8 System administration
11,057 pages in section 8.
v4
v5
v8
va
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valectlmanage VALE network switches provided by netmap -
validateconfNo manpage for this program, utility or function. -
validlocaleTest if a given locale is available -
vapt-apt-get for vserversget -
varmona VA RAID monitor -
varnetloadtool to create reproducible network traffic -
vattributesets/gets attributes of vservers
vb
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vbackupA modular backup program -
vbackup-A wizard for basic vbackup configurationwizard -
vbetoolrun real-mode video BIOS code to alter hardware state -
vbladeexport data via ATA over Ethernet -
vblade-manage persistent exported ATA-over-Ethernet devicespersist -
vblade-convert vblade-persist export configurationspersist- convert -
vbladedexport data via ATA over Ethernet -
VBoxx86 virtualization solutionControl -
vboxdisdn voice box daemon -
vboxgettyisdn voice box (getty) -
vboxmailscript to send notification of new voice message -
vboxputtya self-dialing/-calling vboxgetty -
VBoxx86 virtualization solutionService -
vbupgradeupgrades the VirusBuster database and optionally the engine
vc
vd
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vde_create and manage persistent TUN/TAP interfacestunctl -
vdev_generate user-friendly names for JBOD disksid -
vdevmapmanages device mappings -
vdispatch-dispatch-conf for vserversconf -
vdlimitmanages disk limits -
vdoauditconfirm the reference counts of a VDO device -
vdodebugmetadataload a metadata dump of a VDO device -
vdodumpblockmapdump the LBA->PBA mappings of a VDO device -
vdodumpmetadatadump the metadata regions from a VDO device -
vdoforcerebuildprepare a VDO device to exit read-only mode -
vdoformatformat a VDO device -
vdolistmetadatalist the metadata regions on a VDO device -
vdoreadonlyputs a VDO device into read-only mode -
vdorecoverRecovers available storage by discarding a full VDO volume. -
vdostatsDisplay configuration and statistics of VDO volumes -
vdpavdpa management tool -
vdpa-vdpa device configurationdev -
vdpa-vdpa management device viewmgmtdev -
vdptoolmanage the VSI associations and status of lldpad -
vdradmindWeb-based administration tool for VDR -
vducalculates the size of a directory
ve
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ve-Driver for Victron UPS unit running on VE.Direct serial protocoldirect -
vemergeemerge for vservers -
vendstatquery InfiniBand vendor specific functions -
vercmpversion comparison utility -
verifyPostfix address verification server -
verify-Directory Server perl script for verifying the database.db -
verify-Directory Server perl script for verifying the database.db. pl -
verify_checks krb5.conf for obvious errorskrb5_ conf -
verifyfilterVerify mail addresses -
verifysmtpVerify mail addresses -
veritysetuputility for configuring and managing dm-verity devices -
version.FreeBSD version string boot module4th -
vesyncportage cache sync for vservers -
veyon-Veyon PAM Authentication Helperauth- helper
vf
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vfs_Save NTFS-ACLs in a tdb fileacl_ tdb -
vfs_Save NTFS-ACLs in Extended Attributes (EAs)acl_ xattr -
vfs_implement async I/O in Samba vfsaio_ fork -
vfs_implement async I/O in Samba vfs using Linux kernel aio callsaio_ linux -
vfs_implement async open in Samba vfs using a pthread poolaio_ pthread -
vfs_Implement async-I/O rate-limiting for Samba with cluster-wide coordinationaio_ ratelimit -
vfs_record selected Samba VFS operations in the system logaudit -
vfs_Utilize features provided by the Btrfs filesystembtrfs -
vfs_prime the kernel file data cachecacheprime -
vfs_CAP encode filenamescap -
vfs_translate illegal characters in Catia filenamescatia -
