Category Archives: Linux

Xnest

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Building chroots with yum

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MariaDB Quickest Quick start

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HP Envy 4504 Set-up

HP Printer setup Packages: Archlinux: cups, hplip, python2, sane Centos: cups, hplip, hplip-gui, sane Some optional dependancies may be needed. Enter: sudo systemctl enable cups sudo systemctl start cups sudo hp-setup hp-setup -i Select “Network”, and “Advanced Options -> Manual … Continue reading

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Kerberos Client

Make sure you have the pam_krb5 rpm files installed. You can check this by running the rpm -qa | grep pam command and seeing whether the pam_krb5 rpm files are listed. If they aren’t, you can typically download them in … Continue reading

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Resizing a Linux RAID

It is possible to migrate the whole array to larger drives (e.g. 250 GB to 1 TB) by replacing one by one. In the end the number of devices will be the same, the data will remain intact, and you … Continue reading

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UNIX find with dates

-atime/-ctime/-mtime the last time a files’s access time, file status and modification time, measured in days or minutes. Time interval in options -ctime, -mtime and -atime is an integer with optional sign. n: If the integer n does not have … Continue reading

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Enable local file caching for NFS share on Linux

In Linux, there is a caching filesystem called FS-Cache which enables file caching for network file systems such as NFS. FS-Cache is built into the Linux kernel 2.6.30 and higher. In order for FS-Cache to operate, it needs cache back-end … Continue reading

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SSH Tricks

Forcing either IPv4 or IPv6 This is for the scenario that you know which specific protocol works to reach a particular host. Usually good to eliminate the delay for SSH to figure out to switch IP protocols. For IPv4: ssh … Continue reading

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Remote VirtualBox

RemoteBox is a Remote VirtualBox UI. It is similar phpVirtualBox in that allows to manage VirtualBox remotely (on a potentially headless server). They differ in their requirements: RemoteBox does not require much on the server, but you need to install … Continue reading

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