search for: vix

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2008 Nov 04
2
ggplot & annotating charts
...le (additionally, i would like to add text labels automatically to the chart). The code is below I suspect I need to use geom_rect, but what is foxing me is how to set up the aes() parameters. I'd be very grateful for any help thanks simeon ################### require(zoo) require(chron) vix <-read.csv(" http://www.cboe.com/publish/ScheduledTask/MktData/datahouse/vixcurrent.csv", header=T,sep=",", na.strings="") names(vix) <- tolower(names(vix)) vix$dates <- chron(as.character(vix$date),out.format="d-mon-y") vix.z <- zo...
2020 Feb 13
2
[PATCH nbdkit 1/2] vddk: Delay loading VDDK until config_complete.
...en-ing it in the load() method. This is very early and in particular means that the only possible way to configure where we find the library is through environment variables and not through config parameters. Also it's not necessary as we don't call any functions from the library (such as VixDiskLib_InitEx) until config_complete. This change is neutral refactoring as currently we _do_ configure the location through an environment variable (LD_LIBRARY_PATH). --- plugins/vddk/vddk.c | 100 ++++++++++++++++++++++---------------------- 1 file changed, 51 insertions(+), 49 deletions(-) di...
2020 Feb 17
2
Re: [nbdkit PATCH v5 4/4] vddk: Drive library loading from libdir parameter.
Unfortunately this series doesn't work with the real VDDK library :-( I see: nbdkit: debug: vddk: config_complete nbdkit: debug: dlopen shim prefix set to /home/rjones/tmp/vddk-6.7.3/vmware-vix-disklib-distrib/lib64 Then a little bit later during VDDK initialization it fails with: nbdkit: debug: VixDiskLib: Could not load default plugins from /home/rjones/tmp/vddk-6.7.3/vmware-vix-disklib-distrib/lib64/libdiskLibPlugin.so: Cannot open library: libcrypto.so.1.0.2: cannot open shared ob...
2004 Jan 02
3
Importing Excel/Openoffice Dates into R
...The trouble is, how do I import the dates from excel into R? At the moment I'm just importing the data via read.csv, but I don't know how to bring the dates in as well. Example: Here are two csv files. The first file is missing Jan 13th and the second is missing the 8th. file 1: cboevix.csv VIX 1/1/1999 24.42 1/4/1999 26.17 1/5/1999 24.46 1/6/1999 23.34 1/7/1999 24.37 1/8/1999 23.28 1/11/1999 25.46 1/12/1999 28.1 1/14/1999 32.98 file 2: yenv.csv YENV 1/1/1999 19.5 1/4/1999 22.2 1/5/1999 23.2 1/6/1999 21 1/7/1999 20.2 1/11/1999 21.6 1/12/1999 20.9 1/13/1999 19.1 1/14...
2020 Feb 13
0
[PATCH nbdkit 2/2] vddk: Drive library loading from libdir parameter.
...IBRARY_PATH to locate the VDDK library. Setting this always causes problems because VDDK comes bundled with broken replacements for system libraries, such as libcrypto.so and libstdc++.so. Two problems this causes which we have seen in the real world: (1) User does ‘export LD_LIBRARY_PATH=vmware-vix-disklib-distrib’ and that breaks lots of ordinary utilities on their system. (2) nbdkit vddk --run subcommand inherits the LD_LIBRARY_PATH environment variable from nbdkit, and common commands such as 'qemu-img' break, relying on complex workarounds like saving and restoring the original L...
2009 Sep 26
3
evaluate a set of symbols within an IF statement
Hello, writing some R code to cleanse a data set, if the following set of symbols are identified then perform some actions. trying to write the minimum code to do this. tname = "VIX" checkticker = c("VIX", "TYX", "TNX", "IRX") if (tname == checkticker) { //perform some operations } result i get is > tname == checkticker [1] TRUE FALSE FALSE FALSE how do i evaluate this whole list to a single boolean True or...
2004 Mar 24
2
Request for comment, logging patch
Greetings. Attached is a patch that provides more logging information for example: Mar 19 08:34:54 secosr5 sshd[7667]: Accepted publickey of? vix at wormhole for root from 192.168.1.1 port 1256 ssh2 Mar 19 08:34:54 secosr5 sshd[7667]: executing command 'who' for? vix at wormhole as user root Mar 19 10:37:16 secosr5 sshd[7725]: Accepted publickey of? vix at wormhole for root from 192.168.1.1 port 1257 ssh2 Mar 19 10:37:16 secosr5 s...