vfs_Utilize features provided by CephFSceph -
vfs_Utilize features provided by libcephfs low-level APIsceph_ new -
vfs_Expose CephFS snapshots as shadow-copiesceph_ snapshots -
vfs_flush dirty data at specified intervalscommit -
vfs_server side rename files across filesystem boundariescrossrename -
vfs_store default quota records for Windows clientsdefault_ quota -
vfs_Sort directory contentsdirsort -
vfs_Expand msdfs links depending on client IPexpand_ msdfs -
vfs_record selected Samba VFS operationsextd_ audit -
vfs_enable read only Roaming Profilesfake_ perms -
vfs_Generates file_id structs with unique device id values for cluster setups. It also adds ways to deliberately break lock coherency for specific inodesfileid -
vfs_Enhanced OS X and Netatalk interoperabilityfruit -
vfs_record Samba VFS operations in the system logfull_ audit -
vfs_Utilize features provided by GlusterFSglusterfs -
vfs_Utilize features provided by GlusterFSglusterfs_ fuse -
vfs_gpfs specific samba extensions like aclsgpfs -
vfs_Implement async io in Samba vfs using io_uring of Linux (>= 5.1).io_ uring -
vfs_Workaround XFS sgid bit not inheritedlinux_ xfs_ sgid -
vfs_Allow multiple Avid clients to share a network drive.media_ harmony -
vfs_hide .AppleDouble files from CIFS clientsnetatalk -
vfs_Save NTFS-ACLs as NFS4 encoded blobs in extended attributesnfs4acl_ xattr -
vfs_FAM support for file change notificationsnotify_ fam -
vfs_Mark all files as offlineoffline -
vfs_preallocate matching files to a predetermined sizeprealloc -
vfs_Hide read latencies for applications reading numbered filespreopen -
vfs_pre-load the kernel buffer cachereadahead -
vfs_make a Samba share read only for a specified time periodreadonly -
vfs_Samba VFS recycle binrecycle -
vfs_Ensures that only files that have been scanned for viruses are visible and accessible to the end user.scannedonly -
vfs_Expose snapshots to Windows clients as shadow copies.shadow_ copy -
vfs_Expose snapshots to Windows clients as shadow copies.shadow_ copy2 -
vfs_Shell script callouts for snapshot creation and deletionshell_ snap -
vfs_log Samba VFS read and write operations through a socket to a helper applicationsmb_ traffic_ analyzer -
vfs_Expose snapshots managed by snapper as shadow-copiessnapper -
vfs_EXPERIMENTAL module to store alternate data streams in a central directory.streams_ depot -
vfs_Store alternate data streams in posix xattrsstreams_ xattr -
vfs_Ensure meta data operations are performed synchronously.syncops -
vfs_samba vfs module to log slow VFS operationstime_ audit -
vfs_VFS module for handling offline files with Tivoli Storage Manager Space Managementtsmsm -
vfs_Allow multiple Avid clients to share a network drive.unityed_ media -
vfs_On access virus scannervirusfilter -
vfs_make a Samba share ignore filesystem symbolic links inside a sharewidelinks -
vfs_disallows writes for older fileworm -
vfs_Save Extended Attributes (EAs) in a tdb filexattr_ tdb -
vfscount-Count VFS calls ("vfs_*"). Uses Linux eBPF/bcc.bpfcc -
vfscount.Count VFS calls ("vfs_*"). Uses bpftrace/eBPF.bt -
vfscount.Count VFS calls ("vfs_*"). Uses bpftrace/eBPF.bt. bt -
vfsstat-Statistics for some common VFS calls. Uses Linux eBPF/bcc.bpfcc -
vfsstat.Count key VFS calls. Uses bpftrace/eBPF.bt -
vfsstat.Count key VFS calls. Uses bpftrace/eBPF.bt. bt
vg
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vga_reset video graphic boardreset -
vgcfgbackupBackup volume group configuration(s) -
vgcfgrestoreRestore volume group configuration -
vgchangeChange volume group attributes -
vgckCheck the consistency of volume group(s) -
vgconvertRemoved: vgconvert has been removed along with the lvm1 format -
vgcreateCreate a volume group -
vgdisplayDisplay volume group information -
