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$sudo fallocate -l 16G /SWAPDISK/swapfile $ sudo chmod 600 /SWAPDISK/swapfile $ sudo mkswap /SWAPDISK/swapfile Setting up swapspace version 1, size = 16 GiB (17179865088 bytes) no label, UUID=20859f1c-acc8-43e4-806f-c8f6339b1601 $ sudo swapon /SWAPDISK/swapfile |
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sudo nano /etc/fstab |
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sudo swapon --show |
Come aggiungere un disco al proprio sistema Linux ( nel ns. caso Ubuntu), il tutto usando semplicemente la linea di comando,i passaggi sono semplici: Connettere l’unità di archiviazione Controllare che il sistema riconosca l’unità ( fdisk -l ) Creare una ( o più ) partizione al disco ( sempre con fdisk ) Formattare la partizione…
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Configuring NFS Server: Installing NFS services on your ubuntu system
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sudo nano /etc/fstab sudo apt install nfs-kernel-server sudo apt-get install nfs-kernel-server portmap nfs-common |
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sudo showmount -a |
configure mount folders and define sub nets can access to
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sudo nano /etc/exports |
/etc/export sample:
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<span style="color: #06989a;"># /etc/exports: the access control list for filesystems which may be exported</span> <span style="color: #06989a;"># to NFS clients. See exports(5).</span> <span style="color: #06989a;">#</span> <span style="color: #06989a;"># Example for NFSv2 and NFSv3:</span> <span style="color: #06989a;"># /srv/homes hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)</span> <span style="color: #06989a;">#</span> <span style="color: #06989a;"># Example for NFSv4:</span> <span style="color: #06989a;"># /srv/nfs4 gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)</span> <span style="color: #06989a;"># /srv/nfs4/homes gss/krb5i(rw,sync,no_subtree_check)</span> <span style="color: #06989a;">#</span> /home/<mymountfolder> 192.168.XXX.XXX/24(rw,sync,no_subtree_check,crossmnt,fsid=0,no_root_squash) /home/<mymountfolder> 192.168.MMM.MMM/24(rw,sync,no_subtree_check,crossmnt,fsid=0,no_root_squash) |
Verify export options
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sudo exportfs -arv |
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sudo systemctl restart nfs-kernel-server sudo service nfs restart |
Configure your MS-Windows 10 client: You can find info to configure MSWin as NFS client at this link: https://synaptica.info/2020/03/23/nfs-network-file-system/ Configure your MacOSX client:
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mkdir /Users/<yourusername>/<yourmountpoint> sudo mount -o resvport,rw,noowners -t nfs 192.168.JJJ.JJJ:/home/<mymountfolder> /Users/<yourusername>/<yourmountpoint> sudo nano /etc/fstab poi scrivi dentro 192.168.JJJ.JJJ:/home/<mymountfolder> /Users/<yourusername>/<yourmountpoint> nfs rw,nolockd,resvport,hard,bg,initr,tcp,nfc,rsize=65536,wsize=65536 sudo automount -vc |
Some older MS-Windows version doesn’t support newest TLS protocol for winhttp library, so there is an official patch for this at this link: http://download.microsoft.com/download/0/6/5/0658B1A7-6D2E-474F-BC2C-D69E5B9E9A68/MicrosoftEasyFix51044.msi The error occurred was: “Error sending data: (12175) A security error occurred.” Otherwise to test your server protocols, a vary usefull service is: https://www.ssllabs.com/ssltest/analyze.html
To force quit an application by application name in MS-Windows you can use “taskkill” command. To kill an application by app name using taskkill you can write:
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taskkill /f /t /im julius.exe |
In this example we kill our application “JuliuS” .
The evolution of KVM and qemu is constant. To increase the size of a qcow2 disk just follow the steps below: Shut down the virtual machine Resize the image with
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qemu-img resize image.qcow2 +SIZE |
where SIZE is the size (e.g. 30G for 30 gibibytes). Boot into an external live OS and resize the partition. So if you wanto to extend…
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