2020 Feb 13
1
Re: [PATCH nbdkit 2/2] vddk: Drive library loading from libdir parameter.
...library. Setting this > always causes problems because VDDK comes bundled with broken > replacements for system libraries, such as libcrypto.so and > libstdc++.so. Two problems this causes which we have seen in the real > world: > > (1) User does ‘export LD_LIBRARY_PATH=vmware-vix-disklib-distrib’ and > that breaks lots of ordinary utilities on their system. > > (2) nbdkit vddk --run subcommand inherits the LD_LIBRARY_PATH > environment variable from nbdkit, and common commands such as > 'qemu-img' break, relying on complex workarounds like saving and...
2011 Aug 23
1
Samba large file support negotiation when accessed via UNC path
...ut there has experience withf. We have a large fileserver running samba 3.6 backed by a 12T ext4 filesystem. We keep lots of VMware VMs on the filestore and I am trying to make some improvements to how we manage/launch/use the VMs. To that end, I've been trying to launch the VMs via the VMware VIX API by UNC path (not mapped drive). The trouble is that when accessed via UNC path, it seems that VIX can't properly determine that the fileserver supports large files and refuses to open the VM. VIX Error: DISKLIB-SPARSE: "\\VMWAREFS.org.net\images\windows_7_ultimate_x64_en\Windows_7_x...
2020 Feb 17
0
Re: [nbdkit PATCH v5 4/4] vddk: Drive library loading from libdir parameter.
On 2/17/20 12:17 PM, Richard W.M. Jones wrote: > Unfortunately this series doesn't work with the real VDDK library :-( > > I see: > > nbdkit: debug: vddk: config_complete > nbdkit: debug: dlopen shim prefix set to /home/rjones/tmp/vddk-6.7.3/vmware-vix-disklib-distrib/lib64 > > Then a little bit later during VDDK initialization it fails with: > > nbdkit: debug: VixDiskLib: Could not load default plugins from /home/rjones/tmp/vddk-6.7.3/vmware-vix-disklib-distrib/lib64/libdiskLibPlugin.so: Cannot open library: libcrypto.so.1.0.2:...
2020 Feb 13
4
[PATCH nbdkit v2 2/3] NOT WORKING: vddk: Drive library loading from libdir parameter.
I couldn't get this to work in the end. This is the latest non-working version. This email documents what doesn't work for the permanent record. The central problem is that VDDK InitEx() appears to dlopen() various of its own plugins. Although I wasn't able to capture exactly what dlopen() command it is running, the plugins cannot be loaded because they rely on the recompiled
2006 Nov 22
2
problems with garchFit
...ovation garch_st <- garchFit(series = logr, cond.dist = 'dsstd', include.mean = F, include.skew = T, include.shape = T) garch_st1 <- garchFit(series = logr, cond.dist = 'dsstd', include.mean = F, skew = st_fit$est[4], shape = st_fit$est[3], include.skew = T, include.shape= T) vix <- read.csv('D:/Documents and Settings/Mu Tian/Desktop/8780/8780 project/vix_m.csv', header=TRUE) vix <- (vix[,2]/100) / (12^.5) plot_sd <- function(x, ylim = null, col = null, ...) { xcsd = x@sigma.t plot(xcsd, type = "l", col = col, ylab = "x"...
2018 Dec 13
1
[PATCH] v2v: update docs for VMware roles (RHBZ#1530967)
...of permissions as follows: +however need to give it a minimum set of permissions as follows +(using VMware vCenter 6.5): =over 4 @@ -566,10 +567,12 @@ Enable (check) the following objects: - Validate session Virtual Machine: + Interaction: + - Guest operating system management by VIX API Provisioning: - Allow disk access - Allow read-only disk access - - Guest Operating system management by VIX API + - Allow virtual machine download =back -- 2.17.2
2020 Feb 17
0
[nbdkit PATCH v5 4/4] vddk: Drive library loading from libdir parameter.
