wall nfs service opens port 2049 only, which doesn’t allow portmapper traffic. In these cases you can use the root mount option to discover the shares.
Microsoft published the technical specifications of its Server Message Block (SMB) protocol. This protocol is the foundation of all shares that are created in a Windows environment. Releasing these specifications led to the start of the Samba project. The goal of this project was to provide SMB services on top of other operating systems. Samba has developed into the standard for file sharing between different operating systems and is now often referred to as the Common Internet File System (CIFS).
/var/samba/student_share - read permissions for guests, read/write permissions for users in the students group. Mounted on /mnt/students_share.
public_content_t - Allows Read Only access to public files.
public_content_rw_t - Allows Read/Write access to public files.
samba_share_t - As samba doesn’t have default paths for shares, we make sure SELinux recognizes our share as a standard samba share.
[[email protected] samba]# semanage fcontext -a -t public_content_t "/var/samba/public_share(/.*)?"
[[email protected] samba]# semanage fcontext -a -t public_content_rw_t "/var/samba/public_write_share(/.*)?"
[[email protected] samba]# semanage fcontext -a -t samba_share_t "/var/samba/students_share(/.*)?"
Added user student.
Note that we don’t change any permissions on public_share, since we only need read access.
comment = Read/Write access for the students group. Read access for anyone else.
Let’s discover the shares we created on server2. When you’re prompted for a password, just hit Enter without providing a password.
students        Disk      Read/Write access for the students group. Read access for anyone else.
We’re ready to move to the next step and mount our shares.
Next, test the read/write access to the shares. The outcome should be as expected.
Note that we’ve mounted the share as root, this means the /mnt/students_share directory will only be writeable for the user root. In the next step we’ll cover how to auto mount the share at boot time.
As we’ve seen in an earlier post, the /etc/fstab file can be used to mount file systems automatically at boot time.
With the sync option we ensure that modified files are committed to the remote file system immediately instead of being placed in a write buffer.
When mounting Samba file systems through /etc/fstab, you need to consider a specific challenge: The user credentials that are needed to issue the mount. These are typically specified as mount options using username= and password=, but it is not a good idea to put these in clear text in the /etc/fstab file.
//server2/students - The remote file system we’re mounting.
/mnt_students_share - The local mount point of the share.
cifs - The remote file system type.
credentials=/root/cifs.txt - Specifies the file that contains the credentials necessary to mount the remote file system.
gid=students - We set group ownership on the files and directories to the group students.
file_mode=0664 - We set the necessary file permissions: read+write for Owner and Group, read for Others.
dir_mode=0775 - We set the necessary directory permissions: read+write+execute for Owner and Group, read+execute for Others.
0 0 - We don’t need backup support through the dump utility and we don’t want fsck to check the disk integrity during boot.
We autenticate as the user guest aganst the remote file system and we allow everyone read+write access to files and, read+write+execute permissions to directories.
For the last share, //server2/public_share, we don’t specify Linux permissions in the /etc/fstab file as this share has been set to read-only by default on the Samba server.
As an alternative to using /etc/fstab we can configure automount to mount the shares automatically. The difference is that mounts through automount are “on demand”, which ensures that no files systems are mounted when it’s not needed. This works completely in user space and no root permissions are required, contrary to mounts using the mount command.
Edit the master configuration file in /etc/auto.master where you specify the local mount point and the secondary configuration file.
Edit the secondary configuration file where you specify the subdirectory that will be created in the mount point.
The /nfs_data share on server2 was auto mounted on /nfs_data/files on server1.
In some cases we’re better off using dynamic directory names, for example when mounting home directories. The home directory of a user would be automatically mounted when that user logs in.
[[email protected] user2]# cd..
'use strict';
const command = process.argv.slice(2);
const cliArray = [];
const argv = require('yargs').argv;

const mainArgv = argv._;
console.log(mainArgv);

const reducer = module.exports;

reducer.subscribe = function (cli, callback) {
  cliArray.push(function (){
    const cliMap = cli.split(',').map(item => item.trim());
    const intersection = cliMap.filter(v => command.includes(v));
    if (intersection.length > 0) {
      callback && callback();
      return true;
    }
  })
}

reducer.filter = function (){
  cliArray.some(fn=>!!fn());
}
Porsche announced that it sold more than 20,000 Taycan electric cars in its first full-year of production.
The electric car is becoming one of the brand’s best-selling models.
Porsche Taycan in 2020
Porsche released its 2020 results today and confirmed that total deliveries were down 3% in 2020 compared to its record year in 2019.
The automaker is happy with the results, considering the hit that the auto market has taken amid the pandemic, and attributes some of that success to the Taycan.
Detlev von Platen, member of the executive board for sales and marketing at Porsche AG, commented:.
Porsche confirmed that they delivered just over 20,000 Taycan electric cars in 2020:
Taycan deliveries totalled 20,015 in 2020, despite a six-week pause in production just as the new model was ramping up, and despite many markets planning spring premieres.
That was about the original planned production capacity for the Taycan, but the automaker has been talking about ramping up production if it sees more demand.
Electrek‘s take: A strong start for the Taycan
Amid the pandemic, this is certainly a good result for Porsche.
Also, Porsche was still ramping things up for the Taycan in 2020 with the less expensive 4S version not coming until a few months into the year and the RWD version, which was only launched in China during the second half of the year.
Despite that, in some markets in Europe, the Taycan is literally becoming Porsche’s best-selling model.
Once the German automaker can ramp up these less expensive versions in more markets, I can see them ramping up deliveries of the Taycan by double-digit points in 2021.
You also have the Cross Turismo version coming that will open up the market for the Taycan.
With that and the electric Macan coming, I can see a significant part of Porsche sales being electric next year.Moving Truck Rental in Maineville, OH at H&T Services
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