The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
vfs_cacheprime – prime the kernel file data cache Synopsis vfs objects = cacheprime Description This VFS module is part of the samba(7) suite. The vfs_cacheprime VFS module reads chunks of file data near the range requested by clients in order to make sure the data is present in the kernel file data cache at the…
vfs_btrfs – Utilize features provided by the Btrfs filesystem Synopsis vfs objects = btrfs Description This VFS module is part of the samba(8) suite. The vfs_btrfs VFS module exposes Btrfs specific features for use by Samba. Btrfs allows for multiple files to share the same on-disk data through the use cloned ranges. When an SMB…
vfs_audit – record selected Samba VFS operations in the system log Synopsis vfs objects = audit Description This VFS module is part of the samba(7) suite. The vfs_audit VFS module records selected client operations to the system log using syslog(3). The following Samba VFS operations are recorded: connect disconnect opendir mkdir rmdir open close rename…
vfs_aio_pthread – implement async I/O in Samba vfs using a pthread pool Synopsis vfs objects = aio_pthread Description This VFS module is part of the samba(7) suite. The aio_pthread VFS module enables asynchronous I/O for Samba on platforms which have the pthreads API available, without using the Posix AIO interface. Posix AIO can suffer from…
vfs_aio_linux – implement async I/O in Samba vfs using Linux kernel aio calls Synopsis vfs objects = aio_linux Description This VFS module is part of the samba(7) suite. The aio_linux VFS module enables asynchronous I/O for Samba on Linux kernels that have the kernel AIO calls available without using the Posix AIO interface. Posix AIO…
vfs_aio_fork – implement async I/O in Samba vfs Synopsis vfs objects = aio_fork Description This VFS module is part of the samba(7) suite. The aio_fork VFS module enables async I/O for Samba on platforms where the system level Posix AIO interface is insufficient. Posix AIO can suffer from severe limitations. For example, on some Linux…
vfs_acl_xattr – Save NTFS-ACLs in Extended Attributes (EAs) Synopsis vfs objects = acl_xattr Description This VFS module is part of the samba(7) suite. The vfs_acl_xattr VFS module stores NTFS Access Control Lists (ACLs) in Extended Attributes (EAs). This enables the full mapping of Windows ACLs on Samba servers. The ACLs are stored in the Extended…
vfs_acl_tdb – Save NTFS-ACLs in a tdb file Synopsis vfs objects = acl_tdb Description This VFS module is part of the samba(7) suite. The vfs_acl_tdb VFS module stores NTFS Access Control Lists (ACLs) in a tdb file. This enables the full mapping of Windows ACLs on Samba servers. The ACL settings are stored in $LOCKDIR/file_ntacls.tdb….
veritysetup – manage dm-verity (block level verification) volumes Synopsis veritysetup <options> <action> <action args> Description Veritysetup is used to configure dm-verity managed device-mapper mappings. Device-mapper verity target provides read-only transparent integrity checking of block devices using kernel crypto API. The dm-verity devices are always read-only. Veritysetup supports these operations: format <data_device> <hash_device> Calculates and permanently…
verify_krb5_conf – checks krb5.conf for obvious errors Synopsis [config-file] Description reads the configuration file krb5.conf or the file given on the command line, parses it, checking verifying that the syntax is not correctly wrong. If the file is syntactically correct, tries to verify that the contents of the file is of relevant nature. Environment KRB5_CONFIG…
verify – Postfix address verification server Synopsis verify [generic Postfix daemon options] Description The verify(8) address verification server maintains a record of what recipient addresses are known to be deliverable or undeliverable. Addresses are verified by injecting probe messages into the Postfix queue. Probe messages are run through all the routing and rewriting machinery except…
verify-db.pl – Directory Server perl script for verifying the database. Synopsis verify-db.pl [-Z serverID] [ -a path ] [-h] Description Verifies the backend database files. If the server crashes because of a corrupted database, this script can be used to verify the integrity of the different database files to help isolate any problems. Options A…
VENDSTAT – Query Infiniband Vendor Specific Functions Synopsis vendstat [options] <lid|guid> Description vendstat uses vendor specific MADs to access beyond the IB spec vendor specific functionality. Currently, there is support for Mellanox InfiniSwitch-III (IS3) and InfiniSwitch-IV (IS4). Options -N show IS3 or IS4 general information. -w show IS3 port xmit wait counters. -i show IS4…
vdsmd – Virtual Desktops and Servers Manager @ENGINENAME@ host agent Synopsis service vdsmd start Description The VDSM service is required by a @ENGINENAME@ to manage oVirt Nodes and Linux hosts. Currently, only Fedora and Red Hat Enterprise Linux are supported. VDSM manages and monitors the host’s storage, memory and networks as well as virtual machine…
vdptool – manage the VSI associations and status of lldpad Synopsis vdptool <command> [options] [argument] Description vdptool is used to query and configure the VSI associations in lldpad. Only the ratified stardard version of the VDP protocol (also refered to as vdp22) is supported. It connects to the client interface of lldpad to perform these…
vdpa – vdpa management tool Synopsis vdpa [ OPTIONS ] { dev|mgmtdev } { COMMAND | help } Options -V, –Version Print the version of the vdpa utility and exit. -j, –json Generate JSON output. -p, –pretty When combined with -j generate a pretty JSON output. OBJECT dev – vdpa device. mgmtdev – vdpa management…
vdpa-dev – vdpa management device view Synopsis vdpa mgmtdev { COMMAND| help } OPTIONS := { -V[ersion] } vdpa mgmtdev show [ MGMTDEV ] vdpa mgmtdev help Description vdpa mgmtdev show – display vdpa management device attributes MGMTDEV – specifies the vdpa management device to show. If this argument is omitted all management devices are…
vdpa-dev – vdpa device configuration Synopsis vdpa dev [ OPTIONS ] { COMMAND| help } OPTIONS := { -V[ersion] } vdpa dev show [ DEV ] vdpa dev help vdpa dev add name NAME mgmtdev MGMTDEV vdpa dev del DEV Description vdpa dev show – display vdpa device attributes DEV – specifies the vdpa device…
vdagent_selinux – Security Enhanced Linux Policy for the vdagent processes Description Security-Enhanced Linux secures the vdagent processes via flexible mandatory access control. The vdagent processes execute with the vdagent_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
vcstime – Show time in upper right hand corner of the console screen Synopsis vcstime Description vcstime shows the current time in the upper right-hand corner of the console screen. This simple program shows the current time in the corner of the console screen. It needs to be run by root, in order to have…