Forgot to mention kernel update

Disk Storage | Linux | Scripting/Programming

MySQL permissions for LVM Snapshots

Byetzion 23/10/2008

aking LVM snapshots as a mean of backing up MySQL is rather simple, as can be described here. However, if you are into security, you would strive to grant minimal permissions for the action to the MySQL user. Per MySQL Documentation, the required privileges is “RELOAD”. That should be enough, granted on *.*, of course….

Linux

Recover non-booting Linux

Byetzion 23/07/202028/07/2020

Linux boot sequence includes many stages. Following the BIOS initialisation, the boot loader is being called (GRUB or GRUB-EFI), then GRUB does its magic, and then it loads the kernel and the init RAM FS (initramfs or initrd) to memory. Following that, the kernel is jumped to, and a set of scripts are called from…

Linux

RHEL3 Kickstart on Itanium (IA64)

Byetzion 16/06/2007

Recently I have installed several Redhat systems on IA64 platforms. Since it required only slight adjustments, and since there were two sets of systems, RHEL3 Update2 and RHEL4 Update3, I have decided to use Kickstart for both, each with his own ks.cfg file. For lack of any other explanation at the moment, I can only…

Clusters | Disk Storage | Linux

Oracle ASM and EMC PowerPath

Byetzion 28/05/2008

Setting up an Oracle ASM disks is rather simple, and the procedure can be easily obtained from here, for example. This is nice and pretty, and works well for most environments. EMC PowerPath creates meta devices which utilize the underlying paths, as mod_scsi sees them in Linux, without hiding them (unlike IBM’s RDAC, for example)….

Containers | Linux

Quickly and easily running OpenVPN in Docker

Byetzion 01/02/202301/02/2023

As part as my efforts of reducing the management overhead of multiple systems – much like the rest of the world – I am in a long process of migrating all my workload from virtual machines, each dedicated to a single or a small number of related services, to a container-based solutions. While containers are…

Linux | Scripting/Programming

mime_decode-1 FAILED: Can’t locate object method “seek” via package “File::Temp ” at /usr/lib/perl5/vendor_perl/5.8.5/MIME/Parser.pm line 816

Byetzion 06/01/2008

This is the error message I have seen in my Linux+Postfix+Amavisd-new system. Not only that, but Amavis has kept a copy of each message in its tmp directory, which reduced my /var size to nothing quite rapidly. amavis[21189]: (21189-01) (!)PRESERVING EVIDENCE in /var/amavis/tmp/amavis-200 80103T051116-21189 Doesn’t sound too good. Partial search in google has produced the…

Disk Storage | Linux | Scripting/Programming

MySQL permissions for LVM Snapshots

Byetzion 23/10/2008

aking LVM snapshots as a mean of backing up MySQL is rather simple, as can be described here. However, if you are into security, you would strive to grant minimal permissions for the action to the MySQL user. Per MySQL Documentation, the required privileges is “RELOAD”. That should be enough, granted on *.*, of course….

Linux

Recover non-booting Linux

Byetzion 23/07/202028/07/2020

Linux boot sequence includes many stages. Following the BIOS initialisation, the boot loader is being called (GRUB or GRUB-EFI), then GRUB does its magic, and then it loads the kernel and the init RAM FS (initramfs or initrd) to memory. Following that, the kernel is jumped to, and a set of scripts are called from…

Linux

RHEL3 Kickstart on Itanium (IA64)

Byetzion 16/06/2007

Recently I have installed several Redhat systems on IA64 platforms. Since it required only slight adjustments, and since there were two sets of systems, RHEL3 Update2 and RHEL4 Update3, I have decided to use Kickstart for both, each with his own ks.cfg file. For lack of any other explanation at the moment, I can only…

Clusters | Disk Storage | Linux

Oracle ASM and EMC PowerPath

Byetzion 28/05/2008

Setting up an Oracle ASM disks is rather simple, and the procedure can be easily obtained from here, for example. This is nice and pretty, and works well for most environments. EMC PowerPath creates meta devices which utilize the underlying paths, as mod_scsi sees them in Linux, without hiding them (unlike IBM’s RDAC, for example)….

Containers | Linux

Quickly and easily running OpenVPN in Docker

Byetzion 01/02/202301/02/2023

As part as my efforts of reducing the management overhead of multiple systems – much like the rest of the world – I am in a long process of migrating all my workload from virtual machines, each dedicated to a single or a small number of related services, to a container-based solutions. While containers are…

Linux | Scripting/Programming

mime_decode-1 FAILED: Can’t locate object method “seek” via package “File::Temp ” at /usr/lib/perl5/vendor_perl/5.8.5/MIME/Parser.pm line 816

Byetzion 06/01/2008

This is the error message I have seen in my Linux+Postfix+Amavisd-new system. Not only that, but Amavis has kept a copy of each message in its tmp directory, which reduced my /var size to nothing quite rapidly. amavis[21189]: (21189-01) (!)PRESERVING EVIDENCE in /var/amavis/tmp/amavis-200 80103T051116-21189 Doesn’t sound too good. Partial search in google has produced the…

Disk Storage | Linux | Scripting/Programming

MySQL permissions for LVM Snapshots

Byetzion 23/10/2008

aking LVM snapshots as a mean of backing up MySQL is rather simple, as can be described here. However, if you are into security, you would strive to grant minimal permissions for the action to the MySQL user. Per MySQL Documentation, the required privileges is “RELOAD”. That should be enough, granted on *.*, of course….

Linux

Recover non-booting Linux

Byetzion 23/07/202028/07/2020

Linux boot sequence includes many stages. Following the BIOS initialisation, the boot loader is being called (GRUB or GRUB-EFI), then GRUB does its magic, and then it loads the kernel and the init RAM FS (initramfs or initrd) to memory. Following that, the kernel is jumped to, and a set of scripts are called from…

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