etc/exports: nfs_dir 127.0.0.1(rw,async,insecur) Also, add line in /etc/sysconfig/nfs MOUNTD_PORT <port_number3 The port_number3 is a large number, for example, 32334, Then do "service nfs restart" This allows the nfs mount point is accessible from the box itself; Step 2: […]
Samba “Strict locking” prevented file to be modified
From certain number of linux SAMBA and higher, “strict locking =1” is the default. When such SAMBA share is mapped on older versions of windows, the files would be not able to be modified – you can create new file, modify it. However, when you try to save, it will return “The process cannot access […]
An exactly one million digits prime number
464253*2^3321908-1 makes top 5000 list with entrance rank 63, see http://primes.utm.edu/primes/page.php?id=111603
cmake cannot find libGL.so after installing NVidia driver
The link in /usr/lib64/libGL.so was not updated to the NVidia version. Just remove the broken link and ln -s /usr/lib64/libGL.so.VER.VER /usr/lib64/libGL.so, where VER.VER is the NVidia driver version. For other missing libs that targeting a broken link, same strategy can be applied.
Redhat: need to know which package to install?
yum whatprovides ‘*/’
Firefox: Flash installed but does not show up
For some strange reason the flash folder in C:\WINDOWS\system32\Macromed was locked by explorer.exe. Once the Adobe Flash Player is installed in this folder, the locking prevented it from being copied into both Firefox’s plug in folder in C:\Program Files\Mozilla Firefox\plugins and Iexplore’s plugin folder in C:\Program Files\Internet Explorer\PLUGINS, such that from the plugin point of […]
When an application can only run as administrator in windows 7
It is possible that a dll/ocx was not properly registered. Try this: regsvr32.exe COMDLG32.OCX regsvr32.exe YourOCX.OCX regsvr32.exe Yourdll.dll
Firefox home page hijacker
Check C:\Documents and Settings\Your User\Application Data\Mozilla\Firefox\Profiles\Your Profile.default\user.js Hijacked page may appear there.
Death Board in Obama Care
http://dianevann.authorsxpress.com/2012/09/20/from-my-email-yesterday-obama-care-per-emory-atlanta/ You’d read this: really freaking: I was talking last night (Sunday) with my son-in-law’s brother who is a Neurosurgeon at Emory Hospital in Atlanta, which, if you are not familiar with it, ranks up there with the finest hospitals in the country. A group of non-doctors, from ‘our’ (????) country’s Department of Health arrived […]
a new rootkit?
Found a virus disguise itself in a windows/installer/{2a19006b-67c6-b3d2-bc82-88e444232c7b} and load into srvchost.exe as n and @. Don not know what it is. Killed.