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- boot tools @tech_notes
- 0 seconds ===Delete a boot entry=== ''%%sudo efibootmgr --delete-bootnum --bootnum 0%%'' ===Links=== *[[https://www.linuxbabe.com/command-line/how-to-use-linux-efibootmgr-examples|Use Linux efibootmgr Command to Manage UEFI Boot Menu]] *[[https://www.linuxjournal.com/content/... a potential better overall experience.**// {{tag>boot ventoy grub "boot menu" tech notes technical uefi efi efibootmgr "grub-efi"}} <- tech_notes:iperf|Back ^ tech_
- 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
- PiKVM @tech_notes
- completion. -The commands will inform if a reboot is necessary. If reboot required, ''reboot'' command will reboot in root. -If message ''pikvm-update: command ... org/_update_os/|update pikvm os]] <- tech_notes:boot|Back ^ tech_notes:index|Start page ^ tech_notes:f
- IPMI Console Setup @home_server:home_server_setup:other_services
- ation file. The main computer then needs to be rebooted for this change to take effect ''sudo reboot''. ====Linux Serial Terminal Setup==== Net we ne... ill start the ttys1 serial tty service on machine boot. This service can be immediately started with ''... or systems running systemd, but still ok for Grub boot loader setup. (The client setup is based upon BMC
- 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
- fsck - file system check @home_server:home_server_setup
- tps://www.thegeekstuff.com/2016/03/forcefsck-on-reboot/ |How to Force Check Root Filesystem using fsck During Reboot]]. A summary of key commands: *The Root file sy... (The+Geek+Stuff)|To force a recheck at the next reboot]], create the file forcefsck. At the next reboot a fsck will be performed and the forcefsck file r... *''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
- 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... could corrupt a working VM) * ''sudo virsh reboot domain-name'' : To reboot (shutdown and restart) a VM of ''domain-name'' or... 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]] ... do virsh start VM_name'' to start the VM. (Also reboot, reset, shutdown, destroy) *''sudo virsh help |
- 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
- 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... ick fix caused an error so I simply removed and rebooted. ''PostUp = ip -4 address add 192.168.6.1/24 de
- Docker-Compose @docker_notes
- stemctl daemon-reload'', however I wanted to test boot performance, so a reboot is necessary anyway.) Example: This is the existi