vgdisplay_This script is a part of the SOAP server of dtc-xen running over HTTPS with Auth.free_ size -
vgettyvoice extension to the mgetty+sendfax program -
vgexportUnregister volume group(s) from the system -
vgextendAdd physical volumes to a volume group -
vgimportRegister exported volume group with system -
vgimportcloneImport a VG from cloned PVs -
vgimportdevicesAdd devices for a VG to the devices file -
vgmergeMerge volume groups -
vgmknodesCreate the special files for volume group devices in /dev -
vgreduceRemove physical volume(s) from a volume group -
vgremoveRemove volume group(s) -
vgrenameRename a volume group -
vgsDisplay information about volume groups -
vgscanSearch for all volume groups -
vgsplitMove physical volumes into a new or existing volume group
vh
vi
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via-EEPROM setup and diagnostic program for the VIA Rhine vt86c100 and vt3043 Ethernet controller chips.diag -
via_tool for debugging the OpenChrome display driverregs_ dump -
vicfnetwork configuration engine -
viconfsafe editor for ircd-hybrid configuration files -
viconf-lock ircd-ratbox motd configuration and edit. viconf-ratbox - lock ircd-ratbox daemon configuration and edit. viklines-ratbox - lock ircd-ratbox klines configuration and edit.ratbox -
victronupsDriver for IMV/Victron UPS unit Match, Match Lite, NetUps -
vidbmanually edit SFS user-authentication database file -
vidmodequery/set image root device, RAM disk size, or video mode -
viewcvsdviewcvs standalone daemon -
viewlogNo manpage for this program, utility or function. -
vifssafely edit fstab -
vigredit the password or group file -
viklinessafe editor for ircd-hybrid configuration files -
viklines-lock ircd-ratbox motd configuration and edit. viconf-ratbox - lock ircd-ratbox daemon configuration and edit. viklines-ratbox - lock ircd-ratbox klines configuration and edit.ratbox -
vimotdsafe editor for ircd-hybrid configuration files -
vimotd-lock ircd-ratbox motd configuration and edit. viconf-ratbox - lock ircd-ratbox daemon configuration and edit. viklines-ratbox - lock ircd-ratbox klines configuration and edit.ratbox -
viotopThe viotop utility is simply a wrapper for the iotop program. -
vipwedit the password or group file -
virt-remove stale sanlock resource lease filessanlock- cleanup -
virt-libvirt socket proxyssh- helper -
virtinterfacedlibvirt host network interface management daemon -
virtio-Virtio-forwarder Documentationforwarder -
virtiostat-Trace VIRTIO devices input/output statistics. Uses Linux eBPF/bcc.bpfcc -
virtlockdlibvirt lock management daemon -
virtlogdlibvirt log management daemon -
virtlxcdlibvirt LXC management daemon -
virtnetworkdlibvirt virtual network management daemon -
virtnodedevdlibvirt host device management daemon -
virtnwfilterdlibvirt network filter management daemon -
virtproxydlibvirt proxy daemon -
virtqemudlibvirt QEMU management daemon -
virtsecretdlibvirt secret data management daemon -
virtstoragedlibvirt storage pool management daemon -
virtualPostfix virtual domain mail delivery agent -
virtual_virtual bluetooth speakerbt_ speaker -
virtual_daemon to multiplex and demultiplex an OSS deviceoss -
virtual_modify a running virtual_oss(8) instance's optionsoss_ cmd -
virtvboxdlibvirt VirtualBox management daemon -
visualuntarNo manpage for this program, utility or function. -
visudoedit the sudoers file -
visudo-safely edit the sudoers filers
vk
vl
vm
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vmcore-dmesg -
vmctlcontrol the virtual machine daemon -
vmdvirtual machine daemon -
vmdebootstrapinstall basic Debian system into virtual disk image -
vmemctrlControl the OOM bias for vservers -
vmfs-mount VMFS file systemfuse -
vmfs-VMFS logical volume manager toollvm -
vmfs6-mount VMFS6 file systemsfuse -
