When you put a mistake into some of your comments in subversion repository it's no need to cry. There are simple ways to correct your mistakes. I will show you two most common possibilities.
After last kernel update I have run into problems with starting system. My computer cannot start the system with new compiled kernel version. Only thing that I changed was root partition type. I've changed it from ext3 to ext4 filesystem. When I tried to run system with new kernel I receive this message:
mount: cannot remount block device /dev/sda2 read-write, is write-protected
dmesg gives the answer, it says:
EXT4-fs (sda2): Filesystem with huge files cannot be mounted RDWR without CONFIG_LBDAF
You need to compile your kernel with "Support for large (2TB+) block devices and files" enabled (CONFIG_LBDAF option in kernel config).
How can you find specific information about your processor? How to check what CPU you have got? If you want to get information about CPU on your computer... I will show you how to find it using two methods.
There is new Cyrus IMAPd 2.4.9beta2 version available to download.You can download it from the snapshots directory: This is an beta release in the 2.4.x series. It fixes couple of bugs in the "deliver" and lmtp codepaths and adds a couple of wishlist items. It also reverts the LMTP delivery fix for Bug #3163, which was implicated in Sieve issues at FastMail.
Have you ever forgotten which Ubuntu version you are using? If it's true here you will find methods how to check Ubuntu version that you are curently running.
lsb_release -a
cat /etc/issue
cat /etc/lsb-releaseThose are most commonly used ways to check Ubuntu version which your system is running from the command line level.
It's probably a problem with your kernel settings. You should recompile the kernel with enables NFS_SERVER option. After running make menuconfig you will find it under File systems > Network File Systems > NFS Server Support.
Sometimes you need to add a new array on HP Servers on running system (you can't boot SmartStart DVD to run Array Configuration Utility). In that situation you need to configure the array with command line utility called hpacucli.
Here you have quick installation guide for mongodb on Ubuntu 10.04: Edit:
echo "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" >> /etc/apt/sources.list apt-get update apt-get install mongodb-10gen
Remember that Debian-like systems and default package configuration aren't often security aware so you should edit mongodb config:
vim /etc/mongodb.conf
and add line:
bind_ip 127.0.0.1
This will disable default setting to run mongodb in trusted mode
This short tutorial will help you install Ubuntu on XenServer. This requires that the XenServer and the guest network have access to the Internet (we use network install - not CD/DVD)
You can check the long mode processor flag:
# grep lm /proc/cpuinfo
flags : fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nonstop_tsc aperfmperf pni pclmulqdq est ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat
If you have lm flag (like above) your CPU is at 100% 64 bit
Lastly I faced problems with installing Ruby 1.9 on Gentoo distros. First I unmasked Ruby 1.9.2 version. I use for that autounmask tool:
# autounmask =/dev-lang/ruby-1.9.2
But after that I received error on rdoc installation:
# emerge ruby emerge: there are no ebuilds to satisfy ">=dev-ruby/rdoc-2.5.11[ruby_targets_ruby19]". (dependency required by "dev-lang/ruby-1.9.2" [ebuild]) (dependency required by "ruby" [argument])
How to resolve that problem and install Ruby 1.9?