Trzynaste_21
0 21 adatlap michalesq
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How to disable swap space?
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swapoff /dev/volume_name/swap
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How to add swap space to /etc/fstab?
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/dev/vgname/swap swap swap 0 1
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How to display swap devices
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swapon -s // cat /proc/swaps
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How to install samba client as well as cifs and nfs utils?
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sudo yum install samba samba-client samba-common cifs-utils
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How to point samba client to samba server?
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smbclient -L <ip address of the samba server>, type password
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How to mount CISF - not persistent?
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mount -t cifs -o username=<username> //<server ip address/share_name /mnt/sambashare
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How to mount NFS - not persistent?
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mount -t nfs <server IP>:/nfsshare /mnt/nfsshare
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How to add CIFS mount to /etc/fstab?
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//<IP server>/<sharename> /mnt/sambashare cifs username=<unsername>,password=123456 0 0
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How to add NFS mount to /etc/fstab?
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<IP server>:/nfsshare /mnt/nfsshare nfs defaults 0 0
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How to extend a virtual group for LVM?
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vgextend <vgname> /dev/xvdg
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How to move content of physical volume to extents from the same virtual group?
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pvmove /dev/xvdf1
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How to remove /dev/xvdf1 from the volume group?
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vgreduce <vgname> /dev/xvdf1
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How to extend logical volume to 5G?
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lvextend -L 5G /dev/vgname/lvname
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How to extend logical volume by 5G?
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lvextend -L +5G /dev/battlestar/galactica
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How to let Kernel know about extension of logical volume (XFS partition type)?
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xfs_growfs /mnt/myvolume
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How to let Kernel know about extension of logical volume (EXT4 partition type)?
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resize2fs /mnt/myvolume
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What file systems support ACLs?
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XFS, EXT4
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Why do you need ACLs?
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ACLs give an access to files and directories for users not included in user groups
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How to check extended rights for the file?
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getfacl file1
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How to set extended rights for the file to the user?
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setfacl -m u:<username>: rw file1
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How to set extended rights for the file to the group?
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setfacl -m g:<groupname>: rw file1
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