The benchmarks I've seen do not make ZFS look all that great. And as far as I can tell, it has no real maintenance behind it either any more, so from a long-term stability standpoint, why would you ever want to use it in the first place?. - Linus Torvalds
We are looking into buying a new software, billing software that is, and want to know if you can run that on the same UNIX server as another major software?
Is there a limit to the different types of software Unix can run, or is it like windows where you can install as many as you like?
... (2 Replies)
Hi there.
I've been tasked with making a new design for our Unix systems :eek:
Now the question I have is;
How many LPARs can a p570 hold WITHOUT using a VIO Server.
Many Thanks
Kees (1 Reply)
Hi.
I downloaded a package that could only be installed on RHEL5, and not 4 or 3, so I got the source in order to compile it on RHEL 3 so hopefully it will work on all versions.
So I have the source for a working package, but when I build it in RHEL 3 and then try to install it in RHEL 5, it... (6 Replies)
I'm looking for a means to ensure that servers in the two or three datacenters, connected in a ring via IP through two ISPs, can distribute load and/or replicate data among at least two SAN-class disk devices.
I want to evaluate several solutions, and I'm open to solutions ranging from free,... (6 Replies)
I've got a Solaris 11 Express installed on my machine. I have created a raidz2 zpool named shares and a simple one-disc zpool named backup. I have made a script that would send a daily snapshot of shares to backup.
I use these commands
zfs snapshot shares@DDMMRRRRHHMM
zfs send -i shares@....... (10 Replies)
I wonder if anyone could assist with some problems I'm having with Linux Capabilities and their use when using the commands "nice" and "schedtool".
I run a couple of PCs, one is an elderly AMD Sempron 2800+ (32-bit, 2GHz clock and 3GB memory) that is used as a family multimedia system running... (3 Replies)
So I'm having a problem getting a Broadcom BCM4312 wireless controller to work under the broadcom-wl module
$uname
Linux 3.8.11-200.fc18.x86_64 #1 SMP Wed May 1 19:44:27 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
lspci -v
05:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g... (2 Replies)
Hi
I'm trying to compile my linux kernel with CONFIG_SECURITY_CAPABILITIES=y.
any idea what this thing does ??
Also another question , If I compile the kernel that I'm currently using , what'll happen ?
~cheers (3 Replies)
Hi All,
How worried is everyone about the Dirty Cow Linux exploit? Has anybody experienced attacks yet?
From the research I've done it seems that the exploit is "reliable" (that is it works nearly every time on vulverable systems) which is not good news.
We all believe that Unix/Linux... (3 Replies)
Discussion started by: hicksd8
3 Replies
LEARN ABOUT SUSE
git-update-ref
GIT-UPDATE-REF(1) Git Manual GIT-UPDATE-REF(1)NAME
git-update-ref - Update the object name stored in a ref safely
SYNOPSIS
git update-ref [-m <reason>] (-d <ref> [<oldvalue>] | [--no-deref] <ref> <newvalue> [<oldvalue>])
DESCRIPTION
Given two arguments, stores the <newvalue> in the <ref>, possibly dereferencing the symbolic refs. E.g. git update-ref HEAD <newvalue>
updates the current branch head to the new object.
Given three arguments, stores the <newvalue> in the <ref>, possibly dereferencing the symbolic refs, after verifying that the current value
of the <ref> matches <oldvalue>. E.g. git update-ref refs/heads/master <newvalue> <oldvalue> updates the master branch head to <newvalue>
only if its current value is <oldvalue>. You can specify 40 "0" or an empty string as <oldvalue> to make sure that the ref you are creating
does not exist.
It also allows a "ref" file to be a symbolic pointer to another ref file by starting with the four-byte header sequence of "ref:".
More importantly, it allows the update of a ref file to follow these symbolic pointers, whether they are symlinks or these "regular file
symbolic refs". It follows real symlinks only if they start with "refs/": otherwise it will just try to read them and update them as a
regular file (i.e. it will allow the filesystem to follow them, but will overwrite such a symlink to somewhere else with a regular
filename).
If --no-deref is given, <ref> itself is overwritten, rather than the result of following the symbolic pointers.
In general, using
git update-ref HEAD "$head"
should be a lot safer than doing
echo "$head" > "$GIT_DIR/HEAD"
both from a symlink following standpoint and an error checking standpoint. The "refs/" rule for symlinks means that symlinks that point to
"outside" the tree are safe: they'll be followed for reading but not for writing (so we'll never write through a ref symlink to some other
tree, if you have copied a whole archive by creating a symlink tree).
With -d flag, it deletes the named <ref> after verifying it still contains <oldvalue>.
LOGGING UPDATES
If config parameter "core.logAllRefUpdates" is true or the file "$GIT_DIR/logs/<ref>" exists then git update-ref will append a line to the
log file "$GIT_DIR/logs/<ref>" (dereferencing all symbolic refs before creating the log name) describing the change in ref value. Log lines
are formatted as:
1. oldsha1 SP newsha1 SP committer LF
Where "oldsha1" is the 40 character hexadecimal value previously stored in <ref>, "newsha1" is the 40 character hexadecimal value of
<newvalue> and "committer" is the committer's name, email address and date in the standard GIT committer ident format.
Optionally with -m:
1. oldsha1 SP newsha1 SP committer TAB message LF
Where all fields are as described above and "message" is the value supplied to the -m option.
An update will fail (without changing <ref>) if the current user is unable to create a new log file, append to the existing log file or
does not have committer information available.
AUTHOR
Written by Linus Torvalds <torvalds@osdl.org[1]>.
GIT
Part of the git(1) suite
NOTES
1. torvalds@osdl.org
mailto:torvalds@osdl.org
Git 1.7.1 07/05/2010 GIT-UPDATE-REF(1)