Linux

References: Man Page Install Docker Tutorial Docker Containers Can Do Too Much Your containers can do too much. Look at all the capabilities a Docker container gets by default: - SYS_ADMIN - NET_ADMIN - NET_RAW - FOWNER - SETGID - SETUID - CHOWN - AUDIT_CONTROL - AUDIT_READ - AUDIT_WRITE - BLOCK_SUSPEND - BPF - CHECKPOINT_RESTORE - DAC_READ_SEARCH - DAC_OVERRIDE - FSETID - IPC_LOCK - KILL - LEASE - LINUX_IMMUTABLE - MAC_ADMIN - MAC_OVERRIDE - MKNOD - NET_ADMIN - NET_BIND_SERVICE - NET_BROADCAST - PERFMON - SETFCAP - SETPCAP - SYS_BOOT - SYS_CHROOT - SYS_NICE - SYS_PACCT - SYS_PTRACE - SYS_RAWIO - SYS_RESOURCE - SYS_TIME - SYS_TTY_CONFIG - SYSLOG - WAKE_ALARM This should clearly be limited. Containers share functions of the host kernel, it’s how they cut down on overhead. Giving unecessary permissions violates the security principle of least privilege. So, how go about it? ...

Resources askubuntu.com redhat.com Instructions Identify partitions with the lsblk command Determine the volume group you want to extend using the vgs and vgdisplay commands Determine the logical volumes using lvs command Determine the mapping of the logical volume (/dev/[VG-NAME]/[lv name]) Extend the partition (cfdisk) Extend the physical volume: pvresize /dev/sd[your partition] Extend the logical volume :``` lvextend -r -l +100%FREE /dev/mapper/VG-NAME --lv NAME (Possibly) Extend the file system (varies by file system type): XFS: xfs_growfs /dev/mapper/VG-NAME --lv name Extend a Proxmox VM Disk In the virtual machine hardware tab, select the disk you wish to resize and click “Disk Action” then “Resize”

This guide is a quick copy/paste on how to update Fedora Lunux. Update the Latest Packages sudo dnf upgrade --refresh Download the System Update sudo dnf system-upgrade download --releasever={LATEST RELEASE} Note: releasever can be changed easily, and incremented by 2 Reboot sudo dnf system-upgrade reboot (Optional) Further Updates sudo dnf install rpmconf && sudo rpmconf -a && sudo dnf install remove-retired-packages remove-retired-packages Clean and remove duplicate packages sudo dnf repoquery --duplicates && sudo dnf remove --duplicates && sudo dnf autoremove Clean gpg keys sudo dnf install clean-rpm-gpg-pubkey sudo clean-rpm-gpg-pubkey Clean symlinks Step 1: ...

Description PCSCD serves as middleware to access a smart card using PC/SC. Install this program to Installation sudo apt install pcscd -y Enable Socket sudo systemctl enable --now pcscd.socket Make Sure It’s Working systemctl status pcscd.service