Cron Format

How Cron works: <Minute> <Hour> <Day_of_the_Month> <Month_of_the_Year> <Day_of_the_Week> * * * * * * | | | | | | | | | | | +– Year (range: 1900-3000) | | | | +—- Day of the Week (range: 1-7, 1 standing for Monday) | | | +—— Month of the Year (range: 1-12) | […]

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Add Gzip to Plesk Server

Instructions Login to your Plesk server. Select the domain you wish to enable gzip for from the left hand side. Click in Apache and nginx settings: Down the bottom, add the following to the “Additional nginx directives” field: gzip on; gzip_disable "MSIE [1-6]\.(?!.*SV1)"; gzip_proxied any; gzip_types text/plain text/css application/x-javascript application/javascript text/xml application/xml application/xml+rss text/javascript image/x-icon […]

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R1Soft error Failed to backup LVM/MD Configuration

R1Soft error will resemble something like – “Failed to backup LVM/MD Configuration” with running LVM based commands from R1Soft. Usually due to an upstream vendor or repo update of the LVM binary that conflicts with the R1soft native configuration “lvm.static” command. Error: Failed backup of LVM configuration Failed to execute command ‘lvm.static pvs -o pv_fmt,pv_uuid,dev_size,pv_name,pv_mda_free,pv_mda_size,pv_all,seg_all,pvseg_all,vg_all,lv_all […]

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Error 401: Unauthorized: Access is denied due to invalid credentials

When getting an error in Windows 2008 R2, Error 401: Unauthorized: Access is denied due to invalid credentials See – https://www.codeproject.com/Answers/418802/Unauthorized-Access-is-denied-due-to-invalid-c#answer1 Specifically Solution 6 with a minor adjustment. Right click on the folder in Explorer and choose Properties. In Security tab add ‘IIS_IUSRS’ and ‘NETWORK SERVICE’ and give full control to both user. Also check […]

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Fix the Spectre on a CentOS/RHEL/Fedora/Oracle/Scientific Linux

How to Fix the Spectre on a CentOS/RHEL/Fedora/Oracle/Scientific Linux For Example, CentOS 7 Type the following yum command: # uname -r 3.10.0-693.2.2.el7.x86_64 # sudo yum update CentOS 7 output ==================================================================================================================================================================================================== Package Arch Version Repository Size ===================================================================================================================================================================================================== Installing: kernel x86_64 3.10.0-693.11.6.el7 updates 43 M kernel-devel x86_64 3.10.0-693.11.6.el7 updates 14 M Updating: iwl100-firmware noarch 39.31.5.1-57.el7 updates 152 […]

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Fix the Meltdown on a CentOS/RHEL/Fedora/Oracle/Scientific Linux

How to Fix the Meltdown on a CentOS/RHEL/Fedora/Oracle/Scientific Linux Always keep backups. So backup now to an offsite location. Note the Linux kernel version running the following command: # uname -r Fix the Meltdown on a CentOS/RHEL/Fedora/Oracle/Scientific Linux Type the following yum command: # sudo yum update You must reboot your Linux server using shutdown/reboot […]

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