...IBRARY_PATH to locate the VDDK library. Setting this always causes problems because VDDK comes bundled with broken replacements for system libraries, such as libcrypto.so and libstdc++.so. Two problems this causes which we have seen in the real world: (1) User does ‘export LD_LIBRARY_PATH=vmware-vix-disklib-distrib’ and that breaks lots of ordinary utilities on their system. (2) nbdkit vddk --run subcommand inherits the LD_LIBRARY_PATH environment variable from nbdkit, and common commands such as 'qemu-img' break, relying on complex workarounds like saving and restoring the original L...
2020 Feb 18
0
[nbdkit PATCH v7 2/2] vddk: Drive library loading from libdir parameter.
...IBRARY_PATH to locate the VDDK library. Setting this always causes problems because VDDK comes bundled with broken replacements for system libraries, such as libcrypto.so and libstdc++.so. Two problems this causes which we have seen in the real world: (1) User does ‘export LD_LIBRARY_PATH=vmware-vix-disklib-distrib’ and that breaks lots of ordinary utilities on their system. (2) nbdkit vddk --run subcommand inherits the LD_LIBRARY_PATH environment variable from nbdkit, and common commands such as 'qemu-img' break, relying on complex workarounds like saving and restoring the original L...
2002 May 09
0
functions : server_input_channel_req userauth_pubkey
...the ssh2 portion has me completely lost. in userauth_pubkey() [ in auth2.c ] i defined a variable realname (char 40). which gets set after user_key_allowed2 is processed. i want to pass this variable to server_input_channel_req but i can not find where these two functions are being called from. vix at osr5: openssh-3.1p1 > grep -l "userauth_pubkey" *.c auth2.c sshconnect2.c vix at osr5: openssh-3.1p1 > grep -l server_input_channel_req *.c serverloop.c I can not determine where these two functions are called from. please advise the diffs are attached . I am not much of a prog...
2019 Apr 05
1
Re: [PATCH nbdkit] vddk: Add support for VIXDISKLIB_FLAG_OPEN_SINGLE_LINK
...e a couple of implicit questions here: (1) Can VDDK (actually, VMware server) handle two connections to the same disk image, both open for reading and with different flags? The answer to that is yes. Running these two sets of commands in parallel works fine for me: $ LD_LIBRARY_PATH=vddk/vmware-vix-disklib-distrib/lib64 \ ./nbdkit vddk file="[datastore1] Fedora 28/Fedora 28.vmdk" \ libdir=vddk/vmware-vix-disklib-distrib \ server=vmware user=root password=- \ thumbprint=xx vm=moref=3 \ -fv -r -p 10809 single-link=true...
2019 Apr 12
2
Re: nbdkit, VDDK, extents, readahead, etc
On Fri, Apr 12, 2019 at 03:52:58PM +0200, Martin Kletzander wrote: > On Thu, Apr 11, 2019 at 06:55:55PM +0100, Richard W.M. Jones wrote: > >This seems to be a bug in VDDK, possibly connected with the fact that > >we fork after initializing VDDK but before doing the > >VixDiskLib_ConnectEx. I suspect it's something to do with the PID > >changing. > > > >It would be fair to deduct 2 minutes from all timings below. > > > > Is the PID changed because you want to exec from the parent (where > the init is done), but all the other call...
2020 Feb 17
5
[nbdkit PATCH v5 0/4] vddk: Drive library loading from libdir parameter.
Differences from v4: Patch 1 is simplified: I realized that since we already use -rdynamic for nbdkit (after all, we WANT our dlopen()d plugins to be able to call our nbdkit_* exports), it is only a matter of adding dlopen to the set of symbols that we export. With that done, there is no separate shared library needed; our dlopen shim is now part of nbdkit proper, and we don't have to tweak
2020 Feb 13
1
[PATCH nbdkit] NOT WORKING vddk: Use dlmopen to isolate VDDK.
--- configure.ac | 5 +++++ plugins/vddk/vddk.c | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/configure.ac b/configure.ac index d71f06e4..57626a76 100644 --- a/configure.ac +++ b/configure.ac @@ -321,6 +321,11 @@ AC_SEARCH_LIBS([dlsym], [dl dld], [ ]) LIBS="$old_LIBS" +old_LIBS="$LIBS" +LIBS="$LIBS -ldl" +AC_CHECK_FUNCS([dlmopen])