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- boot tools @tech_notes
- {{tag>linux boot uefi ventoy secure "secure boot"}} ======boot tools====== =====list drives===== * ''df -h'' * ''sudo fdisk -l'' ... ''sudo mount /dev/sdd1 /boot/efi''\\ Install Grub boot loader: ''sudo grub-install /dev/sdd --target=x86_64-efi --efi-directory=boot/efi/''\\ ===Change boot selection time=== ''sudo... lete a boot entry=== ''%%sudo efibootmgr --delete-bootnum --bootnum 0%%'' ===Links=== *[[https://www.linuxbabe.... rnal.com/content/take-control-your-pc-uefi-secure-boot|Take Control of Your PC with UEFI Secure Boot]] *[[https://linuxconfig.org/how-to-manage-efi-
- Conky @home_server:home_server_setup:other_services
- sed_perc /}% ${color8}${fs_bar /}$color ${color0}/boot/efi:$color ${fs_used /boot/efi} / ${fs_size /boot/efi} ${alignr}${execi 9999 findmnt /boot/efi -o S... used_perc /}% ${color8}${fs_bar /}$color ${color0}boot:$color ${fs_used /boot} / ${fs_size /boot} ${fs_used_perc /boot}% ${color8}${fs_bar /boot}$... sed_perc /}% ${color8}${fs_bar /}$color ${color0}/boot/efi:$color ${fs_used /boot/efi} / ${fs_size /boot/efi}${alignr}${execi 9999 findmnt /boot/efi -o SO... sed_perc /}% ${color8}${fs_bar /}$color #${color0}boot:$color ${fs_used /boot} / ${fs_size /boot} #${fs_used_perc /boot}% ${color8}${fs_bar /boot}
- Router Miscellaneous @linux_router
- 53 {tcp, udp} Domain Name Server (DNS) bootps 67 {tcp, udp} Bootstrap Protocol Server (DHCP) bootpc 68 {tcp, udp} Bootstrap Protocol Client (DHCP) http 80 {tcp, udp, sctp} World Wide... cted since current boot *''journalctl --list-boots'' lists recorded boots. The default option for Storage is ''Storage=aut... irectory ''/var/log/journal'' is present previous boot log files are saved. Conversely if not present, then previous boot files are not saved. Check man journalctl.conf fo
- KPTree Torrent VM Setup @home_server
- s://www.tecmint.com/systemd-analyze-monitor-linux-bootup-performance/|systemd-analyze – Find System Boot-up Performance Statistics in Linux]] ---- =====... only list for service_unit *''-b n'' Only list boot n, no number or 0 for last boot and 1 for previous and 2 for 2 previous etc. *'... ake IPTables configuration permanent / restore on boot==== ++++ old tl;dr; | Reference [[http://askubunt... name> port mappings to host ==Start container at boot:== It is assumed that the container has been pre
- Router Hardware @linux_router
- e by setting the "nomodeset" option into the grub bootloader. This can be done by editing the grub bootloader during boot up, a one off solution and by making permanent by... te.net/kb/a240/how-to-set-nomodeset-into-the-grub-bootloader-debian-and-ubuntu-intel-core-i7-3770.aspx|How to set 'nomodeset' into the grub bootloader]]. At the grub menu hit the arrow key to se... with 'linux'. Hit 'F10' to proceed with modified boot. For the permanent solution basically edit etc/de
- IPMI Console Setup @home_server:home_server_setup:other_services
- to this are: -Setting up Linux to redirect main boot terminal tty interface to use the serial port -Setup the console redirection in the Grub boot loader of Linux, so the main console window is di... and start the Linux serial terminal service upon boot -BMC IPMI Client Setup (Using the BMC IPMI inte... y number used, in the above example, 1. ====Grub Bootloader Setup==== After this Linux must be setup to
- PiKVM @tech_notes
- mined by the attached computer. Normally servers boot into terminal mode (CLI = command line interface) and desktops boot into graphical mode. I often load a graphical mo... w VNC access, however I usually leave the default boot mode to terminal as my servers are headless. As... ary purpose of a KVM is full remote access during boot, a graphical user interface is not really necessa... does work. Note this does not change the default boot mode, which can be done by changing the ''isolate
- SSH Notes @home_server:home_server_setup:other_services
- t Time print("="*40, "Boot Time", "="*40) boot_time_timestamp = psutil.boot_time() bt = datetime.fromtimestamp(boot_time_timestamp) print(f"Boot Time: {bt.year}/{bt.month}/{bt.day} {bt.hour}:{bt.minute}:{bt.second}"... n_usage.percent}%") # get IO statistics since boot disk_io = psutil.disk_io_counters() print
- NFTables Configuration @linux_router
- only use TCP!</color>\\ <tab6><color blue> # bootps, port 67 and bootpc, port 68 are for DHCP on both TCP and UDP, but ... color><color #000060/#F0F0FF> udp dport { domain, bootps, bootpc, 667, 953} counter accept</color> ++ | + <colo... ce index of the interface name causes an error on boot of the nftables.service, probably because the int... ld be to have a basic nftables.service script for boot, dropping all connectivity, except local ssh port
- NFTables IP Control @linux_router
- r SSH on both TCP and UDP, but we only use TCP! # bootps, port 67 and bootpc, port 68 are for DHCP on both TCP and UDP, # b... ccept # iifname $lan udp dport { domain, bootps, bootpc, 667, 953} counter accept # al... f all the nftables journal entries since the last boot I made a couple of bash scripts to assist with ... ' : to list all the related cron jobs since last boot ''crontab'' is finicky! crontab does not necessar
- systemd Stuff @home_server:home_server_setup:other_services
- s://www.tecmint.com/systemd-analyze-monitor-linux-bootup-performance/|systemd-analyze – Find System Boot-up Performance Statistics in Linux]] =====Journa... inputs: *''sudo journalctl -b'' to see current boot journal only use ''-b -1'' to see last boot entries. *''journalctl --list-boots'' to list all available journaled boots. *''sudo journalctl -u pppoe'', use u flag to see specified uni
- KVM Setup @home_server:home_server_setup
- ince circa 2021. Just no need. I do have a dual boot on my main desk top that I default to Debian testing and can boot to Windows 11 when I need to use Windows based so... virtual machine]] *[[http://mycfg.net/articles/booting-from-a-cdrom-in-a-kvm-guest-with-libvirt.html|Booting from a cdrom in a kvm guest using libvirt]]
- Manjaro Setup Notes @home_server:home_server_setup:other_services
- sed_perc /}% ${color8}${fs_bar /}$color #${color0}boot:$color ${fs_used /boot} / ${fs_size /boot} #${fs_used_perc /boot}% ${color8}${fs_bar /boot}$color #${color0}home:$color ${fs_used /home} / ${fs_size /home} #${fs_used_perc
- fsck - file system check @home_server:home_server_setup
- *''cd /'' *''sudo touch forcefsck'' *Boot the system to a rescue file system. From the rescue file system the main boot drive may then be checked with fsck. (Further det... %--%%max-depth=1 %%--%%all -h'' *The filesystem boot file is /etc/fstab, ''sudo vim /etc/fstab''. (Be
- Wireguard VPN access from WAN to LAN @linux_router
- only use TCP!</color>\\ <tab6><color blue> # bootps, port 67 and bootpc, port 68 are for DHCP on both TCP and UDP, but ... color><color #000060/#F0F0FF> udp dport { domain, bootps, bootpc, 667, 953} counter accept</color> ++ | + <colo