vmfs6-VMFS6 logical volume manager toollvm -
vmixctlOpen Sound System utility to control the vmix subsystem. -
vmountmount for guests -
vmsmaildmail daemon for DECnet -
vmstatReport virtual memory statistics -
vmtouchthe Virtual Memory Toucher -
vmware-vmware daemonguestd -
vmware-program for mounting HGFS shareshgfsmounter -
vmware-wrapper programm for vmware-user(1)user- suid- wrapper
vn
vo
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vol_probe filesystem type and read label and uuidid -
voldumpDump an AFS volume without using the Volume Server -
volinfoProduces detailed statistics about AFS volume headers -
volscanProduces detailed information about AFS volumes -
volserverInitializes the Volume Server component of the fs process -
volume_work with volume encryption secrets and escrow packetskey -
vomsVOMS server -
vortex-EEPROM setup and diagnostic program for the 3Com Vortex series.diag -
vosmanage AFS volumes and the VLDB -
votequorum_Votequorum Library Overviewoverview
vp
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VpbGenerate configuration files for libvpbConfigurator -
vpcdvirtual power control daemon -
vpddecodeVPD structure decoder -
vpncclient for Cisco VPN3000 Concentrator, IOS and PIX -
vpnc-client for Cisco VPN3000 Concentrator, IOS and PIXconnect -
vpnc-client for Cisco VPN3000 Concentrator, IOS and PIXdisconnect -
vpndMac OS X VPN service daemon -
vpsThe vps utility is simply a wrapper for the ps program. -
vpstreeThe vpstree utility is simply a wrapper for the pstree program.
vr
vs
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vschedmodifies scheduling parameters -
vsdbutilmanipulates the volume status DB. -
vserverThe vserver utility enables you to manage the state of vservers, including building, starting, stopping, etc. -
vserver-initializes a vserverbuild -
vserver-copy/move a virtual server.copy -
vserver-returns information about vserversinfo -
vserver-shows information about active contextsstat -
vsftpdVery Secure FTP Daemon -
vshelperuserspace reboot helper -
vsomethingexecute something for a set of vservers -
vspacemanages spaces -
vss_program for extracting file data from a file containing VSS headersstrip
vt
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vtagsets the process's filesystem tag -
vtblcNo manpage for this program, utility or function. -
vtep-utility for querying and configuring a VTEP databasectl -
vtfontcvtconvert font files for use by the video console -
vtopThe vtop utility is simply a wrapper for the top program. -
vtunVTun(Virtual Tunnel) daemon. -
vtundVTun(Virtual Tunnel) daemon.
vu
vw
vy
vz
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vzcalccalculate resource usage of a container -
vzcfgvalidatevalidate a container configuration file -
vzcptcheckshow/test CPT properties -
vzcpucheckshow information about the CPU power and utilization. -
vzctlperform various operations on an OpenVZ container -
vzdqcheckcount disk usage -
vzdqdumpdump, load user/group quotas -
vzdqloaddump, load user/group quotas -
vzeventdthe OpenVZ events daemon. -
vzfsyncperform fsync/fdatasync/fadvise on files -
vzifup-add containers' ARP records to an interfacepost -
vzlistshow various information about containers -
vzloggerA tool to read and log measurements of a wide variety of smart meters and sensors -
vzmemcheckshow information about host memory parameters -
vzmigratemigrate a container between two OpenVZ servers -
vznncrun a program connected to a socket -
vzpiddisplay the CT ID given the process ID -
vzquotamanipulate containers disk quotas -
vzsplitgenerate a sample container configuration file -
vzstatsreport OpenVZ usage statistics -
vztmpl-download/list/update OpenVZ templatesdl -
vzubcshow User Beancounters in a human-readable format